1 00:00:00,000 --> 00:00:10,792 2 00:00:10,792 --> 00:00:11,750 DAVID MALAN: B眉t眉n sa臒. 3 00:00:11,750 --> 00:00:13,630 Bu CS50 edir. 4 00:00:13,630 --> 00:00:15,950 Bu h蓹ft蓹 yeddi ba艧lan臒谋c. 5 00:00:15,950 --> 00:00:19,120 Bel蓹 ki, bu g眉n, b蓹lk蓹 艧眉k眉r, Biz ke莽id ba艧lay谋r 6 00:00:19,120 --> 00:00:21,630 a艧a臒谋 s蓹viyy蓹d蓹 C proqramla艧d谋rma d眉nya 7 00:00:21,630 --> 00:00:24,290 y眉ks蓹k s蓹viyy蓹d蓹 web proqramla艧d谋rma d眉nya. 8 00:00:24,290 --> 00:00:28,060 V蓹 ki, biz bir n蓹z蓹r laz谋md谋r internet i艧l蓹ri d蓹qiq nec蓹, 9 00:00:28,060 --> 00:00:31,920 n蓹 bu ma艧谋nlar v蓹 bu 陌nternet 陌ndi il 眉莽眉n istifad蓹 etdik ki, 10 00:00:31,920 --> 00:00:35,090 h蓹qiq蓹t蓹n do臒ru ba艧l谋q alt谋nda n蓹 nec蓹 ki, b眉t眉n daha yax艧谋 anla艧ma 11 00:00:35,090 --> 00:00:37,660 nec蓹 Siz i艧l蓹yir, v蓹 Bu sizin 眉莽眉n i艧. 12 00:00:37,660 --> 00:00:41,480 >> Sonuna do臒ru, niy蓹 biz bir etmirl蓹r TV 艧ou bir klip ilk baxmaq 13 00:00:41,480 --> 00:00:45,680 Biz蓹 a莽谋lm谋艧 olacaq ki adlanan Numb3rs, internet i艧l蓹ri d蓹qiq nec蓹. 14 00:00:45,680 --> 00:00:46,964 15 00:00:46,964 --> 00:00:47,630 [Video playback] 16 00:00:47,630 --> 00:00:49,858 -Bu Bir 32-bit IPP4 眉nvan var. 17 00:00:49,858 --> 00:00:50,794 IP. 18 00:00:50,794 --> 00:00:51,730 Bu internet var. 19 00:00:51,730 --> 00:00:52,640 >> -脰z蓹l 艦蓹b蓹k蓹. 20 00:00:52,640 --> 00:00:53,865 Bu Amita x眉susi 艧蓹b蓹k蓹 var. 21 00:00:53,865 --> 00:01:06,635 22 00:01:06,635 --> 00:01:08,120 Oh, o q蓹d蓹r g枚z蓹l. 23 00:01:08,120 --> 00:01:09,605 24 00:01:09,605 --> 00:01:11,120 >> -Oh, Charlie. 25 00:01:11,120 --> 00:01:12,640 >> -Bu Bir g眉zg眉 IP 眉nvan谋 var. 26 00:01:12,640 --> 00:01:15,672 O, biz蓹 izl蓹m蓹y蓹 imkan n蓹 o, real vaxt bunu edir. 27 00:01:15,672 --> 00:01:16,505 [END video playback] 28 00:01:16,505 --> 00:01:19,570 DAVID MALAN: Bel蓹 bir b眉t眉n var ki, TV 艧ou il蓹 s蓹hv var. 29 00:01:19,570 --> 00:01:23,250 Bel蓹 ki, m蓹hz ayr谋 tease ed蓹k ilk bel蓹 艧ey biri 30 00:01:23,250 --> 00:01:25,210 biz kesmek deyil bil蓹rsiniz 蓹g蓹r bax谋n onun 蓹traf谋nda a臒l谋m谋z. 31 00:01:25,210 --> 00:01:28,110 Son 莽蓹r莽iv蓹sind蓹 bel蓹 ki, 艧ou film, 32 00:01:28,110 --> 00:01:30,360 bu bir burada olan Bu ki, g枚r眉n眉r 33 00:01:30,360 --> 00:01:33,300 B蓹zi hacker istifad蓹 n蓹 B蓹zi sistemi almaq 眉莽眉n. 34 00:01:33,300 --> 00:01:33,875 >> Amma he莽. 35 00:01:33,875 --> 00:01:36,030 Bu zoom 蓹g蓹r m蓹nb蓹 kodu olan 36 00:01:36,030 --> 00:01:40,210 dil Obyektiv C adlan谋r olan iPhone apps, iPad apps, v蓹 Mac 37 00:01:40,210 --> 00:01:42,060 OS apps yaz谋l谋r, Bu ki, g枚r眉rs眉n眉z 38 00:01:42,060 --> 00:01:45,400 r蓹sm proqram谋 bir n枚v 眉莽眉n ki, bir d蓹yi艧蓹n kimi bir karanda艧 var. 39 00:01:45,400 --> 00:01:47,800 40 00:01:47,800 --> 00:01:51,880 >> Bel蓹 蓹lav蓹, siz bil蓹r Burada bu 眉nvan谋 fark etdik. 41 00:01:51,880 --> 00:01:53,330 陌ndi, bu s蓹hvdir. 42 00:01:53,330 --> 00:01:56,740 Bu, y蓹qin ki, q蓹sd蓹n se莽ilmi艧 etibars谋z 眉nvan谋 olma臒a bel蓹 ki, 43 00:01:56,740 --> 00:02:00,010 h蓹qiq蓹t蓹n bir yerd蓹 s蓹b蓹b deyil Bir TV Viewer h蓹qiq蓹t蓹n s蓹f蓹rl蓹r. 44 00:02:00,010 --> 00:02:02,620 Amma burada bu say谋, bir 艧ey bir 艧ey dot 45 00:02:02,620 --> 00:02:05,799 bir 艧ey dot dot bir 艧ey var n蓹 眉mumiyy蓹tl蓹 IP 眉nvan kimi tan谋n谋r. 46 00:02:05,799 --> 00:02:07,840 V蓹 bu, h蓹qiq蓹t蓹n bir yax艧谋 daha bu m枚vzuya segue 47 00:02:07,840 --> 00:02:10,930 眉mumiyy蓹tl蓹, kimi tan谋nan IP, internet protokol. 48 00:02:10,930 --> 00:02:14,210 Bel蓹likl蓹, siz 蓹n az谋 y蓹qin ki, var 蓹vv蓹l bu s枚z e艧itdim. 49 00:02:14,210 --> 00:02:18,980 Lakin IP, v蓹 ya internet n蓹 Bu g眉n siz protokol anlamaq kimi? 50 00:02:18,980 --> 00:02:21,376 51 00:02:21,376 --> 00:02:23,625 Biz 眉莽眉n xahi艧 蓹g蓹r bahis var 蓹ll蓹ri show, 蓹n 52 00:02:23,625 --> 00:02:26,880 y蓹qin ki, dediyim s枚zl蓹ri 蓹vv蓹l IP 眉nvan. 53 00:02:26,880 --> 00:02:27,955 Bel蓹likl蓹, siz n蓹 dem蓹k idi? 54 00:02:27,955 --> 00:02:29,578 55 00:02:29,578 --> 00:02:30,779 >> Auditoriya: [I艧itilemez]? 56 00:02:30,779 --> 00:02:31,820 DAVID MALAN: N蓹 olub? 57 00:02:31,820 --> 00:02:33,170 Auditoriya: [I艧itilemez]? 58 00:02:33,170 --> 00:02:33,455 DAVID MALAN: Bir daha. 59 00:02:33,455 --> 00:02:34,840 Auditoriya: Komp眉ter 脺nvan. 60 00:02:34,840 --> 00:02:35,950 DAVID MALAN: The Komp眉ter 眉nvan谋. 61 00:02:35,950 --> 00:02:36,949 Bel蓹 ki, do臒ru deyil. 62 00:02:36,949 --> 00:02:39,660 H蓹r 莽谋x谋r ki, internet komp眉ter, 63 00:02:39,660 --> 00:02:42,940 v蓹 bu g眉n, h蓹r telefonu Sizin S谋rt cib v蓹 tablet, 64 00:02:42,940 --> 00:02:45,880 bir IP 眉nvan谋, internet var protokol 眉nvan谋, olan 65 00:02:45,880 --> 00:02:49,379 m眉蓹yy蓹n bir unikal 眉nvan谋 Bu b眉t眉n internet boyu. 66 00:02:49,379 --> 00:02:51,920 陌ndi ki, a臒 bir az var D眉nya h蓹qiq蓹t蓹n var, 莽眉nki yalan 67 00:02:51,920 --> 00:02:53,240 IP 眉nvanlar谋n谋 h蓹yata 莽al谋艧谋r. 68 00:02:53,240 --> 00:02:55,900 >> Bel蓹likl蓹, biz istifad蓹 a莽谋lm谋艧 etdik 艦蓹xsi IP 眉nvanlar. 69 00:02:55,900 --> 00:02:57,160 Amma bir an ki, daha 莽ox. 70 00:02:57,160 --> 00:03:00,731 Amma bir IP 眉nvan谋 hesab ed蓹 bil蓹r Sizin po莽t xidm蓹ti k眉莽蓹 kimi 71 00:03:00,731 --> 00:03:01,230 眉nvan谋. 72 00:03:01,230 --> 00:03:04,160 Biz Maxwell n眉mun蓹 istifad蓹 etdik Dvorkin, CS bina, etm蓹mi艧d蓹n 蓹vv蓹l 73 00:03:04,160 --> 00:03:07,920 33 Oxford Street Cambridge, K眉tl蓹vi, 02138, AB艦. 74 00:03:07,920 --> 00:03:10,400 Ki, d眉nyada unikal 眉nvan谋. 75 00:03:10,400 --> 00:03:12,547 >> Eynil蓹 komp眉ter yoxdur unikal 眉nvanlar谋 var. 76 00:03:12,547 --> 00:03:14,380 Onlar yaln谋z ba艧 bir az f蓹rqlidir baxmaq 77 00:03:14,380 --> 00:03:17,219 bir s谋ra bir s谋ra n枚qt蓹 n枚qt蓹 bir s谋ra bir s谋ra n枚qt蓹. 78 00:03:17,219 --> 00:03:19,760 V蓹 h蓹r k蓹s, h蓹qiq蓹t蓹n, bilir n蓹 n枚mr蓹l蓹ri etibarl谋 s谋ra 79 00:03:19,760 --> 00:03:21,105 bu hashes h蓹r 眉莽眉n? 80 00:03:21,105 --> 00:03:21,604 B蓹li. 81 00:03:21,604 --> 00:03:23,045 >> Auditoriya: 255 0? 82 00:03:23,045 --> 00:03:23,920 DAVID MALAN: Exactly. 83 00:03:23,920 --> 00:03:25,450 255 0. 84 00:03:25,450 --> 00:03:28,360 V蓹 h蓹tta 蓹g蓹r bilmirdim ki, indi bir n蓹tic蓹 莽谋xarmaq 85 00:03:28,360 --> 00:03:31,130 ne莽蓹 bit t蓹msil etm蓹k 眉莽眉n istifad蓹 olunur sonra bu 蓹d蓹d h蓹r? 86 00:03:31,130 --> 00:03:32,232 87 00:03:32,232 --> 00:03:34,440 S蓹kkiz y蓹qin 莽眉nki Siz arxalana bil蓹r 蓹n y眉ks蓹k 88 00:03:34,440 --> 00:03:36,720 255 ki, 8-bit d蓹y蓹ri var. 89 00:03:36,720 --> 00:03:38,980 Bel蓹 ki, c蓹mi bir IP 眉nvan谋 32-bit edir. 90 00:03:38,980 --> 00:03:41,310 Bu q蓹d蓹r s眉r蓹tli forwarding riyazi ba臒lanmas谋, 91 00:03:41,310 --> 00:03:43,900 ne莽蓹 m眉mk眉n IP 眉nvanlar sonra d眉nya var? 92 00:03:43,900 --> 00:03:46,990 93 00:03:46,990 --> 00:03:50,100 >> Bel蓹 ki, 8 plus 8 plus 8 var plus 8, bel蓹 ki, 32 bit var. 94 00:03:50,100 --> 00:03:52,490 V蓹 biz h蓹mi艧蓹 bildirib ki, sonra 32 2 t蓹xmin蓹n edir? 95 00:03:52,490 --> 00:03:53,940 96 00:03:53,940 --> 00:03:54,440 OK. 97 00:03:54,440 --> 00:03:55,273 M蓹n bu sah蓹 laz谋md谋r. 98 00:03:55,273 --> 00:03:55,864 D枚rd milyard. 99 00:03:55,864 --> 00:03:58,780 V蓹 biz h蓹ft蓹 ki, haqq谋nda s枚hb蓹t biz telefon kitab haqq谋nda s枚hb蓹t zaman s谋f谋r 100 00:03:58,780 --> 00:04:00,170 pages crazy n枚mr蓹l蓹ri il蓹. 101 00:04:00,170 --> 00:04:03,450 Amma bu sort var ki, IP m蓹hdud sayda 眉nvanlan谋r. 102 00:04:03,450 --> 00:04:05,740 V蓹 baxmayaraq d枚rd milyard bir 莽ox kimi g枚r眉n蓹 bil蓹r, 103 00:04:05,740 --> 00:04:07,770 biz insanlar olmu艧dur bir ne莽蓹 istehlak 104 00:04:07,770 --> 00:04:10,350 Onlar谋n bizim server b眉t眉n v蓹 cihazlar谋 v蓹 s. 105 00:04:10,350 --> 00:04:12,170 >> Bel蓹 ki, bu h蓹qiq蓹t蓹n bir problem olur. 106 00:04:12,170 --> 00:04:16,500 陌ndi, bir olmal谋d谋r 莽al谋艧谋r n蓹 IP olan arxas谋nda sxemi. 107 00:04:16,500 --> 00:04:18,560 M蓹s蓹l蓹n, bir 莽ox Harvard komp眉terl蓹r 108 00:04:18,560 --> 00:04:21,810 ba艧lamaq unikal 眉nvanlar谋 Bu iki d蓹y蓹rl蓹rd蓹n biri il蓹. 109 00:04:21,810 --> 00:04:23,560 M陌T, eyni, bir prefiks var. 110 00:04:23,560 --> 00:04:26,889 V蓹 艧irk蓹tl蓹rinin v蓹 universitetl蓹rinin bir 莽ox 枚z unikal prefiks var. 111 00:04:26,889 --> 00:04:29,680 V蓹 bizim ev 眉莽眉n biz蓹 sonra 蓹n 莽ox internet 蓹laq蓹l蓹ri v蓹 kimi, 112 00:04:29,680 --> 00:04:33,575 b蓹zi prefiks ki, Comcast b枚l眉艧m蓹k v蓹 ya kimi kims蓹 malik olur. 113 00:04:33,575 --> 00:04:36,640 Bu dem蓹k deyil ki, 蓹g蓹r , kampus 蓹n komp眉ter baxd谋 114 00:04:36,640 --> 00:04:40,070 onlar y蓹qin ki, bir IP istiyorum bu kimi g枚r眉n眉r ki 眉nvan谋. 115 00:04:40,070 --> 00:04:43,180 >> 陌ndi siz d蓹 b蓹z蓹n g枚r蓹 bil蓹rsiniz bir IP 眉nvan谋 bu kimi ba艧lay谋r. 116 00:04:43,180 --> 00:04:46,150 茝slind蓹, siz h蓹r hans谋 bir b枚y眉y眉b evd蓹 internet il蓹, 117 00:04:46,150 --> 00:04:49,270 v蓹 kifay蓹t q蓹d蓹r he莽 idi 蓹traf谋nda soxmaq texniki maraql谋 118 00:04:49,270 --> 00:04:51,800 脰z komp眉ter parametrl蓹ri, y蓹qin ki, yerine 119 00:04:51,800 --> 00:04:56,990 daha 莽ox kimi g枚r眉n眉r ki, bir 眉nvan谋 g枚rd眉m 10, v蓹 ya 172.6 il蓹 ba艧lad谋 ki, bu, 120 00:04:56,990 --> 00:05:00,480 192,168 v蓹 ya onun bir variant v蓹 ya. 121 00:05:00,480 --> 00:05:04,025 >> V蓹 yaln谋z d眉nyada o dem蓹kdir ki, 蓹d蓹d b眉t枚v bir d蓹st蓹 k蓹nara m眉蓹yy蓹n edilir 122 00:05:04,025 --> 00:05:06,400 dem蓹kdir ki, x眉susi olmas谋 Siz ev onlar谋 istifad蓹 ed蓹 bil蓹rsiniz 123 00:05:06,400 --> 00:05:08,941 h蓹tta onlar谋 istifad蓹 ed蓹 bil蓹rsiniz kampus v蓹 艧irk蓹t daxilind蓹, 124 00:05:08,941 --> 00:05:10,970 ancaq onlar谋 istifad蓹 ed蓹 bilm蓹z b枚y眉k internet. 125 00:05:10,970 --> 00:05:13,320 >> V蓹 bel蓹 ki, bu x眉susi IP h蓹ll olmu艧dur 126 00:05:13,320 --> 00:05:16,990 蓹min edilm蓹si istiqam蓹tind蓹 蓹n az谋 bel蓹 b眉t眉n d眉nya narahatd谋r q蓹d蓹r, 127 00:05:16,990 --> 00:05:18,890 biz bir 莽ox IP 眉nvanlar谋n谋 istifad蓹 edirik. 128 00:05:18,890 --> 00:05:22,840 Amma 蓹n az谋, biz, bizim 枚z kampus, 莽ox IP kimi olduqca 莽ox var 129 00:05:22,840 --> 00:05:23,590 ist蓹diyimiz kimi. 130 00:05:23,590 --> 00:05:24,410 Amma kimin umurunda? 131 00:05:24,410 --> 00:05:28,500 Bu b眉t眉n aktuall谋臒谋 n蓹dir internet faktiki istifad蓹 眉莽眉n nec蓹? 132 00:05:28,500 --> 00:05:31,450 >> Yax艧谋, bir n蓹z蓹r ed蓹k b蓹lk蓹 burada sad蓹 bir 艧蓹kil. 133 00:05:31,450 --> 00:05:33,550 H蓹m m蓹ni ed蓹k ekranda bu q蓹d蓹r. 134 00:05:33,550 --> 00:05:36,050 V蓹 burada m蓹nim yaz谋 ba臒谋艧la. 135 00:05:36,050 --> 00:05:39,500 Amma biz d眉艧眉nm蓹diyimiz kimi, 蓹g蓹r burada bu ki莽ik laptop olan 136 00:05:39,500 --> 00:05:41,830 yerd蓹 kampus, Bu g眉n Wi-Fi var. 137 00:05:41,830 --> 00:05:44,180 >> Yesteryear v蓹 蓹g蓹r Lakin do臒ru adapter tapmaq, 138 00:05:44,180 --> 00:05:47,420 bir ethernet kabel ola bil蓹r olan eyni bildirin 139 00:05:47,420 --> 00:05:49,130 Siz cihaz bir n枚v qo艧ulmaq. 140 00:05:49,130 --> 00:05:51,090 V蓹 bu z蓹ng ed蓹 bil蓹rsiniz h蓹r hans谋 bir say谋. 141 00:05:51,090 --> 00:05:55,930 Amma M蓹n ir蓹li getm蓹k v蓹 z蓹ng etm蓹k 眉莽眉n gedir蓹m, 陌ndi, nec蓹 bir giri艧 n枚qt蓹si haqq谋nda? 142 00:05:55,930 --> 00:05:57,690 >> Bel蓹 ki, bu m蓹nim laptop edir. 143 00:05:57,690 --> 00:06:01,130 Bu m蓹nim AP, v蓹 ya giri艧 n枚qt蓹si, v蓹 bu, b蓹zi simsiz cihaz, 144 00:06:01,130 --> 00:06:04,400 f蓹rqli olaraq olanlar Harvard b眉t眉n tavan 眉z蓹rind蓹 var 145 00:06:04,400 --> 00:06:07,420 v蓹 kampus 蓹traf谋nda divarlar谋 yan谋b-s枚n蓹n i艧谋qlar var ki, 146 00:06:07,420 --> 00:06:10,930 v蓹 n蓹 sizin noutbuk ki kabelsiz dan谋艧maq 眉莽眉n istifad蓹 147 00:06:10,930 --> 00:06:12,160 艧蓹b蓹k蓹 qalan. 148 00:06:12,160 --> 00:06:14,880 >> Bel蓹 ki, el蓹 bu laptop dan谋艧谋r divar 艧ey 眉莽眉n, 149 00:06:14,880 --> 00:06:16,540 yemekhane, v蓹 ya ba艧qa yerd蓹. 150 00:06:16,540 --> 00:06:21,410 陌ndi is蓹, giri艧 n枚qt蓹sidir kampus ba艧qa bir 艧ey ba臒l谋. 151 00:06:21,410 --> 00:06:24,810 V蓹 y蓹qin ki, bir 艧ey var bir ke莽id kimi tan谋nan. 152 00:06:24,810 --> 00:06:27,690 V蓹 onlar 莽ox maraql谋 baxmaq yaln谋z bu qutusu diaqramlardan daha. 153 00:06:27,690 --> 00:06:29,760 >> Amma el蓹 ki, 艧ey bir ke莽id ba臒l谋d谋r. 154 00:06:29,760 --> 00:06:31,900 V蓹 枚z n枚vb蓹sind蓹, birt蓹h蓹r ki, ke莽id ba臒l谋d谋r 155 00:06:31,900 --> 00:06:35,890 y蓹qin ki, bir var ki, bir cihaz b枚y眉k bit, bir router 莽a臒谋r谋b. 156 00:06:35,890 --> 00:06:37,930 V蓹 sonra, eyni zamanda, Harvard ba臒l谋d谋r 157 00:06:37,930 --> 00:06:41,210 b眉t眉n internet olan Biz burada bu bulud kimi 莽蓹km蓹k laz谋md谋r 158 00:06:41,210 --> 00:06:43,850 teller bir s谋ra vasit蓹sil蓹 v蓹 ya simsiz texnologiyas谋. 159 00:06:43,850 --> 00:06:46,670 >> Bel蓹 aras谋nda add谋mlar bir 莽ox var M蓹n蓹 v蓹 d眉nyan谋n qalan. 160 00:06:46,670 --> 00:06:49,620 V蓹 h蓹qiq蓹t蓹n, h蓹tta 蓹rzind蓹 Burada bu 艧蓹kil, 161 00:06:49,620 --> 00:06:52,634 b蓹zi dig蓹r server var v蓹 ya xidm蓹tl蓹ri c蓹lb. 162 00:06:52,634 --> 00:06:54,800 M蓹n yaln谋z 莽蓹km蓹k 眉莽眉n gedir蓹m Bu q蓹d蓹r m眉c蓹rr蓹d 163 00:06:54,800 --> 00:06:57,050 yaln谋z biz var ki, Bizd蓹n 蓹vv蓹l acronyms. 164 00:06:57,050 --> 00:06:57,993 >> Bir DHCP adlan谋r. 165 00:06:57,993 --> 00:06:59,330 166 00:06:59,330 --> 00:07:03,440 V蓹 ba艧qa bir, bir az daha Maraql谋d谋r, bu g眉n 眉莽眉n DNS adlan谋r. 167 00:07:03,440 --> 00:07:09,160 Bel蓹 ki, bu el蓹 ki, server m蓹nim komp眉ter 眉莽眉n 蓹l莽atan h蓹m莽inin. 168 00:07:09,160 --> 00:07:10,910 Bel蓹 ki, indi tease bildirin jargon ayr谋 bir bit. 169 00:07:10,910 --> 00:07:13,410 Bel蓹 ki, giri艧 n枚qt蓹sidir yaln谋z bu simsiz cihaz 170 00:07:13,410 --> 00:07:16,079 tez-tez antenalar谋 il蓹 h蓹qiq蓹t蓹n Bir kabelsiz dan谋艧aq. 171 00:07:16,079 --> 00:07:17,870 Evd蓹, siz z蓹ng bil蓹r bu bir ev router. 172 00:07:17,870 --> 00:07:21,550 Bu, Linksys, v蓹 ya Apple t蓹r蓹find蓹n edil蓹 bil蓹r D-Link, v蓹 ya 艧irk蓹tl蓹rin h蓹r hans谋 bir say谋 v蓹 ya. 173 00:07:21,550 --> 00:07:23,930 O, 枚z n枚vb蓹sind蓹, ba臒l谋d谋r bir n枚v bir ke莽id. 174 00:07:23,930 --> 00:07:28,287 V蓹 ya geri ev, Wi-Fi n蓹 cihaz v蓹 y蓹qin ki yerin蓹 ba臒l谋? 175 00:07:28,287 --> 00:07:30,370 Siz y蓹qin ki, 莽眉nki B眉t眉n bu texnika. 176 00:07:30,370 --> 00:07:31,900 177 00:07:31,900 --> 00:07:32,400 B蓹li. 178 00:07:32,400 --> 00:07:36,379 Ev蓹 kabel modem v蓹 ya DSL modem Siz Verizon, v蓹 ya Comcast var ki, 179 00:07:36,379 --> 00:07:37,420 bu da艧谋y谋c谋lar谋n谋n v蓹 ya bir. 180 00:07:37,420 --> 00:07:41,520 Bel蓹 ki, bu m眉r蓹kk蓹blik b眉t眉n hesab Bir universitet d蓹st蓹k v蓹 ya h蓹qiq蓹t蓹n 181 00:07:41,520 --> 00:07:42,920 Comcast kimi bir i艧. 182 00:07:42,920 --> 00:07:44,690 V蓹 h蓹qiq蓹t蓹n, stuff ki, ev var 183 00:07:44,690 --> 00:07:46,800 bu t蓹r蓹find蓹 y蓹qin ki Hasar谋n plus b蓹lk蓹 184 00:07:46,800 --> 00:07:50,380 Bu ev bir-bir route-- Bu kabel modem v蓹 ya DSL var 185 00:07:50,380 --> 00:07:51,720 onlar t蓹min ed蓹 bil蓹r modeml蓹r. 186 00:07:51,720 --> 00:07:55,650 >> Bel蓹 ki, bir ke莽id il蓹 bir cihaz bu data fi艧li b眉t眉n d蓹st蓹. 187 00:07:55,650 --> 00:07:58,940 茝slind蓹, siz x蓹b蓹r Xat谋rladaq ki, 蓹g蓹r Hesabatda biz b枚y眉k ekranda ifa 188 00:07:58,940 --> 00:08:01,930 bir ne莽蓹 h蓹ft蓹 蓹vv蓹l oldu臒u biz shell 艧ok s枚hb蓹t, 189 00:08:01,930 --> 00:08:03,270 bu nec蓹 pis? 190 00:08:03,270 --> 00:08:05,850 V蓹 bu var idi kabell蓹r foto艧蓹kill蓹r, v蓹 Be艧ta艧, 191 00:08:05,850 --> 00:08:07,569 v蓹 texniki baxmaq 艧eyl蓹r? 192 00:08:07,569 --> 00:08:10,360 O yaln谋z lal a莽arlar谋 idi ki, yaln谋z internet komp眉ter birl蓹艧dirir 193 00:08:10,360 --> 00:08:12,810 Onlara daxil kabell蓹r sayede t蓹r蓹find蓹n. 194 00:08:12,810 --> 00:08:14,140 >> Bel蓹 ki, b眉t眉n ke莽id edir. 195 00:08:14,140 --> 00:08:16,363 陌ndi, bu cihazlar almaq az daha maraql谋. 196 00:08:16,363 --> 00:08:16,863 DHCP. 197 00:08:16,863 --> 00:08:17,846 198 00:08:17,846 --> 00:08:20,470 Siz 蓹traf谋nda d眉rt眉lm蓹k varsa sizin komp眉ter evd蓹 v蓹 ya h蓹tta kampus, 199 00:08:20,470 --> 00:08:21,845 Bu k谋saltma g枚rm眉艧蓹m bil蓹r. 200 00:08:21,845 --> 00:08:24,480 H蓹r bir DHCP server n蓹 bilir? 201 00:08:24,480 --> 00:08:25,560 202 00:08:25,560 --> 00:08:27,360 Dynamic host konfiqurasiya protokolu? 203 00:08:27,360 --> 00:08:28,324 204 00:08:28,324 --> 00:08:30,490 艦ey deyil c眉r h蓹qiq蓹t蓹n yazmaq laz谋md谋r. 205 00:08:30,490 --> 00:08:30,990 DHCP. 206 00:08:30,990 --> 00:08:32,480 207 00:08:32,480 --> 00:08:33,891 h蓹r k蓹s b眉t眉n? 208 00:08:33,891 --> 00:08:34,390 B眉t眉n h眉quqlar. 209 00:08:34,390 --> 00:08:35,520 Bel蓹 ki, hekay蓹 geri bildirin. 210 00:08:35,520 --> 00:08:39,210 茝l burada hekay蓹 ya臒aca臒谋 茝g蓹r m蓹nim bir unikal 眉nvan谋 olan 211 00:08:39,210 --> 00:08:42,909 D眉nyada, bir IP 眉nvan谋, oldu臒u gelir? 212 00:08:42,909 --> 00:08:44,640 Yesteryear, zaman Siz kampus var 213 00:08:44,640 --> 00:08:47,790 Siz, h蓹qiq蓹t蓹n, kims蓹 xahi艧 var idi Harvard, m蓹nim IP 眉nvan谋 n蓹 olmal谋d谋r. 214 00:08:47,790 --> 00:08:49,873 V蓹 枚z眉n眉z ki Sizin komp眉ter yaz谋n. 215 00:08:49,873 --> 00:08:53,770 Lakin son zamanlarda texnologiyalar谋 , dinamik imkan verir ki, m枚vcud 216 00:08:53,770 --> 00:08:58,460 DHCP, sad蓹c蓹 zaman IP 眉nvan谋 almaq kabelsiz kampus plug 217 00:08:58,460 --> 00:08:59,220 v蓹 ya m蓹ftil il蓹. 218 00:08:59,220 --> 00:09:03,800 Bel蓹 ki, DHCP server yaln谋z bir server edir ki, komp眉ter unikal IP verir 219 00:09:03,800 --> 00:09:06,349 眉nvan谋, bir q蓹d蓹r t蓹sad眉fi v蓹 ya bir alqoritm vasit蓹sil蓹. 220 00:09:06,349 --> 00:09:08,390 Amma 蓹g蓹r geri edir蓹m bir ne莽蓹 h蓹ft蓹 v蓹 ya bir ne莽蓹 il, 221 00:09:08,390 --> 00:09:10,670 ilk qeydiyyatdan zaman kampus komp眉ter, 222 00:09:10,670 --> 00:09:13,957 Siz Harvard izah edildi, icaz蓹 m蓹n蓹 bir IP 眉nvan谋 verm蓹k. 223 00:09:13,957 --> 00:09:15,915 陌ndi almaq 眉莽眉n ba艧lamaq DNS az daha maraql谋. 224 00:09:15,915 --> 00:09:17,050 225 00:09:17,050 --> 00:09:18,940 Domain ad谋 sistemi. 226 00:09:18,940 --> 00:09:21,970 H蓹r k蓹s bir z蓹rb蓹 almaq ist蓹yir bu 艧ey burada n蓹? 227 00:09:21,970 --> 00:09:26,195 >> Bir v蓹 ya daha 莽ox server ki, ki, bir olduqca sad蓹 tap艧谋r谋q yerin蓹 228 00:09:26,195 --> 00:09:26,945 蓹h蓹miyy蓹tli c眉r. 229 00:09:26,945 --> 00:09:30,150 230 00:09:30,150 --> 00:09:31,130 B蓹li. 231 00:09:31,130 --> 00:09:33,810 >> Auditoriya: [I艧itilemez] URL'leri 莽evirir. 232 00:09:33,810 --> 00:09:34,560 DAVID MALAN: B蓹li. 233 00:09:34,560 --> 00:09:38,970 Bu IP URL t蓹rc眉m蓹 眉nvanlar谋 v蓹 蓹ksin蓹. 234 00:09:38,970 --> 00:09:41,310 Ki, b眉t眉n sonra, d眉艧眉n眉n Siz veb getm蓹k zaman, 235 00:09:41,310 --> 00:09:46,200 Siz facebook.com kimi bir 艧ey yaz谋n, v蓹 ya google.com, v蓹 ya harvard.edu, 236 00:09:46,200 --> 00:09:50,620 Siz 蓹lb蓹tt蓹 ki, 莽ap he莽 vaxt 莽ox g眉man ki, say谋sal bir IP 眉nvan谋. 237 00:09:50,620 --> 00:09:52,490 >> V蓹 s蓹b蓹bi hesab ed蓹 bil蓹r. 238 00:09:52,490 --> 00:09:54,910 Geri g眉n, h蓹tta 陌ndi m眉蓹yy蓹n d蓹r蓹c蓹d蓹, 239 00:09:54,910 --> 00:09:58,030 Bir telefon zaman bir 艧irk蓹t z蓹ng, 240 00:09:58,030 --> 00:10:02,275 Onlar, h蓹qiq蓹t蓹n, 枚zl蓹ri almaq 眉莽眉n a臒谋r c蓹hd h蓹qiq蓹t蓹n s枚zl蓹ri var ki, 800 n枚mr蓹si 241 00:10:02,275 --> 00:10:06,140 bu, 1-800-toplamaq v蓹 ya bir 艧ey kimi ki, kimi yaddaqalan, bel蓹 ki, 242 00:10:06,140 --> 00:10:10,692 insanlar n蓹yi yadda yoxdur C-O-L-L-E-C-T h蓹qiq蓹t蓹n geni艧l蓹ndirir. 243 00:10:10,692 --> 00:10:12,400 Bel蓹likl蓹, biz bu g枚rd眉m Ke莽mi艧d蓹 Heuristic. 244 00:10:12,400 --> 00:10:15,720 V蓹 h蓹qiq蓹t蓹n, n蓹 IP 眉nvanlar var v蓹 biz host adlar谋 z蓹ng ed蓹c蓹yik n蓹 245 00:10:15,720 --> 00:10:18,120 v蓹 ya tam ixtisasl谋 domen adlar谋 bizim 眉莽眉n. 246 00:10:18,120 --> 00:10:22,610 Bu 眉nvan serverl蓹r imkan verir s枚zl蓹ri 蓹v蓹zin蓹 n枚mr蓹l蓹r. 247 00:10:22,610 --> 00:10:24,560 Bel蓹 ki, nec蓹 h蓹qiq蓹t蓹n biz n蓹 Bu d枚n眉艧眉m g枚r眉r眉k. 248 00:10:24,560 --> 00:10:26,393 M蓹n ir蓹li getm蓹k 眉莽眉n gedir蓹m v蓹 bir proqram a莽maq. 249 00:10:26,393 --> 00:10:26,975 250 00:10:26,975 --> 00:10:29,350 M蓹n ir蓹li getm蓹k 眉莽眉n gedir蓹m v蓹 terminal p蓹nc蓹r蓹 a莽maq. 251 00:10:29,350 --> 00:10:31,933 M蓹n ir蓹li getm蓹k 眉莽眉n gedir蓹m v蓹 bir DNS server n蓹 siz蓹 g枚st蓹rir. 252 00:10:31,933 --> 00:10:35,700 M蓹n ist蓹yirdim M蓹s蓹l蓹n, 蓹g蓹r g枚rm蓹k IP 眉nvan谋 Facebook n蓹, 253 00:10:35,700 --> 00:10:37,720 M蓹n terminal谋ndan yaza bil蓹rsiniz bu kimi t蓹klif 254 00:10:37,720 --> 00:10:40,010 v蓹 h蓹tta bunu ed蓹 bil蓹rsiniz Sizin cihaz daxilind蓹. 255 00:10:40,010 --> 00:10:41,595 V蓹 axtar谋艧 facebook.com var. 256 00:10:41,595 --> 00:10:43,220 257 00:10:43,220 --> 00:10:44,500 >> M蓹n h蓹r 艧eyi bir d蓹st蓹 g枚r眉r眉k. 258 00:10:44,500 --> 00:10:48,097 Bu ilk cavab Harvard DNS server-- 259 00:10:48,097 --> 00:10:49,930 M蓹n var ki, 艧蓹kil orada t蓹rtib. --that nin 260 00:10:49,930 --> 00:10:54,300 m蓹n蓹 ki, Facebook IP 眉nvan, bu y蓹qin edir. 261 00:10:54,300 --> 00:10:58,650 M蓹n蓹 ir蓹li getm蓹k v蓹 ki 173.252.120.16 sur蓹ti. 262 00:10:58,650 --> 00:11:00,960 V蓹 m蓹nim Mac Chrome a莽maq bildirin. 263 00:11:00,960 --> 00:11:06,690 V蓹 m蓹n蓹 http getm蓹k ed蓹k: // v蓹 paste ki, IP 眉nvan谋 v蓹 Enter d眉ym蓹sini bas谋n. 264 00:11:06,690 --> 00:11:08,950 >> V蓹 h蓹qiq蓹t蓹n, M蓹n Facebook 枚z眉m眉 tapa bil蓹rsiniz. 265 00:11:08,950 --> 00:11:11,090 Bel蓹 ki, el蓹 ki, d枚n眉艧眉m, h蓹qiq蓹t蓹n, oldu. 266 00:11:11,090 --> 00:11:15,314 M蓹n bu n蓹 varsa, ed蓹k , www.google.com nslookup. 267 00:11:15,314 --> 00:11:17,302 M蓹n cavab b眉t眉n d蓹st蓹 geri almaq. 268 00:11:17,302 --> 00:11:20,010 V蓹 h蓹qiq蓹t蓹n, m眉xt蓹lif yollarla var 艧irk蓹tl蓹r bu h蓹yata ki. 269 00:11:20,010 --> 00:11:22,440 B蓹z蓹n, onlar d眉nya dem蓹k onlar bir IP 眉nvan谋 var. 270 00:11:22,440 --> 00:11:25,824 >> Amma bir IP 眉nvan谋 h蓹ll olur v蓹 ya bir ne莽蓹 server e艧lenen. 271 00:11:25,824 --> 00:11:27,740 V蓹 ya Google halda, Onlar d眉nya dem蓹k, 272 00:11:27,740 --> 00:11:29,510 biz IP 眉nvanlar b眉t眉n d蓹st蓹 var. 273 00:11:29,510 --> 00:11:33,910 Sizin laptop dan谋艧maq xo艧 deyil Bu server h蓹r hans谋 bir 蓹laq蓹. 274 00:11:33,910 --> 00:11:36,200 Bel蓹 ki, b眉t眉n gedir ba艧l谋q alt谋nda. 275 00:11:36,200 --> 00:11:40,830 >> Siz yaz谋n zaman www.google.com daxil edin brauzerinizin, brauzerinizin, 276 00:11:40,830 --> 00:11:46,180 v蓹, Mac sizin 蓹m蓹liyyat 莽evirm蓹k OS v蓹 ya Windows, ya Ubuntu Linux, 277 00:11:46,180 --> 00:11:51,010 , n蓹 yax谋n DNS server xahi艧 Bu server faktiki 眉nvan谋. 278 00:11:51,010 --> 00:11:54,330 Son cihaz 脟眉nki Bu 艧蓹kil, bir router, 279 00:11:54,330 --> 00:11:57,840 Onun m蓹qs蓹di bir h蓹yat, mar艧rut m蓹lumat 眉莽眉n 280 00:11:57,840 --> 00:12:01,150 mar艧rut bel蓹 dan谋艧maq paketl蓹rin, digital informasiya z蓹rfl蓹rin 281 00:12:01,150 --> 00:12:06,320 olan zeroes v蓹 olanlar谋 olan m蓹n艧蓹li t蓹yinat g枚nd蓹r蓹n, 282 00:12:06,320 --> 00:12:07,200 al谋c谋 眉莽眉n. 283 00:12:07,200 --> 00:12:09,760 >> V蓹 bel蓹 bir router mar艧rutlar谋 stuff. 284 00:12:09,760 --> 00:12:13,000 Bel蓹 ki, niy蓹 bu b眉t眉n m眉vafiq? 285 00:12:13,000 --> 00:12:16,000 Yax艧谋, bir n蓹z蓹r salaq nec蓹 bu istifad蓹 oluna bil蓹r. 286 00:12:16,000 --> 00:12:21,600 M蓹n burada var d眉艧眉n蓹k Rob Boden bir 艧蓹kil. 287 00:12:21,600 --> 00:12:22,690 288 00:12:22,690 --> 00:12:25,150 M蓹n ist蓹yir蓹m ki, g眉man Rob Boden bu 艧蓹kil g枚nd蓹rm蓹k 289 00:12:25,150 --> 00:12:27,530 geri Dan daxil m眉hazir蓹 zal谋. 290 00:12:27,530 --> 00:12:29,976 >> M蓹n bir komp眉ter am m蓹nim laptop, v蓹 Dan kimi 291 00:12:29,976 --> 00:12:31,600 internet b蓹zi dig蓹r komp眉ter. 292 00:12:31,600 --> 00:12:34,380 M蓹n bir paket g枚nd蓹rm蓹k ist蓹yir蓹m Onun m蓹nd蓹n m蓹lumat. 293 00:12:34,380 --> 00:12:37,952 Bu sual, nec蓹 M蓹n yalvar谋r h蓹qiq蓹t蓹n mar艧rut ona bu paket. 294 00:12:37,952 --> 00:12:40,660 Yax艧谋, insan bax谋m谋ndan, m蓹n dey蓹rdim ki, hey, siz Dan bu ke莽蓹 bil蓹r? 295 00:12:40,660 --> 00:12:42,826 >> V蓹 sonra, bir d蓹st蓹 y蓹qin ki, geri ke莽蓹c蓹k 296 00:12:42,826 --> 00:12:45,890 v蓹 ir蓹li geri v蓹 ir蓹li q蓹d蓹r n蓹tic蓹d蓹 Dan 眉z蓹rind蓹 onun yolu edir. 297 00:12:45,890 --> 00:12:47,700 Amma bir az d蓹qiq var. 298 00:12:47,700 --> 00:12:50,370 Computers y蓹qin ki, laz谋md谋r bir az daha metodiki ola bil蓹r. 299 00:12:50,370 --> 00:12:53,190 Bel蓹 ki, y蓹qin ki, Dan bir IP 眉nvan谋 var. 300 00:12:53,190 --> 00:12:57,190 Bel蓹 ki, m蓹n n蓹 etm蓹liy蓹m h蓹qiq蓹t蓹n m蓹n laz谋md谋r M蓹s蓹l蓹n, bo艧 bir z蓹rf almaq 301 00:12:57,190 --> 00:12:58,140 bu kimi. 302 00:12:58,140 --> 00:13:00,130 M蓹n bilmir蓹m n蓹 Dan IP 眉nvan谋. 303 00:13:00,130 --> 00:13:04,300 >> M蓹n yaln谋z gedir蓹m Dan IP kimi 眉mumil蓹艧dirm蓹k. 304 00:13:04,300 --> 00:13:07,511 M蓹n bu qoymaq gedir蓹m m蓹nim z蓹rfl蓹rin sah蓹sind蓹. 305 00:13:07,511 --> 00:13:09,010 V蓹 eyni zamanda, m蓹n bir IP 眉nvan谋 var. 306 00:13:09,010 --> 00:13:10,610 Bu g眉n n蓹 etm蓹z. 307 00:13:10,610 --> 00:13:15,130 M蓹n yaln谋z dem蓹k gedir蓹m My Orada geri k眉nc眉nd蓹 IP. 308 00:13:15,130 --> 00:13:19,350 V蓹 sonra, m蓹n ir蓹li getm蓹k v蓹 qoymaq gedir蓹m Bu z蓹rf daxilind蓹 bu 艧蓹kil. 309 00:13:19,350 --> 00:13:22,800 >> V蓹 sonra, siz h蓹r ehtimalla, internet mar艧rutla艧d谋r谋c谋lar谋 kimi, 310 00:13:22,800 --> 00:13:25,470 il蓹 枚nceden edilmi艧dir 眉mumiyy蓹tl蓹 ya b蓹z蓹n insanlar 311 00:13:25,470 --> 00:13:29,854 avtomatla艧d谋r谋lm谋艧 alqoritml蓹ri il蓹 bilirik ki, Dan IP 眉nvan谋 il蓹 1 ba艧lay谋r, 312 00:13:29,854 --> 00:13:30,770 bu yolla getm蓹lidir. 313 00:13:30,770 --> 00:13:33,300 Dan IP 眉nvan谋 il蓹 ba艧lay谋r 2, bu yolla getm蓹lidir. 314 00:13:33,300 --> 00:13:34,450 B蓹lk蓹 3 yol gedir. 315 00:13:34,450 --> 00:13:35,575 B蓹lk蓹 bir 4 yol gedir. 316 00:13:35,575 --> 00:13:36,700 V蓹 h蓹dsiz bir az var. 317 00:13:36,700 --> 00:13:38,670 Basit莽e lakin 眉mumi fikir var. 318 00:13:38,670 --> 00:13:42,370 Bu routers-- h蓹r v蓹 g眉c kimi bir 莽ox m蓹n蓹 v蓹 Dan aras谋nda 30 kimi. 319 00:13:42,370 --> 00:13:45,140 tablo bir n枚v --have onlar谋n yadda艧 daxilind蓹, 320 00:13:45,140 --> 00:13:49,070 bir veril蓹nl蓹r bazas谋 masa, yaln谋z deyir ki, Bu kimi g枚r眉n眉r ki, IP 眉nvan, 321 00:13:49,070 --> 00:13:49,730 Bu yol gedir. 322 00:13:49,730 --> 00:13:51,960 G枚r眉n眉r ki, bir IP 眉nvan谋 bu kimi yol gedir. 323 00:13:51,960 --> 00:13:54,750 V蓹 edir n蓹 var kifay蓹t q蓹d蓹r sad蓹 q蓹rarlar. 324 00:13:54,750 --> 00:13:59,440 >> Amma bu mar艧rutla艧d谋r谋c谋lar谋 ki, 莽谋x谋r potensial daha 莽ox bir 艧ey. 325 00:13:59,440 --> 00:14:03,550 Onlar komp眉ter imkan verir z蓹man蓹t 莽atd谋r谋lmas谋, 蓹n az谋 326 00:14:03,550 --> 00:14:05,000 y眉ks蓹k ehtimal谋 il蓹. 327 00:14:05,000 --> 00:14:08,340 Bel蓹 ki, 莽ox, h蓹tta 蓹g蓹r, e艧itmi艧蓹m bil蓹r Siz olduqca qay臒谋 v蓹 ya merak he莽 etdik 328 00:14:08,340 --> 00:14:12,140 n蓹, siz e艧itmi艧蓹m bil蓹r bu abbreviaturad谋r il蓹 bir 艧ey. 329 00:14:12,140 --> 00:14:15,500 Nin 眉莽眉n burada geri ed蓹k Yaln谋z bir an v蓹 bu qoparmaq. 330 00:14:15,500 --> 00:14:18,550 >> TCP, Transmissiya N蓹zar蓹t Protokolu. 331 00:14:18,550 --> 00:14:21,494 Yaln谋z bir texniki yolu ba艧qa texnologiya izah 332 00:14:21,494 --> 00:14:22,660 ki, internet istifad蓹 edir. 333 00:14:22,660 --> 00:14:24,809 Bel蓹 IP, internet protokol m眉raci蓹t 眉莽眉n istifad蓹 olunur. 334 00:14:24,809 --> 00:14:27,100 B蓹zi standart ki, d眉nya, bildirib ki, il蓹 g蓹ldi 335 00:14:27,100 --> 00:14:31,059 Siz Dan 眉莽眉n bir IP 眉nvan谋 bura qoymaq v蓹 枚z眉n眉z 眉莽眉n burada bir IP 眉nvan谋, 336 00:14:31,059 --> 00:14:33,100 v蓹 sonra b蓹zi qoymaq bir z蓹rfd蓹 m蓹lumat. 337 00:14:33,100 --> 00:14:36,600 >> Amma TCP ba艧qa bir texnologiya, IP il蓹 birlikd蓹 istifad蓹. 338 00:14:36,600 --> 00:14:38,970 V蓹 h蓹qiq蓹t蓹n, siz var 蓹g蓹r he莽 蓹vv蓹l bu abbreviatura g枚r眉ld眉, 339 00:14:38,970 --> 00:14:42,110 Siz y蓹qin ki, g枚rd眉m TCP IP do臒ramaq yaln谋z 340 00:14:42,110 --> 00:14:43,900 insanlar onlara birlikd蓹 istifad蓹 edirl蓹r dem蓹kdir. 341 00:14:43,900 --> 00:14:47,570 Yax艧谋, TCP n枚v眉 Bu imkan verir, 莽眉nki s蓹rin 342 00:14:47,570 --> 00:14:50,220 Siz ehtimal谋n谋 art谋rmaq 眉莽眉n m蓹lumat h蓹qiq蓹t蓹n ki, 343 00:14:50,220 --> 00:14:51,970 M蓹n蓹 Dan almaq 眉莽眉n gedir. 344 00:14:51,970 --> 00:14:54,080 >> 茝slind蓹, internet bir crazy yerdir. 345 00:14:54,080 --> 00:14:56,530 He莽 bir z蓹man蓹t yoxdur ki, M蓹n data bu 艧蓹kild蓹 g枚nd蓹rm蓹k 蓹g蓹r 346 00:14:56,530 --> 00:14:58,530 getm蓹k 眉莽眉n gedir ki, yol 蓹traf谋nda n枚vb蓹ti d蓹f蓹. 347 00:14:58,530 --> 00:14:59,905 Bu yol v蓹 ya yol getm蓹k bil蓹r. 348 00:14:59,905 --> 00:15:02,680 Aras谋nda 蓹n q谋sa m蓹saf蓹 iki xal m眉tl蓹q deyil 349 00:15:02,680 --> 00:15:04,860 d眉z v蓹 ya eyni x蓹tt. 350 00:15:04,860 --> 00:15:07,170 >> Siz Bundan 蓹lav蓹, b蓹zi u艧aqlar s蓹hvl蓹r ed蓹 bil蓹r 351 00:15:07,170 --> 00:15:09,780 v蓹 ya 莽ox il蓹 overwhelmed almaq 莽ox z蓹rfl蓹rin yol g蓹lir. 352 00:15:09,780 --> 00:15:10,940 Bel蓹 ki, yaln谋z gedir imtina v蓹 s枚z眉n 353 00:15:10,940 --> 00:15:13,050 bu b蓹zi d眉艧m蓹k m蓹rt蓹b蓹sind蓹 z蓹rfl蓹rin. 354 00:15:13,050 --> 00:15:16,930 V蓹 eyni 艧蓹kild蓹 data ola bil蓹r mar艧rutla艧d谋r谋c谋lar谋 internet d眉艧d眉. 355 00:15:16,930 --> 00:15:18,680 Bel蓹 ki, azaltmaq 眉莽眉n Bu bahis, m蓹n gedir蓹m 356 00:15:18,680 --> 00:15:21,980 m蓹nim ki莽ik t蓹hl眉k蓹sizlik almaq burada qay莽谋 v蓹 Rob k蓹sdi 357 00:15:21,980 --> 00:15:26,140 daxil nin, d枚rd dey蓹k 蓹d蓹d d枚rd seqmentl蓹ri. 358 00:15:26,140 --> 00:15:27,210 359 00:15:27,210 --> 00:15:33,350 >> V蓹 indi m蓹n ir蓹li getm蓹k 眉莽眉n gedir蓹m v蓹 m蓹lumat daha bir par莽a qoymaq 360 00:15:33,350 --> 00:15:34,610 Bu z蓹rf 眉zr蓹. 361 00:15:34,610 --> 00:15:39,630 M蓹n 4 kimi bir 艧ey, 1 dem蓹k gedir蓹m. 362 00:15:39,630 --> 00:15:43,370 Bel蓹 ki, indi, m蓹nim son z蓹rf, at 蓹n az谋 ilk bu kimi g枚r眉n眉r. 363 00:15:43,370 --> 00:15:45,500 M蓹n ir蓹li getm蓹k 眉莽眉n gedir蓹m v蓹 burada bu qoydu. 364 00:15:45,500 --> 00:15:47,070 365 00:15:47,070 --> 00:15:53,430 V蓹 vaxt xatirin蓹, m蓹n gedir蓹m eyni 4 2 kimi ba艧qalar谋 etiket, 366 00:15:53,430 --> 00:15:57,760 4 3, 4, 4. 367 00:15:57,760 --> 00:16:02,170 >> Yen蓹 d蓹 Dan IP 眉nvan谋 il蓹 bu v蓹 IP 眉nvan谋 il蓹 枚n 368 00:16:02,170 --> 00:16:06,660 arxa sol, lakin m蓹n yaln谋z h蓹l蓹 onlara g枚nd蓹rm蓹k bilm蓹z. 369 00:16:06,660 --> 00:16:08,930 Bu 莽谋x谋r, 莽眉nki internet ki, 370 00:16:08,930 --> 00:16:10,980 server 莽ox 艧eyl蓹r ed蓹 bil蓹rsiniz. 371 00:16:10,980 --> 00:16:14,300 茝slind蓹, biz b眉t眉n web istifad蓹 ed蓹 bil蓹r bir q蓹d蓹r, d眉nyada web, 372 00:16:14,300 --> 00:16:16,139 http: // n蓹. 373 00:16:16,139 --> 00:16:17,930 Amma dig蓹r var internet xidm蓹tl蓹ri. 374 00:16:17,930 --> 00:16:21,760 B蓹zi dig蓹r xidm蓹tl蓹r sort var istifad蓹莽i, istehlak莽谋 dostu xidm蓹tl蓹ri 375 00:16:21,760 --> 00:16:25,020 ba艧qa a臒la ki, yaz bir web browser tipli proqram? 376 00:16:25,020 --> 00:16:26,724 377 00:16:26,724 --> 00:16:27,390 Auditoriya: Email. 378 00:16:27,390 --> 00:16:28,180 DAVID MALAN: Email. 379 00:16:28,180 --> 00:16:28,410 OK. 380 00:16:28,410 --> 00:16:28,630 Yax艧谋. 381 00:16:28,630 --> 00:16:29,446 Ba艧qa bir n蓹dir? 382 00:16:29,446 --> 00:16:30,070 Auditoriya: Chat. 383 00:16:30,070 --> 00:16:32,780 DAVID MALAN: Bel蓹 olub, s枚hb蓹t Bu Skype, ya Gchat, v蓹 ya bir 艧ey var 384 00:16:32,780 --> 00:16:33,992 kimi. 385 00:16:33,992 --> 00:16:34,817 >> Auditoriya: Anbar xidm蓹ti. 386 00:16:34,817 --> 00:16:37,150 DAVID MALAN: Bel蓹 ki, bir n枚v storage xidm蓹t, 蓹lb蓹tt蓹. 387 00:16:37,150 --> 00:16:39,004 Dropbox kimi bir 艧ey, v蓹 ya Box, v蓹 ya kimi. 388 00:16:39,004 --> 00:16:40,920 Bel蓹 ki, m眉xt蓹lif var internet xidm蓹tl蓹ri. 389 00:16:40,920 --> 00:16:44,090 V蓹 bu ki, Dan 莽谋x谋r O, h蓹qiq蓹t蓹n bir komp眉ter varsa, 390 00:16:44,090 --> 00:16:46,520 h蓹sr olunacaq yoxdur h蓹yat谋nda bir 艧ey. 391 00:16:46,520 --> 00:16:49,650 O, h蓹qiq蓹t蓹n, 莽ox 艧eyl蓹r ed蓹 bil蓹rsiniz. 392 00:16:49,650 --> 00:16:51,740 V蓹 h蓹qiq蓹t蓹n, o, bir e-po莽t server ola bil蓹r. 393 00:16:51,740 --> 00:16:53,270 O, bir web server ola bil蓹r. 394 00:16:53,270 --> 00:16:55,120 O chat server ola bil蓹r. 395 00:16:55,120 --> 00:16:57,600 >> Amma ki, g枚r眉n眉r Dan bilm蓹k laz谋md谋r ki, 396 00:16:57,600 --> 00:17:01,010 蓹vv蓹lc蓹d蓹n n蓹 var bu mesajlar谋n m蓹zmunu. 397 00:17:01,010 --> 00:17:02,830 Bu m蓹n onu g枚nd蓹rilm蓹si al谋ram bir web s蓹hif蓹 m谋? 398 00:17:02,830 --> 00:17:04,140 M蓹n ona g枚nd蓹rilm蓹si al谋ram bir e-po莽t? 399 00:17:04,140 --> 00:17:05,930 Bir ani edir Mesaj M蓹n onu g枚nd蓹rilm蓹si al谋ram? 400 00:17:05,930 --> 00:17:08,630 Bel蓹likl蓹, biz daha bir par莽a laz谋md谋r Bu z蓹rfd蓹 haqq谋nda m蓹lumat 401 00:17:08,630 --> 00:17:10,930 ki Dan, o Bu z蓹rf al谋r, 402 00:17:10,930 --> 00:17:13,119 proqram ke莽irm蓹k 眉莽眉n istifad蓹 etm蓹k n蓹 bilir. 403 00:17:13,119 --> 00:17:14,200 >> Bir browser edir? 404 00:17:14,200 --> 00:17:15,170 Bu Google? 405 00:17:15,170 --> 00:17:16,170 Bu Skype m谋? 406 00:17:16,170 --> 00:17:19,760 V蓹 ya Outlook v蓹 ya b蓹zi c蓹mi dig蓹r proqram? 407 00:17:19,760 --> 00:17:23,740 Bel蓹 ki, il蓹 TCP g蓹lir yaln谋z bir insan konvensiya. 408 00:17:23,740 --> 00:17:26,930 D眉nya ne莽蓹 il q蓹rar 蓹vv蓹l unikal integers birl蓹艧m蓹k 409 00:17:26,930 --> 00:17:28,520 蓹n m蓹艧hur xidm蓹tl蓹ri. 410 00:17:28,520 --> 00:17:31,920 >> Bir adl谋 File Transfer Protocol, FTP, bu olsa bir az art谋q tarixli. 411 00:17:31,920 --> 00:17:34,150 Amma onun unikal identifikatoru 21. 412 00:17:34,150 --> 00:17:39,020 Giden e-po莽t SMTP, unikal identifikator yaln谋z 莽眉nki 25. 413 00:17:39,020 --> 00:17:43,616 DNS, 艧ey biz 蓹vv蓹ll蓹r haqq谋nda s枚hb蓹t onun sorgular 眉莽眉n say谋 53 istifad蓹 edir. 414 00:17:43,616 --> 00:17:45,365 IP n蓹 kimi google.com 眉nvan谋? 415 00:17:45,365 --> 00:17:46,580 416 00:17:46,580 --> 00:17:49,790 >> V蓹 indi, daha tan谋艧 bir n枚qt蓹d蓹 yerd蓹 ola bil蓹r 417 00:17:49,790 --> 00:17:52,620 b蓹lk蓹 say谋 80 v蓹 443 g枚r眉ld眉. 418 00:17:52,620 --> 00:17:55,822 H蓹min unikal HTTP 眉莽眉n tan谋mlay谋c谋lar谋, 419 00:17:55,822 --> 00:17:57,530 hans谋 dili biz tezlikl蓹 istifad蓹 bax laz谋md谋r 420 00:17:57,530 --> 00:18:00,000 web trafik aras谋nda 眉莽眉n brauzerl蓹rd蓹 v蓹 server. 421 00:18:00,000 --> 00:18:02,740 V蓹 443 眉莽眉n onlar谋n t蓹hl眉k蓹siz versiyas谋. 422 00:18:02,740 --> 00:18:05,530 >> Bel蓹 ki, son bir detal Ben M蓹nim z蓹rfd蓹 qoymaq niyy蓹tind蓹dir 423 00:18:05,530 --> 00:18:08,530 m蓹n ged蓹n deyil蓹m ki, yaln谋z Dan IP bu g枚nd蓹rm蓹k. 424 00:18:08,530 --> 00:18:13,630 M蓹n dem蓹k g枚nd蓹rm蓹k 眉莽眉n gedir蓹m : 80, m蓹n g枚nd蓹rm蓹k 眉莽眉n 莽al谋艧谋ram n蓹 varsa 425 00:18:13,630 --> 00:18:16,862 ona bir web s蓹hif蓹, bir web s蓹hif蓹 ki, Rob Boden 艧蓹kil var. 426 00:18:16,862 --> 00:18:19,320 M蓹n eyni gedir蓹m dig蓹r z蓹rfl蓹rin 艧ey. 427 00:18:19,320 --> 00:18:23,620 >> V蓹 sonra n蓹hay蓹t, m蓹n d眉艧m蓹k gedir蓹m yax谋n router bu off, 428 00:18:23,620 --> 00:18:26,300 ki, etiraf router m眉tl蓹q deyil bil蓹r 429 00:18:26,300 --> 00:18:28,210 eyni yolu h蓹r vaxt. 430 00:18:28,210 --> 00:18:30,900 茝slind蓹, m蓹n ola bil蓹r ilk paket bu 艧蓹kild蓹 gedir. 431 00:18:30,900 --> 00:18:32,670 陌kinci paket yol getm蓹k bil蓹r. 432 00:18:32,670 --> 00:18:34,250 脺莽眉nc眉 mar艧rutla艧d谋rma ba艧lamaq packet--. 433 00:18:34,250 --> 00:18:35,420 burada getm蓹k --might. 434 00:18:35,420 --> 00:18:36,440 435 00:18:36,440 --> 00:18:39,530 V蓹 theory-- onu saxlamaq olmaz. 436 00:18:39,530 --> 00:18:43,660 Bu paket n蓹z蓹riyy蓹si, b眉t眉n d枚rd n蓹tic蓹d蓹 mar艧rut yol olmal谋d谋r 437 00:18:43,660 --> 00:18:46,940 Lakin s蓹m蓹r蓹li v蓹 ya s蓹m蓹r蓹siz, geri b眉t眉n yol. 438 00:18:46,940 --> 00:18:51,560 >> Olan n枚qt蓹, Dan, sonra da q蓹bz, onlar谋 reassemble bil蓹r 439 00:18:51,560 --> 00:18:55,735 l蓹tif蓹 on-- 蓹sas谋nda, biz b眉t眉n n蓹 n蓹tic蓹si burada bilm蓹k 440 00:18:55,735 --> 00:18:56,360 olacaq. 441 00:18:56,360 --> 00:18:57,600 Dan Rob bir 艧蓹kil olacaq. 442 00:18:57,600 --> 00:18:58,974 Amma bu nec蓹 i艧l蓹diyini g枚rm蓹k ed蓹k. 443 00:18:58,974 --> 00:18:59,664 444 00:18:59,664 --> 00:19:02,080 Yax艧谋, 莽ox, Dan olacaq Rob bir 艧蓹kil hiss蓹si almaq. 445 00:19:02,080 --> 00:19:04,286 446 00:19:04,286 --> 00:19:04,785 脟ox yax艧谋. 447 00:19:04,785 --> 00:19:06,200 448 00:19:06,200 --> 00:19:07,580 H蓹r k蓹s bu g眉n i艧tirak edir. 449 00:19:07,580 --> 00:19:09,200 450 00:19:09,200 --> 00:19:09,910 B眉t眉n h眉quqlar. 451 00:19:09,910 --> 00:19:13,870 Dan Bu almaq ba艧lay谋r kimi bel蓹 paket,-nin bir sual soru艧aq. 452 00:19:13,870 --> 00:19:18,820 N蓹 biri t蓹nb蓹l olur, 蓹g蓹r, y眉kl蓹nmir, z蓹r蓹rli, v蓹 ya yaln谋z powered 453 00:19:18,820 --> 00:19:22,570 off v蓹 bir v蓹 ya daha 莽ox paketi Dan etmir? 454 00:19:22,570 --> 00:19:26,920 >> Mahn谋lar谋 Dan etm蓹di bilm蓹k gedir D枚rd seqmentl蓹rind蓹n biri almaq 455 00:19:26,920 --> 00:19:28,040 M蓹n onu g枚nd蓹rdi? 456 00:19:28,040 --> 00:19:30,040 Yaln谋z daxil蓹n, biz n蓹 ed蓹 bil蓹r? 457 00:19:30,040 --> 00:19:30,540 B蓹li? 458 00:19:30,540 --> 00:19:31,456 >> Auditoriya: [i艧itilemez]. 459 00:19:31,456 --> 00:19:35,885 460 00:19:35,885 --> 00:19:36,760 DAVID MALAN: Exactly. 461 00:19:36,760 --> 00:19:40,250 M蓹n var 脟眉nki benzersiz onlar谋 sayl谋, M蓹n m眉蓹yy蓹n n蓹 莽ox seqmentl蓹ri 462 00:19:40,250 --> 00:19:44,030 olmal谋d谋r, o n蓹tic蓹 莽谋xarmaq olar olan 蓹g蓹r varsa, seqmentl蓹rin 463 00:19:44,030 --> 00:19:45,070 o, h蓹qiq蓹t蓹n itkin oldu. 464 00:19:45,070 --> 00:19:48,770 V蓹 TCP komp眉ter deyir n蓹, komp眉ter varsa, Mac OS, 465 00:19:48,770 --> 00:19:52,510 v蓹 Windows, v蓹 Linux d蓹st蓹k v蓹 onlar hans谋 TCP, anlamaq 466 00:19:52,510 --> 00:19:57,010 TCP s蓹n蓹dl蓹rin mahiyy蓹tc蓹 Dan m蓹n蓹 deyir ki, 467 00:19:57,010 --> 00:20:00,580 bir mesaj geri, hey, Davud M蓹n 4 paket say谋 1 itkin al谋ram 468 00:20:00,580 --> 00:20:02,290 3 4, bu hans谋. 469 00:20:02,290 --> 00:20:06,016 >> V蓹 sonra, m蓹nim i艧 almaq Rob bir 艧蓹kil, 470 00:20:06,016 --> 00:20:09,140 Biz sonra bu g眉n 眉莽眉n 茝lav蓹l蓹r olan siz bir almaq ist蓹yirsinizs蓹, 471 00:20:09,140 --> 00:20:13,550 v蓹 sonra m蓹n ki, seqment yeniden bil蓹r Rob b眉t眉n yol geri. 472 00:20:13,550 --> 00:20:16,380 >> Bel蓹 ki, kimi sad蓹 Bu mexanizm ki, 473 00:20:16,380 --> 00:20:20,310 n蓹 dem蓹k olar ki, h蓹r zaman ba艧 olunur Siz internet bir 艧ey 474 00:20:20,310 --> 00:20:22,530 x眉susil蓹 bu 眉莽眉n xidm蓹tl蓹rin 蓹n m蓹艧hur. 475 00:20:22,530 --> 00:20:26,500 Dig蓹r protokol var, TCP ba艧qa texnologiyalar 476 00:20:26,500 --> 00:20:27,880 ki, f蓹rqli bir az 莽al谋艧谋r. 477 00:20:27,880 --> 00:20:33,040 Amma xidm蓹tl蓹ri 莽ox biz ad蓹t蓹n Bu protokollar etibar, h蓹qiq蓹t蓹n, istifad蓹. 478 00:20:33,040 --> 00:20:35,720 >> Bel蓹 Dan, siz almaq idi geri tam 艧蓹kil? 479 00:20:35,720 --> 00:20:36,220 B蓹li. 480 00:20:36,220 --> 00:20:37,840 Biz geri Rob reassembled. 481 00:20:37,840 --> 00:20:39,610 Mar艧rutla艧d谋r谋c谋lar谋 眉莽眉n 莽ox t蓹艧蓹kk眉r edirik. 482 00:20:39,610 --> 00:20:43,260 M蓹n, h蓹qiq蓹t蓹n, ist蓹yir蓹m, d眉艧眉n蓹k m蓹n蓹 aras谋nda y枚nlendirici g枚rm蓹k 483 00:20:43,260 --> 00:20:46,400 v蓹 M陌T, 莽ox kimi u艧aqlar idi M蓹n蓹 v蓹 Dan aras谋nda mar艧rutla艧d谋r谋c谋lar谋. 484 00:20:46,400 --> 00:20:49,500 >> Yax艧谋 deyil, nslookup 莽ox ad谋 server axtar谋艧 眉莽眉n, 485 00:20:49,500 --> 00:20:53,150 M蓹n 蓹v蓹zin蓹 iz mar艧rutu yaz谋n bil蓹r h蓹qiq蓹t蓹n deyir n蓹 gedir. 486 00:20:53,150 --> 00:20:55,240 V蓹 m蓹n gedir蓹m v蓹 tire 1 sakit rejimi. 487 00:20:55,240 --> 00:20:57,448 Bu command line arqument yaln谋z deyir ki, bu c蓹hd edin 488 00:20:57,448 --> 00:20:58,740 bir v蓹 ne莽蓹 d蓹f蓹. 489 00:20:58,740 --> 00:21:02,210 >> V蓹 indi m蓹n www.mit.edu yaz谋n gedir蓹m. 490 00:21:02,210 --> 00:21:05,660 陌ndi 莽谋x谋艧 edir kifay蓹t q蓹d蓹r s眉r蓹tli v蓹 sirli. 491 00:21:05,660 --> 00:21:08,300 Amma bu bar蓹d蓹 s蓹liq蓹li n蓹 Bu sat谋r ki, h蓹r biri 492 00:21:08,300 --> 00:21:10,750 mahiyy蓹tc蓹 t蓹msil bu auditoriyada t蓹l蓹b蓹 493 00:21:10,750 --> 00:21:13,870 M蓹n蓹 v蓹 M陌T aras谋nda yol olsayd谋. 494 00:21:13,870 --> 00:21:17,930 Siz burada g枚rm蓹k n蓹, ilk deyil, M蓹n yazd谋臒谋n谋z domen ad谋, 495 00:21:17,930 --> 00:21:20,500 v蓹 ya tam ixtisasl谋 domen d眉zg眉n deyil蓹n kimi ad谋. 496 00:21:20,500 --> 00:21:24,420 >> Bu y蓹qin edir Www.mit.edu IP 眉nvan谋. 497 00:21:24,420 --> 00:21:26,260 M蓹nim komp眉ter m蓹nim 眉莽眉n ki, fiqurlu. 498 00:21:26,260 --> 00:21:29,170 Burada bir s枚z biz yaln谋z olacaq ki, 499 00:21:29,170 --> 00:21:31,490 30 mayaotu 蓹rzind蓹 M陌T 莽atmaq 眉莽眉n c蓹hd. 500 00:21:31,490 --> 00:21:34,180 Daha 莽ox ola M蓹n蓹 v蓹 Dan aras谋nda 30 t蓹l蓹b蓹l蓹r. 501 00:21:34,180 --> 00:21:37,870 陌ndi, bu sat谋r sanki bir router t蓹msil 502 00:21:37,870 --> 00:21:40,280 M蓹n蓹 v蓹 Dan aras谋nda, s枚z眉n siz u艧aqlar biri. 503 00:21:40,280 --> 00:21:42,950 >> V蓹 bu bir g枚r眉nm眉r bir ad谋, bir domen ad谋 var. 504 00:21:42,950 --> 00:21:44,150 Bu, sad蓹c蓹 bir IP var. 505 00:21:44,150 --> 00:21:49,439 V蓹 yaln谋z 0,662 ms etdi ilk router m蓹nd蓹n almaq 眉莽眉n. 506 00:21:49,439 --> 00:21:51,230 N枚vb蓹ti bir deyil 莽ox uzaq. 507 00:21:51,230 --> 00:21:53,560 Bu, yaln谋z bir etdi millisecond orada almaq 眉莽眉n. 508 00:21:53,560 --> 00:21:56,280 陌ndi, t蓹艧蓹kk眉rl蓹, h蓹r 艧eyi bir az daha istifad蓹莽i dostu almaq 509 00:21:56,280 --> 00:21:58,860 adlar谋 il蓹 sirli edir ki, lakin bir az daha izah. 510 00:21:58,860 --> 00:22:03,440 >> Bu y蓹qin bir router Harvard 艧蓹b蓹k蓹sinin 蓹sas, yer 511 00:22:03,440 --> 00:22:06,330 yaln谋z insanlar izah 莽眉nki Bu, Elm M蓹rk蓹zind蓹, SC. 512 00:22:06,330 --> 00:22:11,720 V蓹 GW 眉莽眉n yaln谋z stenoqrafiya notation edir router 眉莽眉n sinonimi olan Gateway. 513 00:22:11,720 --> 00:22:14,630 Bel蓹 ki, bu, b蓹zi sistemi y枚netici 眉styaz谋 yol 514 00:22:14,630 --> 00:22:17,230 server bir adland谋rma Elm M蓹rk蓹zind蓹. 515 00:22:17,230 --> 00:22:20,360 >> Bu vaxt ki, server y蓹qin deyil kabel bir n枚v il蓹 ba臒l谋 516 00:22:20,360 --> 00:22:24,760 l蓹q蓹bli ki, ba艧qa router S蓹rh蓹d Gateway bir dash 517 00:22:24,760 --> 00:22:26,770 bu n枚mr蓹l蓹ri dem蓹k n蓹 bir 艧ey. 518 00:22:26,770 --> 00:22:29,230 V蓹 sonra, y蓹qin, Harvard 蓹laq蓹si vard谋r 519 00:22:29,230 --> 00:22:31,340 ba艧qa millisecond var 眉z 艧ey 520 00:22:31,340 --> 00:22:35,590 艧imal k蓹si艧m蓹sind蓹 adl谋 olan 眉mumi imtahanedici n枚qt蓹sidir 521 00:22:35,590 --> 00:22:38,430 Harvard kimi b枚y眉k yerl蓹ri aras谋nda harada kabel 莽ox gedir 522 00:22:38,430 --> 00:22:40,870 v蓹 qar艧谋l谋ql谋 imkan verir m眉xt蓹lif 艧蓹xsl蓹r aras谋nda. 523 00:22:40,870 --> 00:22:43,700 >> T蓹蓹ss眉f ki, alt谋 add谋m cari ad谋 yoxdur. 524 00:22:43,700 --> 00:22:45,370 V蓹 yeddi maraql谋 olur add谋m. 525 00:22:45,370 --> 00:22:46,820 526 00:22:46,820 --> 00:22:49,260 M蓹n bu 莽ox dem蓹k n蓹 he莽 bir fikrim yoxdur. 527 00:22:49,260 --> 00:22:50,875 Amma NY m蓹n蓹 s谋莽ramaq deyil. 528 00:22:50,875 --> 00:22:52,375 V蓹 y蓹qin ki, n蓹 m蓹naya g蓹lir? 529 00:22:52,375 --> 00:22:54,810 530 00:22:54,810 --> 00:22:56,520 Bu da texniki deyil. 531 00:22:56,520 --> 00:22:57,400 Just New York. 532 00:22:57,400 --> 00:23:00,510 Bel蓹 ki, h蓹qiq蓹t蓹n, n蓹 眉mumi insan var konqres z蓹man蓹t deyil 533 00:23:00,510 --> 00:23:04,730 lakin 眉mumi konvensiya ad谋 mar艧rutla艧d谋r谋c谋lar谋 眉莽眉n 艧蓹h蓹r v蓹 ya hava liman谋nda t蓹bi蓹ti 534 00:23:04,730 --> 00:23:05,960 Onlar yax谋n ist蓹yirik ki kodu. 535 00:23:05,960 --> 00:23:08,630 >> B蓹zi ehtimal谋 il蓹, bel蓹 ki, Bu router say谋 yeddi 536 00:23:08,630 --> 00:23:10,270 New York, h蓹qiq蓹t蓹n, y蓹qin ki. 537 00:23:10,270 --> 00:23:13,020 Bu do臒rulamak 眉莽眉n g枚r眉n眉r ki, ehtimal var, 莽眉nki 538 00:23:13,020 --> 00:23:16,700 alt谋 ms 蓹v蓹zin蓹 yaln谋z bir v蓹 ya kampus burada bir 艧ey. 539 00:23:16,700 --> 00:23:19,900 Amma indi, n蓹z蓹r蓹 almaq sa臒 Avtobus v蓹 ya etajer haqq谋nda, 540 00:23:19,900 --> 00:23:23,810 Bu d枚rd, be艧, alt谋 saat bil蓹r Burada New York bir insan olsun. 541 00:23:23,810 --> 00:23:28,040 >> M蓹lumatlar谋n bir par莽a almaq 眉莽眉n, yaln谋z alt谋 ms edir 542 00:23:28,040 --> 00:23:31,020 蓹g蓹r Dan m蓹n蓹 bir paket almaq 眉莽眉n o, Nyu-York b眉t眉n yol idi. 543 00:23:31,020 --> 00:23:36,832 Sonra n蓹hay蓹t, bu y蓹qin deyil www.mit.edu 眉莽眉n faktiki domen ad谋. 544 00:23:36,832 --> 00:23:38,790 Onlar y蓹qin var Onlar谋n web server k蓹nar 545 00:23:38,790 --> 00:23:42,030 dem蓹kdir Akamai adl谋 艧irk蓹t Dig蓹r 艧irk蓹t 枚z serverl蓹r 莽al谋艧谋r. 546 00:23:42,030 --> 00:23:44,380 Biz g枚rd眉kd蓹 ki, var var ki, q蓹rib蓹 bir 艧ey. 547 00:23:44,380 --> 00:23:45,720 >> Yax艧谋, bu bir daha bunu ed蓹k. 548 00:23:45,720 --> 00:23:49,150 Nin ir蓹li getm蓹k v蓹 bir iz yoxdur bizim dostumuz Professor Nick mar艧rutu 549 00:23:49,150 --> 00:23:52,955 Bir olan Stanford Parlante server nifty.stanfor.edu 莽a臒谋r谋b. 550 00:23:52,955 --> 00:23:55,870 551 00:23:55,870 --> 00:23:56,980 Daxil edin. 552 00:23:56,980 --> 00:23:59,460 陌ndi, biz y蓹qin ki, g枚r蓹c蓹ksiniz bir az uzun yol 553 00:23:59,460 --> 00:24:00,960 ki, bir ne莽蓹 艧蓹h蓹rl蓹rind蓹 ke莽ir. 554 00:24:00,960 --> 00:24:03,160 Bel蓹 ki, burada bu nameless Burada Harvard server. 555 00:24:03,160 --> 00:24:05,660 Biz, Harvard 蓹sas etdiyiniz Harvard s蓹rh蓹d qap谋s谋 556 00:24:05,660 --> 00:24:08,081 艧imal ayr谋c谋nda, yerd蓹 bu. 557 00:24:08,081 --> 00:24:10,080 V蓹 indi, bu 蓹ld蓹 az daha maraql谋. 558 00:24:10,080 --> 00:24:12,960 M蓹n router t蓹xmin edir蓹m say谋 s蓹kkiz n蓹 艧蓹h蓹rimizd蓹 d蓹 var? 559 00:24:12,960 --> 00:24:14,210 Auditoriya: [S茝SL茝R陌 INTERPOSING] 560 00:24:14,210 --> 00:24:18,570 DAVID MALAN: Chicago y蓹qin ki, 蓹sas蓹n Bu, burada bu 艧ey 蓹saslan谋r. 561 00:24:18,570 --> 00:24:25,220 V蓹 indi biz, b蓹lk蓹 Salt Lake City var b蓹lk蓹 Los Angeles, burada v蓹 sonra LAX, 562 00:24:25,220 --> 00:24:27,690 yep, bu y蓹qin ki, LA alt edir. 563 00:24:27,690 --> 00:24:29,940 N蓹hay蓹t, o gedir C蓹nubi Kaliforniya 564 00:24:29,940 --> 00:24:34,420 艦imali California b眉t眉n yol Stanford Palo Alto oldu臒u 眉莽眉n. 565 00:24:34,420 --> 00:24:35,299 Bel蓹 ki, olduqca s蓹rin. 566 00:24:35,299 --> 00:24:36,840 V蓹 g蓹l蓹c蓹k bu bir add谋m olsun. 567 00:24:36,840 --> 00:24:39,000 Bu y蓹qin ki siz 82 ms almaq 568 00:24:39,000 --> 00:24:42,360 Siz 蓹g蓹r Dan bir mesaj g枚nd蓹rm蓹k 眉莽眉n California 蓹v蓹zin蓹 Nyu-York. 569 00:24:42,360 --> 00:24:45,090 Bir 艧ey ed蓹k iz mar艧rutlar谋 kimi, bir 570 00:24:45,090 --> 00:24:51,350 脺莽眉n www.cnn.co.jp c蓹hd CNN-nin veb Yapon versiyas谋. 571 00:24:51,350 --> 00:24:52,540 572 00:24:52,540 --> 00:24:54,910 陌ndi, biz h蓹l蓹 ist蓹yirik Boston bu anda g枚r眉n眉r. 573 00:24:54,910 --> 00:24:56,050 574 00:24:56,050 --> 00:24:58,165 >> Bir ne莽蓹 server alt谋 s蓹kkiz cavab vermir 575 00:24:58,165 --> 00:24:59,790 onlar bir az 艧蓹xsi olan edirik, 莽眉nki. 576 00:24:59,790 --> 00:25:04,970 Amma n蓹hay蓹t, var g枚r眉n眉r maraql谋 bir 艧ey aras谋nda gedir, 577 00:25:04,970 --> 00:25:08,395 Dey蓹k, yeddi v蓹 doqquz add谋m bildirin. 578 00:25:08,395 --> 00:25:09,800 579 00:25:09,800 --> 00:25:12,610 N蓹 y蓹qin aras谋nda yeddi v蓹 doqquz, v蓹 蓹lb蓹tt蓹 ki, 580 00:25:12,610 --> 00:25:14,610 yeddi v蓹 add谋m 17 aras谋nda? 581 00:25:14,610 --> 00:25:18,090 582 00:25:18,090 --> 00:25:20,210 B枚y眉k jump var zaman m蓹bl蓹臒ind蓹 583 00:25:20,210 --> 00:25:23,540 Bu data bir getm蓹k 眉莽眉n alaraq Bu mar艧rutla艧d谋r谋c谋lar谋 Bu mayaotu bir 584 00:25:23,540 --> 00:25:24,060 ba艧qa. 585 00:25:24,060 --> 00:25:27,310 >> Bel蓹 ki, bahis haradasa var burada y蓹qin ki, var, 586 00:25:27,310 --> 00:25:31,440 x眉susil蓹 burada, y蓹qin ki, var su 莽ox b枚y眉k b蓹d蓹n ki, 587 00:25:31,440 --> 00:25:35,320 bir trans Pacific ya trans var H蓹qiq蓹t蓹n t蓹l蓹b edir ki, Atlantic kabel 588 00:25:35,320 --> 00:25:37,710 m蓹lumatlar谋n 眉莽眉n daha 莽ox vaxt bir bax谋mdan almaq. 589 00:25:37,710 --> 00:25:40,690 Ancaq yen蓹 d蓹, saat t蓹s蓹vv眉r Yaponiya 眉莽眉n fly ed蓹c蓹k. 590 00:25:40,690 --> 00:25:45,786 Burada, 200 ms, boom, mesaj h蓹qiq蓹t蓹n var. 591 00:25:45,786 --> 00:25:48,160 Bel蓹likl蓹, siz il蓹 蓹traf谋nda oynaya bil蓹r Bu cihaz v蓹 ya h蓹tta 592 00:25:48,160 --> 00:25:50,940 Windows v蓹 ya Mac OS q蓹d蓹r m眉xt蓹lif 蓹mrl蓹ri. 593 00:25:50,940 --> 00:25:53,860 B蓹z蓹n, bu ulduz olacaq, sat谋r alt谋 v蓹 s蓹kkiz kimi olan 594 00:25:53,860 --> 00:25:55,300 yaln谋z mar艧rutla艧d谋r谋c谋lar谋 dem蓹kdir deyil yap谋land谋r谋lm谋艧 595 00:25:55,300 --> 00:25:57,120 bir cavab verm蓹k 眉莽眉n gizlilik xatirin蓹. 596 00:25:57,120 --> 00:26:00,210 Amma 眉mumiyy蓹tl蓹, bu texnika , 蓹slind蓹, i艧 olard谋. 597 00:26:00,210 --> 00:26:03,730 >> Bel蓹 莽谋x谋r ki, 莽ox dig蓹r var al蓹tl蓹ri lurking 艧ir蓹li m蓹lumat 598 00:26:03,730 --> 00:26:05,610 h蓹r g眉n veril蓹n 眉莽眉n almaq. 599 00:26:05,610 --> 00:26:08,560 Bel蓹 ki, m蓹s蓹l蓹n, siz almaq 蓹g蓹r bir e-po莽t, s蓹mimi siz b蓹zi kimi 600 00:26:08,560 --> 00:26:11,270 sual yax谋nlarda ola bil蓹r m蓹n艧蓹yi, he莽 vaxt var 蓹g蓹r 601 00:26:11,270 --> 00:26:13,330 Gmail interface baxd谋 olsun, 蓹vv蓹l 602 00:26:13,330 --> 00:26:15,560 Kollec interface 眉莽眉n v蓹 ya 艧蓹xsi bir, 603 00:26:15,560 --> 00:26:17,620 Siz g枚r蓹 bil蓹rsiniz sizin bu kimi axtar谋r inbox. 604 00:26:17,620 --> 00:26:20,910 >> V蓹 蓹slind蓹, bu e-po莽t M蓹n malan@harvard.edu g枚nd蓹rdi, 605 00:26:20,910 --> 00:26:24,620 jharvard@cs50.harvard.edu 眉莽眉n bu s蓹h蓹r yaln谋z 606 00:26:24,620 --> 00:26:26,070 m蓹n bir ekran bil蓹r. 607 00:26:26,070 --> 00:26:28,149 Amma bu b眉t眉n 莽谋x谋r Gmail bu d蓹f蓹, 608 00:26:28,149 --> 00:26:30,190 ki, az 眉莽bucaq var sa臒 眉st do臒ru 609 00:26:30,190 --> 00:26:34,080 orada Harvard yal yan谋nda 蓹g蓹r Siz Show Original vurun bas谋n. 610 00:26:34,080 --> 00:26:35,160 611 00:26:35,160 --> 00:26:39,260 Siz bunu 蓹g蓹r, siz h蓹qiq蓹t蓹n g枚rm蓹k laz谋md谋r 莽ox ezoterik informasiya bir d蓹st蓹 612 00:26:39,260 --> 00:26:43,360 zaman damgalar谋, v蓹 IP kimi 眉nvanlar谋 v蓹 domen adlar谋. 613 00:26:43,360 --> 00:26:46,990 >> Amma q谋sa, g枚r蓹c蓹ksiniz ki, b眉t眉n bu vaxt var ki, m枚vzular 614 00:26:46,990 --> 00:26:50,430 h蓹r hit Siz g枚nd蓹rm蓹k v蓹 q蓹bul e-po莽t. 615 00:26:50,430 --> 00:26:54,130 V蓹 bu adam bil蓹r bu m枚vzular var komp眉ter alim v蓹 ya ba艧qa istifad蓹, 616 00:26:54,130 --> 00:26:56,670 h蓹qiq蓹t蓹n 莽谋xarmaq 眉莽眉n b蓹zi ehtimal harada 617 00:26:56,670 --> 00:26:59,290 v蓹 kim蓹 bir e-po莽t 蓹slind蓹 g蓹ldi. 618 00:26:59,290 --> 00:27:01,830 >> 茝slind蓹, biz dan谋艧maq laz谋md谋r nec蓹 e-po莽t haqq谋nda sonra h蓹ft蓹 619 00:27:01,830 --> 00:27:04,100 枚z眉 generated bil蓹r program hans谋 620 00:27:04,100 --> 00:27:07,100 莽ox yax艧谋 bir 艧ey bir web 眉莽眉n ki, istifad蓹莽il蓹r e-po莽t g枚nd蓹rm蓹k ist蓹yir. 621 00:27:07,100 --> 00:27:12,020 Amma biz nec蓹 m蓹nas谋z, 莽ox, g枚r蓹c蓹ksiniz Bu kims蓹 e-po莽t yaratma臒a edir 622 00:27:12,020 --> 00:27:15,380 ba艧qas谋na, h蓹qiq蓹t蓹n, sizin halda ba艧l谋qlar谋n谋 yoxlamaq 眉莽眉n nec蓹. 623 00:27:15,380 --> 00:27:18,670 V蓹 h蓹tta itirm蓹k deyil proposition bu g眉n. 624 00:27:18,670 --> 00:27:22,220 >> Bildirib ki, il蓹 Bel蓹 ki, t蓹k qat q蓹d蓹r ged蓹k. 625 00:27:22,220 --> 00:27:25,100 Biz IP il蓹 ba艧layan bizim 眉莽眉n paket m眉raci蓹t 626 00:27:25,100 --> 00:27:26,470 onlara unikal 眉nvanlar谋n谋 verir. 627 00:27:26,470 --> 00:27:29,770 Ki, q谋sa TCP, 蓹n az谋 莽atd谋r谋lmas谋 v蓹 ya z蓹man蓹t 628 00:27:29,770 --> 00:27:34,002 t蓹r蓹find蓹n onlar谋n ehtimal谋n谋 art谋r谋r seqmentl蓹ri, 1 v蓹 ya 4 kimi 艧eyl蓹r 蓹lav蓹, 629 00:27:34,002 --> 00:27:36,740 4 2, 4 3, v蓹 4 4. 630 00:27:36,740 --> 00:27:40,710 >> 陌ndi, 眉st qat imkan ba艧qa protokol. 631 00:27:40,710 --> 00:27:44,550 B眉t眉n bunlar var protokollar谋, komp眉ter konvensiyalar 632 00:27:44,550 --> 00:27:47,670 dikt蓹 nec蓹 iki komp眉ter bir-birin蓹 dan谋艧maq. 633 00:27:47,670 --> 00:27:52,030 HTTP, n蓹hay蓹t bu g眉n, Hiperm蓹tn 脰t眉rm蓹 Protokolu. 634 00:27:52,030 --> 00:27:54,100 Bu protokol ki, web browser 635 00:27:54,100 --> 00:27:56,410 web server dan谋艧ark蓹n istifad蓹 edin. 636 00:27:56,410 --> 00:27:59,970 >> Bel蓹likl蓹, siz kimi bir brauzer qoparmaq zaman Chrome, v蓹 ya IE, Firefox v蓹 ya, v蓹 ya Safari, 637 00:27:59,970 --> 00:28:04,230 v蓹 ya h蓹r hans谋, siz bir 艧ey yaz谋n kimi facebook.com v蓹 Enter 638 00:28:04,230 --> 00:28:08,390 yaln谋z ilk komp眉ter yoxdur n蓹 daxil facebook.com t蓹rc眉m蓹? 639 00:28:08,390 --> 00:28:10,590 640 00:28:10,590 --> 00:28:11,770 Bir IP 眉nvan谋. 641 00:28:11,770 --> 00:28:17,420 O sonra bir g枚nd蓹rir converts-- ki, IP 眉nvan谋 dey蓹r蓹k mesaj, 642 00:28:17,420 --> 00:28:21,360 M蓹n蓹 bu g眉n ana verm蓹k verm蓹k v蓹 ya M蓹n蓹 Facebook giri艧 ekran. 643 00:28:21,360 --> 00:28:25,290 >> 茝g蓹r siz art谋q daxil edirsinizs蓹 v蓹 ya verm蓹k m蓹nim qrafiki default g枚r眉n眉艧眉. 644 00:28:25,290 --> 00:28:26,820 Bel蓹 ki, HTTP deyir. 645 00:28:26,820 --> 00:28:30,055 V蓹 daha 莽ox colloquially, bir web am 蓹g蓹r server v蓹 sizin ad谋 n蓹 are--, 646 00:28:30,055 --> 00:28:30,180 yenid蓹n? 647 00:28:30,180 --> 00:28:30,920 >> Auditoriya: Margot. 648 00:28:30,920 --> 00:28:34,250 >> DAVID MALAN: Margot bir web server, v蓹 m蓹n bir web browser deyil蓹m 649 00:28:34,250 --> 00:28:37,610 v蓹 m蓹n sad蓹c蓹 m蓹nim geri almaq ist蓹yir蓹m Margot olan qrafiki, margot.com, 650 00:28:37,610 --> 00:28:39,640 M蓹n David Ben, hello, dem蓹k olard谋. 651 00:28:39,640 --> 00:28:40,870 >> Auditoriya: Hi, M蓹n Margot edir蓹m. 652 00:28:40,870 --> 00:28:43,570 >> DAVID MALAN: V蓹 sonra cavab ver蓹c蓹yini M蓹n蓹 蓹lav蓹 m蓹lumat. 653 00:28:43,570 --> 00:28:45,890 Bel蓹likl蓹, biz bu axmaq insan var misal 眉莽眉n konvensiya t蓹艧蓹kk眉r edir蓹m. 654 00:28:45,890 --> 00:28:47,510 bir-birinin 蓹ll蓹ri silk蓹l蓹m蓹k --of. 655 00:28:47,510 --> 00:28:51,670 V蓹 komp眉ter h蓹min fikir var bir browser kimi bir m眉艧t蓹ri, 656 00:28:51,670 --> 00:28:55,600 bir 艧ey 眉莽眉n bir server xahi艧 onun ad谋ndan. 657 00:28:55,600 --> 00:28:57,540 >> V蓹 burada, m蓹s蓹l蓹n, bir 艧蓹kil var. 658 00:28:57,540 --> 00:29:01,120 Sol komp眉ter laptop, masa 眉st眉, n蓹, v蓹 ya h蓹tta telefon. 659 00:29:01,120 --> 00:29:03,890 V蓹 sa臒 bir 莽ox edir bir server g枚r眉n眉艧眉 tarixli. 660 00:29:03,890 --> 00:29:06,460 Onlar ad蓹t蓹n ki莽ik g枚r眉n眉r bu g眉n v蓹 sexier. 661 00:29:06,460 --> 00:29:09,570 Amma n枚qt蓹 sad蓹c蓹 ki, rabit蓹 bir n枚v var 662 00:29:09,570 --> 00:29:11,800 m眉艧t蓹ri v蓹 server aras谋nda. 663 00:29:11,800 --> 00:29:14,080 >> M蓹nada v蓹 m眉艧t蓹ril蓹r bir restoranda kims蓹 664 00:29:14,080 --> 00:29:16,620 v蓹 garson v蓹 ya x枚r蓹kpaylayan, komp眉ter il蓹 eyni fikir. 665 00:29:16,620 --> 00:29:19,340 M眉艧t蓹ril蓹r v蓹 server, bir m蓹lumat 眉莽眉n xahi艧 666 00:29:19,340 --> 00:29:21,560 bir informasiya il蓹 cavab verir. 667 00:29:21,560 --> 00:29:23,920 陌ndi, nec蓹 ki, edir m蓹lumat geri g蓹lm蓹k? 668 00:29:23,920 --> 00:29:25,890 B蓹li, bu hesab. 669 00:29:25,890 --> 00:29:30,360 Get default n枚v yolla v蓹 bu super sad蓹 m眉dd蓹t var. 670 00:29:30,360 --> 00:29:34,530 --that nec蓹 bir brauzer dikt蓹 server m蓹lumat al谋r. 671 00:29:34,530 --> 00:29:38,270 >> Ba艧qa s枚zl蓹, deyil, yaln谋z 莽ox da axmaq-艧irk蓹t蓹 Margot m蓹nim 蓹l uzadan, 672 00:29:38,270 --> 00:29:42,100 M蓹n, h蓹qiq蓹t蓹n, bir brauzer olsayd谋, m蓹n z蓹rf蓹 daxilind蓹 m枚vzusu olard谋, 673 00:29:42,100 --> 00:29:46,580 M蓹n 蓹vv蓹l Rob foto il蓹 kimi, bir s枚z眉n deyir ki, m蓹tn mesaj谋 674 00:29:46,580 --> 00:29:53,084 bu kimi bir 艧ey, get / http / 1.1hostwww.google.com 675 00:29:53,084 --> 00:29:56,670 v蓹 ya margot.com v蓹 ya h蓹r hans谋 server ad谋 olmas谋 ba艧 ver蓹 bil蓹r. 676 00:29:56,670 --> 00:29:58,540 V蓹 sonra, dot dot, b蓹zi dig蓹r m蓹hsullar谋 n枚qt蓹. 677 00:29:58,540 --> 00:30:00,310 >> Amma sanki, daxili z蓹rfl蓹rin ki 678 00:30:00,310 --> 00:30:03,290 kifay蓹t q蓹d蓹r sad蓹 m蓹tn ola kimi mesaj. 679 00:30:03,290 --> 00:30:05,990 Al谋nandan sonra ki, Margot ki , a莽maq m蓹zmunu oxumaq, 680 00:30:05,990 --> 00:30:07,640 v蓹 buna g枚r蓹 cavab. 681 00:30:07,640 --> 00:30:12,000 陌ndi, bu bir az var Bu n眉mun蓹 il蓹 qeyri-a艧kar. 682 00:30:12,000 --> 00:30:16,130 Amma / almaq, 莽izgi n蓹 y蓹qin ki, yaln谋z 蓹sasl谋, istinad 683 00:30:16,130 --> 00:30:20,470 il蓹 tan谋艧l谋q g眉nd蓹lik h蓹yatda web g蓹z蓹n? 684 00:30:20,470 --> 00:30:22,206 脟izgi n蓹dir? 685 00:30:22,206 --> 00:30:23,147 >> Auditoriya: [i艧itilemez]. 686 00:30:23,147 --> 00:30:24,480 DAVID MALAN: bir escape ard谋c谋ll谋臒谋. 687 00:30:24,480 --> 00:30:27,280 Pis bir fikir deyil, amma 眉mumiyy蓹tl蓹 xilas ard谋c谋ll谋臒谋 dig蓹r yol getm蓹k. 688 00:30:27,280 --> 00:30:28,760 Ad蓹t蓹n bir backslash olacaq. 689 00:30:28,760 --> 00:30:29,560 Amma bir pis fikir. 690 00:30:29,560 --> 00:30:30,060 B蓹li? 691 00:30:30,060 --> 00:30:31,190 692 00:30:31,190 --> 00:30:31,830 A g枚st蓹rici. 693 00:30:31,830 --> 00:30:35,100 H蓹m莽inin yax艧谋 fikir, lakin ki, daha sad蓹. 694 00:30:35,100 --> 00:30:36,250 Ev directory. 695 00:30:36,250 --> 00:30:38,380 Bir sabit k枚k, bel蓹 dan谋艧maq. 696 00:30:38,380 --> 00:30:39,890 Bizim 蓹n bu yaz谋n yoxdur. 697 00:30:39,890 --> 00:30:43,150 Amma texniki siz ist蓹yirdi Bu g眉n super d眉zg眉n olmal谋d谋r, 698 00:30:43,150 --> 00:30:50,056 茝g蓹r bir 艧ey getm蓹k olard谋 http://www.facebook.com/ kimi. 699 00:30:50,056 --> 00:30:52,580 >> 陌ndi, dedim bizim 蓹n olmazd谋 莽izgi yazaraq narahat. 700 00:30:52,580 --> 00:30:54,770 V蓹 s蓹mimi, 蓹n brauzerl蓹rd蓹, Chrome daxil, 701 00:30:54,770 --> 00:30:57,019 h蓹tta g枚st蓹r蓹n narahat deyil Biz蓹 i艧ar蓹si bu g眉n 702 00:30:57,019 --> 00:30:59,060 onlar kimi yaln谋z 莽眉nki sad蓹 v蓹 q谋sa ola bil蓹r. 703 00:30:59,060 --> 00:31:02,920 Amma 莽izgi yaln谋z getm蓹k dem蓹kdir 眉莽眉n www.facebook.com v蓹 almaq 704 00:31:02,920 --> 00:31:08,076 do臒ramaq, sabit k枚k, facebook.com u m蓹nim s蓹hif蓹. 705 00:31:08,076 --> 00:31:09,240 N蓹 protokol istifad蓹? 706 00:31:09,240 --> 00:31:14,910 Yax艧谋, versiyas谋 1.1 istifad蓹 HTTP kimi tan谋nan bu 艧ey. 707 00:31:14,910 --> 00:31:16,750 >> Bu server, v蓹 ya Margot-- v蓹 yolu il蓹, n蓹 708 00:31:16,750 --> 00:31:17,920 M蓹n bu siz蓹 istifad蓹 edir蓹m ki, a臒la? 709 00:31:17,920 --> 00:31:18,419 OK. 710 00:31:18,419 --> 00:31:19,430 Bel蓹likl蓹, biz indi yax艧谋 deyilik. 711 00:31:19,430 --> 00:31:23,910 Bir il蓹 indi Margot cavab olan daxili 枚z z蓹rf, 712 00:31:23,910 --> 00:31:26,040 eyni m蓹tn mesaj. 713 00:31:26,040 --> 00:31:30,640 Olan ilk line edir yep, m蓹n HTTP versiyas谋 1.1 dan谋艧maq. 714 00:31:30,640 --> 00:31:34,930 200 status kodu olan yaln谋z b眉t眉n OK dem蓹kdir. 715 00:31:34,930 --> 00:31:37,440 M蓹n siz蓹 arad谋臒谋n谋z s蓹hif蓹 var. 716 00:31:37,440 --> 00:31:44,040 >> Eyni zamanda, Content-Type: text / html, bu dey蓹r蓹k Margot yar谋-gizli yoldur, 717 00:31:44,040 --> 00:31:46,190 n蓹 t蓹l蓹b bir web s蓹hif蓹. 718 00:31:46,190 --> 00:31:50,530 V蓹 bu n枚v眉 bel蓹 dan谋艧maq var dem蓹k olar ki, d蓹yi艧蓹n m蓹nada kimi, 719 00:31:50,530 --> 00:31:52,060 lakin bu 莽ox y眉ks蓹k s蓹viyy蓹d蓹 indi. 720 00:31:52,060 --> 00:31:55,380 Onun data n枚v眉 m蓹tn lakin x眉susi HTML. 721 00:31:55,380 --> 00:31:57,210 Biz tezlikl蓹 g枚r蓹c蓹ksiniz dili. 722 00:31:57,210 --> 00:31:58,700 >> V蓹 sonra, b蓹zi dig蓹r m蓹hsullar谋 var. 723 00:31:58,700 --> 00:32:02,060 Bel蓹 ki, dig蓹r m蓹hsullar谋 s枚z眉n n蓹dir Facebook il蓹 cavab verir. 724 00:32:02,060 --> 00:32:03,400 Bel蓹 ki, da bu g枚r蓹k. 725 00:32:03,400 --> 00:32:05,380 M蓹n蓹 davam v蓹 a莽maq bildirin M蓹nim laptop Chrome up 726 00:32:05,380 --> 00:32:07,980 siz ed蓹 bil蓹rsiniz habel蓹 枚z komp眉ter. 727 00:32:07,980 --> 00:32:12,035 V蓹 m蓹n ir蓹li getm蓹k 眉莽眉n gedir蓹m v蓹 www.facebook.com a莽maq. 728 00:32:12,035 --> 00:32:12,535 Daxil edin. 729 00:32:12,535 --> 00:32:13,590 730 00:32:13,590 --> 00:32:16,264 M蓹n burada bu tan谋艧 ekran almaq. 731 00:32:16,264 --> 00:32:17,930 Amma indi m蓹n ba艧qa bir 艧ey etm蓹k gedir蓹m. 732 00:32:17,930 --> 00:32:21,670 M蓹n ir蓹li getm蓹k gedir蓹m v蓹 , Developer bax getm蓹k. 733 00:32:21,670 --> 00:32:24,190 V蓹 Developer getm蓹k Tools, siz olmal谋d谋r 734 00:32:24,190 --> 00:32:27,377 Sizin komp眉ter Chrome 蓹rzind蓹, 蓹n az谋 cihaz daxilind蓹. 735 00:32:27,377 --> 00:32:29,460 M蓹n bu h蓹r蓹k蓹t etm蓹k 眉莽眉n gedir蓹m Burada 艧ey, v蓹 siz etdiyiniz 736 00:32:29,460 --> 00:32:33,060 b眉t眉n d蓹st蓹 g枚rm蓹k olacaq burada sirli m蓹tn. 737 00:32:33,060 --> 00:32:37,920 >> Bu Margot daxilind蓹 qoymaq n蓹 莽谋x谋r ki, M蓹n蓹 cavab ki, z蓹rfl蓹rin 738 00:32:37,920 --> 00:32:41,472 HTML adl谋 dil, Hypertext Markup Language. 739 00:32:41,472 --> 00:32:43,680 Bu bir proqramla艧d谋rma deyil dil 莽眉nki bilm蓹z bu 740 00:32:43,680 --> 00:32:46,679 loops, v蓹 艧蓹rait yoxdur, v蓹 funksiyalar谋, v蓹 kimi 艧eyl蓹r. 741 00:32:46,679 --> 00:32:47,870 Bu bir bi莽imlendirme dili var. 742 00:32:47,870 --> 00:32:52,110 Ki, x眉susi sintaksis var adl谋 tags v蓹 atributlar谋 743 00:32:52,110 --> 00:32:57,120 ke莽irm蓹k 眉莽眉n n蓹 bir brauzer deyir ekran v蓹 nec蓹 ke莽irm蓹k 眉莽眉n. 744 00:32:57,120 --> 00:32:57,920 M蓹rk蓹zi olmal谋d谋r? 745 00:32:57,920 --> 00:32:58,920 Bu qal谋n 眉zl眉 olmal谋d谋r? 746 00:32:58,920 --> 00:33:00,270 Q谋rm谋z谋, ya艧谋l, mavi? 747 00:33:00,270 --> 00:33:01,390 Bu bir bi莽imlendirme dili var. 748 00:33:01,390 --> 00:33:04,970 Ki, bir brauzer deyir ekranda n蓹 g枚st蓹rm蓹k 眉莽眉n. 749 00:33:04,970 --> 00:33:10,530 Bel蓹 ki, bu b眉t眉n, sanki edir HTML v蓹 daha Facebook server 750 00:33:10,530 --> 00:33:13,950 spitting v蓹 ki Chrome v蓹 IE v蓹 Firefox var 751 00:33:13,950 --> 00:33:17,820 t蓹r蓹find蓹n t蓹rtib edilmi艧dir onlar谋n m眉vafiq m眉蓹llifl蓹ri anlamaq 眉莽眉n. 752 00:33:17,820 --> 00:33:20,780 >> V蓹 蓹slind蓹, bu bir daha az messier. 753 00:33:20,780 --> 00:33:24,290 Siz 蓹v蓹zin蓹, bax getm蓹k 蓹g蓹r, Developer, View Source, 754 00:33:24,290 --> 00:33:27,550 bu h蓹qiq蓹t蓹n n蓹 edir Facebook h蓹yata qoyulmas谋 edir. 755 00:33:27,550 --> 00:33:29,800 Be艧 s谋f谋r Sort stil 眉莽眉n, sa臒, biz 蓹g蓹r 756 00:33:29,800 --> 00:33:31,479 Bu y蓹qin ki, yax艧谋 deyil ki, n蓹tic蓹 莽谋xarmaq. 757 00:33:31,479 --> 00:33:34,270 Amma s蓹mimi, onlar il蓹 眉z 蓹ld蓹 ed蓹 bil蓹rsiniz Bu q蓹d蓹r xidm蓹t edirik, 莽眉nki 758 00:33:34,270 --> 00:33:36,090 web pages milyardlarla g眉nd蓹, h蓹qiq蓹t蓹n, 759 00:33:36,090 --> 00:33:40,040 vaxt, v蓹 bayt zay ist蓹mir蓹m, v蓹 pul n蓹tic蓹d蓹 枚t眉r眉c眉 760 00:33:40,040 --> 00:33:43,000 Yeni x蓹tt kimi 艧eyl蓹r simvol v蓹 bo艧luq v蓹 Ni艧anlar 761 00:33:43,000 --> 00:33:46,870 Siz bant 眉莽眉n s蓹rf edirik, 莽眉nki laz谋ms谋z ISP. 762 00:33:46,870 --> 00:33:49,580 >> Bel蓹 ki, h蓹qiq蓹t蓹n, bu n蓹z蓹rd蓹 tutulur bu 艧蓹kild蓹 minified edil蓹c蓹k. 763 00:33:49,580 --> 00:33:51,740 Amma Chrome n蓹 edir biz蓹, bu alaraq 764 00:33:51,740 --> 00:33:56,310 tamamil蓹 kimi g枚r眉n眉r olan bu HTML, bir mess v蓹 insan anla艧谋lmaz, 765 00:33:56,310 --> 00:33:57,580 v蓹 yaln谋z format. 766 00:33:57,580 --> 00:34:00,280 Bu bel蓹 莽ap olduqca biz 蓹traf谋nda a臒l谋m谋z谋 kesmek olar 767 00:34:00,280 --> 00:34:01,452 daha asan bir az. 768 00:34:01,452 --> 00:34:02,660 Amma daha maraql谋 bu. 769 00:34:02,660 --> 00:34:06,180 陌ndi Chrome bas谋n, deyil elementl蓹ri lakin 艧蓹b蓹k蓹, 770 00:34:06,180 --> 00:34:08,520 M蓹n bir az g枚rm蓹k gedir蓹m ki, giri艧 ekran 771 00:34:08,520 --> 00:34:11,040 M蓹n蓹 b眉t眉n g枚st蓹rm蓹k niyy蓹tind蓹dir HTTP istekleri 772 00:34:11,040 --> 00:34:14,380 ki, h蓹qiq蓹t蓹n geri gedir v蓹 ir蓹li m蓹n蓹 v蓹 Facebook v蓹 ya m蓹n蓹 aras谋nda 773 00:34:14,380 --> 00:34:17,219 v蓹 Margot m蓹n 蓹g蓹r bir t蓹l蓹bi daha 莽ox. 774 00:34:17,219 --> 00:34:21,409 >> M蓹n ir蓹li getm蓹k v蓹 bas谋n gedir蓹m burada Chrome yenid蓹n icon. 775 00:34:21,409 --> 00:34:23,850 V蓹 indi, bir d蓹st蓹 stuff alt谋ndak谋 ke莽mi艧 u莽du. 776 00:34:23,850 --> 00:34:25,710 M蓹n h蓹r蓹k蓹t etm蓹k 眉莽眉n gedir蓹m geri 莽ox 眉st q蓹d蓹r. 777 00:34:25,710 --> 00:34:29,350 陌ndi, bu, qeyd ilk m蓹nim browser t蓹l蓹b 778 00:34:29,350 --> 00:34:31,340 Made www.facebook.com idi. 779 00:34:31,340 --> 00:34:34,199 >> Bu almaq istifad蓹 edir yaln谋z dem蓹kdir mexanizmi 780 00:34:34,199 --> 00:34:37,810 Bu m蓹tn dil dan谋艧an ki, bir an 蓹vv蓹l bir n眉mun蓹 g枚rd眉m. 781 00:34:37,810 --> 00:34:41,909 V蓹 眉st蓹lik, bu 莽谋x谋r cavab ki, Facebook 782 00:34:41,909 --> 00:34:46,070 M蓹n蓹 dem蓹kdir ki, 200 OK verdi sual web page tap谋ld谋. 783 00:34:46,070 --> 00:34:49,630 >> M蓹n bu s谋rada bas谋n varsa, m蓹n h蓹qiq蓹t蓹n bil蓹rsiniz bu m枚vzular bir az daha 莽ox 784 00:34:49,630 --> 00:34:50,800 ayd谋n. 785 00:34:50,800 --> 00:34:52,810 Bu uzun 蓹vv蓹l daha m蓹nada ed蓹c蓹k. 786 00:34:52,810 --> 00:34:57,020 Amma m蓹nim browser bir g枚nd蓹rir ki, g枚r眉rs眉n眉z ev sahibi kimi informasiya b眉t眉n 莽ox, 787 00:34:57,020 --> 00:34:59,320 v蓹 metodu, v蓹 cookies. 788 00:34:59,320 --> 00:35:00,879 Biz uzun 蓹vv蓹l geri o g蓹lm蓹k laz谋md谋r. 789 00:35:00,879 --> 00:35:03,170 V蓹 n蓹hay蓹t anlamaq laz谋md谋r n蓹 cookie 蓹slind蓹 790 00:35:03,170 --> 00:35:04,930 v蓹 nec蓹 tezlikl蓹 onlar谋 g枚nd蓹rilm蓹si olacaq. 791 00:35:04,930 --> 00:35:06,900 >> V蓹 n蓹 g枚r蓹 bil蓹rsiniz Facebook, geri g枚nd蓹rir 792 00:35:06,900 --> 00:35:12,230 M蓹tnin m蓹zmun n枚v眉 daxil olmaqla, HTML, cari tarixi zaman, onun gizlilik 793 00:35:12,230 --> 00:35:15,530 siyas蓹t, v蓹 ya onlar谋n olmamas谋, v蓹 cookies sonra, n蓹hay蓹t, bir s谋ra 794 00:35:15,530 --> 00:35:18,050 m眉蓹yy蓹n olunur ki, Sizin komp眉ter h蓹m莽inin. 795 00:35:18,050 --> 00:35:20,140 Amma biz uzun 蓹vv蓹l o ayr谋 dola艧maq laz谋md谋r. 796 00:35:20,140 --> 00:35:23,950 >> Lakin q谋sa, h蓹r zaman siz il 眉莽眉n indi bir web page ziyar蓹t etdi 797 00:35:23,950 --> 00:35:26,970 Siz mesaj g枚nd蓹rilm蓹si etdik M蓹n bir z蓹rfin g枚nd蓹rildiyi bir 798 00:35:26,970 --> 00:35:28,230 Margot v蓹 Dan. 799 00:35:28,230 --> 00:35:31,210 V蓹 geri 蓹ld蓹 etdik Facebook bu kimi cavab. 800 00:35:31,210 --> 00:35:35,650 Ancaq bundan ba艧qa olan n蓹 tahmin Facebook v蓹 Google a莽谋qlan谋r, 801 00:35:35,650 --> 00:35:39,101 v蓹 h蓹r k蓹s h蓹r d蓹f蓹 bir web s蓹hif蓹sini ziyar蓹t? 802 00:35:39,101 --> 00:35:42,100 H蓹r xaricind蓹 n蓹dir Sizin komp眉ter g枚nd蓹rilm蓹si edilmi艧dir Envelope? 803 00:35:42,100 --> 00:35:43,800 804 00:35:43,800 --> 00:35:45,590 Sizin IP 眉nvan谋, sa臒? 805 00:35:45,590 --> 00:35:48,720 Ba艧谋na b蓹lk蓹 sizin ad谋 se, ancaq IP 眉nvan谋. 806 00:35:48,720 --> 00:35:52,410 V蓹 yaln谋z, 蓹n n枚qt蓹l蓹r qo艧ulmaq imkan sonra xidm蓹tl蓹ri, kullan谋yorsan谋z 807 00:35:52,410 --> 00:35:54,430 web kimi, v蓹 ya BitTorrent, v蓹 h蓹yat, 808 00:35:54,430 --> 00:35:56,860 v蓹 bir komp眉ter qeydiyyatdan etdik Harvard kimi bir yerd蓹, 809 00:35:56,860 --> 00:36:01,080 Kims蓹 yerd蓹 ki, Y蓹hya bilir Harvard IP 眉nvanlar bu, bu dot 810 00:36:01,080 --> 00:36:02,350 Bu n枚qt蓹, bu n枚qt蓹. 811 00:36:02,350 --> 00:36:06,730 >> V蓹 h蓹qiq蓹t蓹n, logs o, h蓹m d蓹 saxlan谋l谋r bil蓹r bu kimi kampus, bir Comcast 艧蓹b蓹k蓹, 812 00:36:06,730 --> 00:36:10,270 Verizon, v蓹 ya s蓹mimi da NSA biz bu yax谋nlarda 枚yr蓹ndim kimi, 813 00:36:10,270 --> 00:36:14,040 ki, olduqca 莽ox h蓹r 艧ey a莽ar Siz internet etdikl蓹rini. 814 00:36:14,040 --> 00:36:15,910 V蓹 biz geri g蓹lm蓹k laz谋md谋r g蓹l蓹c蓹k sinif, bu 815 00:36:15,910 --> 00:36:18,990 Bu n蓹tic蓹l蓹ri 眉zr蓹 dizayn q蓹rarlar谋 v蓹 t蓹hl眉k蓹sizlik. 816 00:36:18,990 --> 00:36:21,920 >> Amma h蓹qiq蓹t h蓹qiq蓹t蓹n, edir b眉t眉n 莽ox gizlilik yoxdur. 817 00:36:21,920 --> 00:36:25,380 H蓹r yerd蓹 ziyar蓹t etdik h蓹r d蓹f蓹 web, sizin t蓹r蓹fd蓹n g枚st蓹r蓹n edilmi艧dir 818 00:36:25,380 --> 00:36:28,720 v蓹 蓹n az谋 IP 眉nvan谋 a艧kar. 819 00:36:28,720 --> 00:36:35,930 K蓹nara scary qeyd, biz n蓹 ed蓹 bil蓹rsiniz bir web page pi艧ik kimi 艧eyl蓹r embed? 820 00:36:35,930 --> 00:36:40,730 >> Bel蓹likl蓹, biz cavab bir d蓹st蓹 var ki, server geri g蓹l蓹 bil蓹r. 821 00:36:40,730 --> 00:36:42,340 V蓹 biz bu g眉n b眉t眉n g枚rm蓹k olmaz. 822 00:36:42,340 --> 00:36:43,800 Amma 200 yax艧谋d谋r. 823 00:36:43,800 --> 00:36:46,622 V蓹 y蓹qin ki, g枚r眉n眉r deyilik b眉t眉n bunlar 蓹vv蓹l bir insan kimi. 824 00:36:46,622 --> 00:36:48,580 Amma y蓹qin ki, g枚rd眉m Bu 蓹n az谋 bir. 825 00:36:48,580 --> 00:36:50,204 Bu Hans谋 tan谋艧 ola bil蓹r? 826 00:36:50,204 --> 00:36:51,097 Auditoriya: 404 827 00:36:51,097 --> 00:36:51,930 DAVID MALAN: Bel蓹 404. 828 00:36:51,930 --> 00:36:52,695 Fayl tap谋lmad谋. 829 00:36:52,695 --> 00:36:55,320 V蓹 h蓹qiq蓹t蓹n, g枚rm蓹k olacaq Bu program 枚z眉n眉z眉. 830 00:36:55,320 --> 00:37:00,220 404 yaln谋z t蓹l蓹b fayl dem蓹kdir sad蓹c蓹, 莽izgi v蓹 ya bir 艧ey do臒ramaq 831 00:37:00,220 --> 00:37:00,950 yoxdur. 832 00:37:00,950 --> 00:37:04,380 V蓹 bir web server ad蓹t蓹n n蓹tic蓹sind蓹 404 il蓹 cavab 833 00:37:04,380 --> 00:37:09,680 >> Eyni zamanda, biz tezlikl蓹 g枚r蓹c蓹ksiniz ki, mesaj m蓹zmunu 834 00:37:09,680 --> 00:37:11,800 HTML kimi tan谋nan bu dil var. 835 00:37:11,800 --> 00:37:15,070 V蓹 bu super edir HTML sad蓹 par莽as谋n谋 836 00:37:15,070 --> 00:37:18,380 ba艧qa he莽 bir 艧ey yoxdur ekranda Salam d眉nya g枚st蓹rilir. 837 00:37:18,380 --> 00:37:21,830 H蓹qiq蓹t蓹n, bu 眉st g枚rm蓹k bir 艧ey bir s蓹n蓹d n枚v眉 adl谋 838 00:37:21,830 --> 00:37:24,220 yaln谋z hey deyir ki, b蓹yannam蓹, d眉nya. 839 00:37:24,220 --> 00:37:25,964 Bu fayl HTML var. 840 00:37:25,964 --> 00:37:28,380 V蓹 sonra, HTML n枚vb蓹ti bit yazmaq olacaq ki, 841 00:37:28,380 --> 00:37:30,930 Bu, a莽谋q bracket sonra s枚z HTML, 842 00:37:30,930 --> 00:37:33,670 sonra qapal谋 bracket, v蓹 sonra a莽谋q ba艧, v蓹 yax谋n bracket. 843 00:37:33,670 --> 00:37:36,000 Bel蓹 ki, q谋sa, h蓹qiq蓹t蓹n ed蓹k daha mexaniki bunu. 844 00:37:36,000 --> 00:37:39,980 , M蓹nim cihaz daxil ed蓹k lakin yerd蓹 bunu ed蓹 bil蓹rsiniz 845 00:37:39,980 --> 00:37:42,110 Siz bir m蓹tn redaktoru var. 846 00:37:42,110 --> 00:37:45,105 >> M蓹n ir蓹li getm蓹k gedir蓹m v蓹 hello.html adl谋 bir fayl saxlamaq. 847 00:37:45,105 --> 00:37:46,440 848 00:37:46,440 --> 00:37:49,640 M蓹n m蓹nim masa 眉st眉 qoymaq gedir蓹m 陌ndi super sad蓹 saxlamaq. 849 00:37:49,640 --> 00:37:51,760 M蓹n gedir蓹m d蓹qiq n蓹 m蓹n yaln谋z g枚rd眉m. 850 00:37:51,760 --> 00:37:55,452 Bel蓹 ki, doc n枚v眉 HTML, a莽谋q bracket HTML. 851 00:37:55,452 --> 00:37:57,910 陌ndi, bildiri艧, m蓹n gedir蓹m preemptively 蓹ks yoxdur. 852 00:37:57,910 --> 00:38:01,000 V蓹 蓹ks, m蓹n dem蓹k Eyni tag, bel蓹 ki, dan谋艧maq 853 00:38:01,000 --> 00:38:02,767 ancaq bir ir蓹li 莽izgi il蓹 ba艧lay谋r. 854 00:38:02,767 --> 00:38:04,600 V蓹 sonra, burada, M蓹n dem蓹k gedir蓹m, ba艧, 855 00:38:04,600 --> 00:38:07,530 h蓹r 莽谋x谋r ki, 莽眉nki web s蓹hif蓹 qondarma ba艧 olan 856 00:38:07,530 --> 00:38:10,300 ad谋 gedir ki, stuff S蓹hif蓹nin 莽ox 眉st, bar. 857 00:38:10,300 --> 00:38:13,026 Ad谋 yaln谋z burada salam olacaq. 858 00:38:13,026 --> 00:38:15,150 陌ndi, m蓹n gedir蓹m bu web page bir b蓹d蓹n. 859 00:38:15,150 --> 00:38:18,130 Bel蓹 ki, h蓹r web page var, h蓹m d蓹 ba艧 眉st q蓹d蓹r v蓹 b蓹d蓹n 860 00:38:18,130 --> 00:38:19,522 olan s蓹hif蓹 i莽alat edir. 861 00:38:19,522 --> 00:38:21,980 V蓹 burada m蓹n yaln谋z gedir蓹m salam d眉nya kimi bir 艧ey dem蓹k. 862 00:38:21,980 --> 00:38:23,440 V蓹 m蓹n bu fayl saxlamaq 眉莽眉n gedir蓹m. 863 00:38:23,440 --> 00:38:26,150 陌ndi gedit azaltmaq 蓹g蓹r, bir az fayl var, baxmaq 864 00:38:26,150 --> 00:38:28,470 m蓹nim masa 眉st眉 hello.html 莽a臒谋r谋b. 865 00:38:28,470 --> 00:38:30,820 陌ndi ki, bir server deyil h蓹l蓹 枚zl眉y眉nd蓹, H蓹qiq蓹t蓹n, bu 866 00:38:30,820 --> 00:38:33,040 yaln谋z burada 枚z 艧蓹xsi masa 眉st眉. 867 00:38:33,040 --> 00:38:36,910 Amma Chrome a莽maq v蓹 蓹g蓹r Control edib O-- sual pi艧ik var. 868 00:38:36,910 --> 00:38:38,710 Ve m蓹nim masa 眉st眉 getm蓹k. 869 00:38:38,710 --> 00:38:43,730 >> V蓹 m蓹n orada, hello.html a莽maq H蓹tta m蓹nim super sad蓹 web page edir. 870 00:38:43,730 --> 00:38:45,490 M蓹nim s蓹hif蓹 orqan谋 v蓹 bu a臒 p蓹nc蓹r蓹 871 00:38:45,490 --> 00:38:47,610 burada salam d眉nya il蓹 orqan谋d谋r. 872 00:38:47,610 --> 00:38:51,020 V蓹 ba艧 ad谋 S蓹hif蓹nin orada ni艧an谋 edir. 873 00:38:51,020 --> 00:38:53,020 V蓹 biz g枚rm蓹k olacaq Bu super var tezlikl蓹 874 00:38:53,020 --> 00:38:55,004 el蓹c蓹 d蓹 dig蓹r pages a莽maq 眉莽眉n sad蓹. 875 00:38:55,004 --> 00:38:57,670 M蓹s蓹l蓹n, m蓹n getm蓹k 眉莽眉n gedir蓹m b枚l眉艧d眉r眉lm蓹si kodu b蓹zi daxil 876 00:38:57,670 --> 00:39:00,230 bu h蓹ft蓹, m蓹nb蓹 yeddi, m蓹n gedir蓹m 877 00:39:00,230 --> 00:39:03,150 JPEG deyil a莽maq bu o臒lan burada. 878 00:39:03,150 --> 00:39:08,430 Amma image.html a莽maq 眉莽眉n gedir蓹m son n蓹tic蓹d蓹 bu kimi g枚r眉n眉r. 879 00:39:08,430 --> 00:39:15,140 Amma m蓹n蓹 indi gedit bu q蓹d蓹r a莽谋q olsun, v蓹 Dropbox m蓹nb蓹yi yeddi getm蓹k 880 00:39:15,140 --> 00:39:17,470 v蓹 image.html. 881 00:39:17,470 --> 00:39:19,430 882 00:39:19,430 --> 00:39:21,960 >> Bu 莽ox yaln谋z biz tezlikl蓹 g枚r蓹c蓹ksiniz kimi 艧蓹rh. 883 00:39:21,960 --> 00:39:25,210 Amma Grumpy qoymaq ist蓹yirsinizs蓹 Bu web page daxilind蓹 Cat, 884 00:39:25,210 --> 00:39:29,890 ba艧qa a莽谋q bracket qoymaq kifay蓹tdir, sonra s枚z image v蓹 ya img 885 00:39:29,890 --> 00:39:33,080 q谋sa, sonra alternativ accessibility s蓹b蓹bl蓹r蓹 g枚r蓹 m蓹tn 886 00:39:33,080 --> 00:39:35,890 Kims蓹 bir ekran var oxucu v蓹 ya kimi bir 艧ey. 887 00:39:35,890 --> 00:39:38,260 Olan m蓹nb蓹, n蓹 var , fayl cat.jpeg ad谋. 888 00:39:38,260 --> 00:39:39,280 889 00:39:39,280 --> 00:39:41,400 >> V蓹 sonra, bu, 莽眉nki tag bir az x眉susi var, 890 00:39:41,400 --> 00:39:44,140 biz, ir蓹li 莽izgi qoymaq Biz tag daxilind蓹, g枚r蓹c蓹ksiniz. 891 00:39:44,140 --> 00:39:47,180 Amma son n蓹tic蓹 bir web bu kimi g枚r眉n眉r ki, s蓹hif蓹. 892 00:39:47,180 --> 00:39:51,320 Bel蓹 ki, q谋sa, biz olacaq n蓹 web istifad蓹 ed蓹r蓹k zamanla indi bunu 893 00:39:51,320 --> 00:39:54,200 v蓹 web pages yaratmaq n蓹tic蓹d蓹 konteyner 894 00:39:54,200 --> 00:39:57,280 yaln谋z kimi silly 艧eyl蓹r 眉莽眉n 艧蓹kill蓹r v蓹 ba臒lant谋lar, v蓹 masalar, 895 00:39:57,280 --> 00:40:00,770 v蓹, bulleted siyah谋lar谋, v蓹 kimi h蓹m d蓹 biz蓹 枚z眉m眉z眉 verm蓹k 896 00:40:00,770 --> 00:40:04,890 qrafik istifad蓹莽i interfeysi, bir GUI, biz Breakout biz n蓹 f蓹rqli. 897 00:40:04,890 --> 00:40:08,330 >> Amma bu m眉hitd蓹, biz ist蓹yirik PHP kimi dil istifad蓹 ed蓹r蓹k ba艧lamaq 眉莽眉n gedir, 898 00:40:08,330 --> 00:40:10,960 v蓹 JavaScript, veril蓹nl蓹r bazas谋 SQL adl谋 dil, 899 00:40:10,960 --> 00:40:14,050 m眉艧t蓹ri-side scripting dili JavaScript adl谋 h蓹qiq蓹t蓹n yaratmaq 900 00:40:14,050 --> 00:40:18,760 b眉t眉n daha dinamik interfeys lakin bir 莽ox, daha 莽ox tan谋艧 kontekstind蓹. 901 00:40:18,760 --> 00:40:21,970 Amma bundan 蓹vv蓹l, ed蓹k bir g枚z il蓹 bu g眉n ba臒lamaq, 902 00:40:21,970 --> 00:40:25,280 kimi s枚z, h蓹qiq蓹t蓹n neler internet il蓹 ba艧l谋q alt谋nda 903 00:40:25,280 --> 00:40:26,060 枚z眉. 904 00:40:26,060 --> 00:40:28,400 >> Bu g眉n 眉莽眉n m眉蓹yy蓹n internet bil蓹r ki, 905 00:40:28,400 --> 00:40:31,390 艧eyi k枚莽眉rm蓹k 眉莽眉n istifad蓹 edil蓹 HTTP 眉z蓹rind蓹 web pages kimi 906 00:40:31,390 --> 00:40:33,150 M蓹n Margot 蓹l 蓹vv蓹ll蓹r sars谋dan kimi. 907 00:40:33,150 --> 00:40:36,470 Amma dig蓹r bir 莽ox var TCP v蓹 IP istifad蓹 xidm蓹tl蓹ri 908 00:40:36,470 --> 00:40:39,800 veril蓹n biz almaq ki, Biz burada g枚r蓹c蓹ksiniz kimi i艧 909 00:40:39,800 --> 00:40:42,477 Bu film ki, laz谋md谋r Bu g眉n sonuna bizi. 910 00:40:42,477 --> 00:40:45,956 >> [Video playback] 911 00:40:45,956 --> 00:41:31,710 912 00:41:31,710 --> 00:41:35,870 >> Ilk d蓹f蓹 脺莽眉n tarixi, insan v蓹 ma艧谋n 913 00:41:35,870 --> 00:41:38,940 birlikd蓹 i艧 bir yuxu h蓹yata ke莽irilm蓹si var. 914 00:41:38,940 --> 00:41:41,780 Bilir ki birl蓹艧dir蓹n g眉c he莽 bir co臒rafi s蓹rh蓹dl蓹ri. 915 00:41:41,780 --> 00:41:45,010 Irqi, m蓹sl蓹k, v蓹 ya r蓹ng verm蓹d蓹n. 916 00:41:45,010 --> 00:41:49,130 Yeni era tapa rabit蓹 h蓹qiq蓹t蓹n insanlar谋 bir araya g蓹tirir. 917 00:41:49,130 --> 00:41:51,795 Bu Net Dawn. 918 00:41:51,795 --> 00:41:54,920 919 00:41:54,920 --> 00:41:56,450 >> Bu i艧l蓹ri nec蓹 bilm蓹k ist蓹yirsiniz? 920 00:41:56,450 --> 00:42:00,260 Ba艧lamaq 眉莽眉n buraya bas谋n sizin xalis daxil s蓹yah蓹t. 921 00:42:00,260 --> 00:42:02,780 922 00:42:02,780 --> 00:42:05,380 陌ndi n蓹 oldu 茝g蓹r link t谋klayan zaman? 923 00:42:05,380 --> 00:42:07,190 Siz m蓹lumat ax谋n谋 ba艧lad谋. 924 00:42:07,190 --> 00:42:09,790 Bu informasiya a艧a臒谋 s蓹f蓹r Sizin 艧蓹xsi mail ota臒a 925 00:42:09,790 --> 00:42:14,040 c蓹nab IP paketl蓹ri zaman, yaz谋lar谋 Bu, onun yolunda g枚nd蓹rir. 926 00:42:14,040 --> 00:42:16,030 >> H蓹r bir paket m蓹hdud 枚l莽眉s眉. 927 00:42:16,030 --> 00:42:19,900 Po莽t otaq b枚lm蓹k nec蓹 olmal谋d谋r m蓹lumat v蓹 nec蓹 paketi. 928 00:42:19,900 --> 00:42:23,400 陌ndi paketi bir etiket laz谋md谋r 蓹h蓹miyy蓹tli m蓹lumatlar olan, 929 00:42:23,400 --> 00:42:27,480 g枚nd蓹r蓹n 眉nvan谋, al谋c谋 kimi 眉nvan谋 v蓹 bu paket n枚v眉. 930 00:42:27,480 --> 00:42:41,070 931 00:42:41,070 --> 00:42:43,700 >> Bu paket 脟眉nki internet 眉z蓹rind蓹 gedi艧, 932 00:42:43,700 --> 00:42:46,240 bu da bir 眉nvan olur proxy server 眉莽眉n olan 933 00:42:46,240 --> 00:42:47,990 x眉susi funksiyas谋 var biz sonra g枚r蓹c蓹ksiniz kimi. 934 00:42:47,990 --> 00:42:49,080 935 00:42:49,080 --> 00:42:53,430 Paket art谋q 眉z蓹rind蓹 ba艧lad谋 yerli 艧蓹b蓹k蓹 v蓹 ya LAN. 936 00:42:53,430 --> 00:42:56,220 Bu 艧蓹b蓹k蓹 qo艧ulmaq 眉莽眉n istifad蓹 olunur b眉t眉n yerli komp眉ter, 937 00:42:56,220 --> 00:42:58,760 mar艧rutla艧d谋r谋c谋lar谋 printerl蓹r, v蓹 sair informasiya m眉badil蓹si 938 00:42:58,760 --> 00:43:00,790 fiziki 蓹rzind蓹 Binan谋n divarlar谋. 939 00:43:00,790 --> 00:43:04,840 Bu LAN olduqca n蓹zar蓹tsiz deyil t蓹蓹ss眉f ki, q蓹za yerl蓹艧dirm蓹k v蓹 940 00:43:04,840 --> 00:43:05,828 ola bil蓹r. 941 00:43:05,828 --> 00:43:13,240 942 00:43:13,240 --> 00:43:16,020 >> LAN olan magistral dolu deyil m蓹lumat b眉t眉n n枚vl蓹ri il蓹. 943 00:43:16,020 --> 00:43:19,270 Bu IP paketl蓹rin Novell var paket, Apple Talk paket. 944 00:43:19,270 --> 00:43:21,440 Onlar h蓹mi艧蓹 oldu臒u kimi trafik qar艧谋 olacaq. 945 00:43:21,440 --> 00:43:24,040 Yerli router oxuyur z蓹ruri hallarda, m眉raci蓹t v蓹, 946 00:43:24,040 --> 00:43:25,935 ba艧qa 艧蓹b蓹k蓹 眉z蓹rind蓹 paket y眉ks蓹ldir. 947 00:43:25,935 --> 00:43:27,610 948 00:43:27,610 --> 00:43:28,810 Ah, istiqam蓹tl蓹ndirici. 949 00:43:28,810 --> 00:43:31,990 Bir n蓹zar蓹t r蓹mzidir zahir蓹n qeyri-m眉t蓹艧蓹kkil d眉nya. 950 00:43:31,990 --> 00:43:41,050 951 00:43:41,050 --> 00:43:45,480 >> Orada sistemli deyil, , m眉hafiz蓹kar, uncaring metodiki 952 00:43:45,480 --> 00:43:48,100 v蓹 b蓹z蓹n tamamil蓹 s眉r蓹tl蓹ndirm蓹k 眉莽眉n. 953 00:43:48,100 --> 00:43:50,430 Amma 蓹n az谋, o 莽ox hiss蓹si 眉莽眉n d蓹qiq. 954 00:43:50,430 --> 00:44:03,090 955 00:44:03,090 --> 00:44:05,530 >> Bu paket t蓹rk kimi router, onlar谋n yol 956 00:44:05,530 --> 00:44:08,780 korporativ intranet daxil v蓹 router ke莽id 眉莽眉n r蓹hb蓹rlik. 957 00:44:08,780 --> 00:44:10,179 958 00:44:10,179 --> 00:44:12,470 Daha s蓹m蓹r蓹li A bit router, router ke莽id 959 00:44:12,470 --> 00:44:16,700 , s眉r蓹tli v蓹 IP paketl蓹rin il蓹 bo艧 oynay谋r deftly yol boyunca onlara y枚nlendirme. 960 00:44:16,700 --> 00:44:18,950 A digital Pinball Wizard Siz 蓹g蓹r. 961 00:44:18,950 --> 00:44:19,532 >> -Buyur Getm蓹k. 962 00:44:19,532 --> 00:44:20,490 Burada ba艧qa bir g蓹lir. 963 00:44:20,490 --> 00:44:21,198 V蓹 ba艧qa. 964 00:44:21,198 --> 00:44:21,886 , Ana bu bax谋n. 965 00:44:21,886 --> 00:44:22,258 Burada gedir. 966 00:44:22,258 --> 00:44:22,382 Whoops. 967 00:44:22,382 --> 00:44:23,126 Geri 蓹traf谋nda. 968 00:44:23,126 --> 00:44:23,374 Hey. 969 00:44:23,374 --> 00:44:23,622 Orada. 970 00:44:23,622 --> 00:44:24,122 Orada. 971 00:44:24,122 --> 00:44:24,862 Sol 眉z蓹rind蓹. 972 00:44:24,862 --> 00:44:25,110 Sa臒 眉z蓹rind蓹. 973 00:44:25,110 --> 00:44:25,358 Sol 眉z蓹rind蓹. 974 00:44:25,358 --> 00:44:26,350 Sa臒 眉z蓹rind蓹. 975 00:44:26,350 --> 00:44:26,596 Siz var. 976 00:44:26,596 --> 00:44:26,846 Burada gedir. 977 00:44:26,846 --> 00:44:27,342 O z蓹rb蓹 endirir. 978 00:44:27,342 --> 00:44:27,840 O puanlar谋. 979 00:44:27,840 --> 00:44:28,100 Bu gedir. 980 00:44:28,100 --> 00:44:28,580 Hey, g枚zl蓹yin. 981 00:44:28,580 --> 00:44:28,940 Hey, bax谋n. 982 00:44:28,940 --> 00:44:29,898 Burada ba艧qa bir g蓹lir. 983 00:44:29,898 --> 00:44:30,860 Oh, burada biz gedin. 984 00:44:30,860 --> 00:44:33,740 985 00:44:33,740 --> 00:44:35,930 >> -As Paket g蓹lm蓹k onlar谋n t蓹yinat, onlar 986 00:44:35,930 --> 00:44:40,640 艧蓹b蓹k蓹 interfeysi t蓹r蓹find蓹n se莽ilmi艧 haz谋r n枚vb蓹ti s蓹viyy蓹si g枚nd蓹ril蓹c蓹k, 987 00:44:40,640 --> 00:44:42,000 Bu halda, proxy. 988 00:44:42,000 --> 00:44:43,060 989 00:44:43,060 --> 00:44:46,210 Bu proxy 莽ox t蓹r蓹find蓹n istifad蓹 olunur orta man n枚v kimi 艧irk蓹tl蓹r 990 00:44:46,210 --> 00:44:48,650 y眉k azaltmaq 眉莽眉n onlar谋n internet ba臒lant谋s谋 991 00:44:48,650 --> 00:44:50,040 v蓹 t蓹hl眉k蓹sizlik s蓹b蓹bl蓹ri 眉莽眉n d蓹. 992 00:44:50,040 --> 00:44:51,824 993 00:44:51,824 --> 00:44:55,310 Siz paket G枚rd眉y眉n眉z kimi m眉xt蓹lif 枚l莽眉l眉 b眉t眉n var, 994 00:44:55,310 --> 00:44:56,650 onlar谋n m蓹zmunu as谋l谋 olaraq. 995 00:44:56,650 --> 00:45:10,750 996 00:45:10,750 --> 00:45:14,790 >> Proxy paket a莽谋r v蓹 web 眉nvan谋 v蓹 ya URL g枚r眉n眉r. 997 00:45:14,790 --> 00:45:16,230 998 00:45:16,230 --> 00:45:18,707 Olub as谋l谋 olaraq 脺nvan m蓹qbul deyil 999 00:45:18,707 --> 00:45:20,290 paket internet g枚nd蓹rilir. 1000 00:45:20,290 --> 00:45:25,880 1001 00:45:25,880 --> 00:45:28,700 Var, lakin b蓹zi yox olan 眉nvanlar谋 1002 00:45:28,700 --> 00:45:31,440 raz谋l谋臒谋 il蓹 g枚r眉艧蓹c蓹k proxy, dem蓹k ki, 1003 00:45:31,440 --> 00:45:33,305 korporativ v蓹 ya idar蓹 qaydalar谋. 1004 00:45:33,305 --> 00:45:35,830 1005 00:45:35,830 --> 00:45:38,290 Bu summarily b蓹hs olunur. 1006 00:45:38,290 --> 00:45:39,530 1007 00:45:39,530 --> 00:45:41,070 Biz he莽 biri laz谋md谋r. 1008 00:45:41,070 --> 00:45:43,350 Bunu etm蓹k ist蓹y蓹nl蓹r 眉莽眉n, t蓹krar yol var. 1009 00:45:43,350 --> 00:45:52,740 1010 00:45:52,740 --> 00:45:54,695 >> Sonrak谋 q蓹d蓹r firewall. 1011 00:45:54,695 --> 00:45:58,060 1012 00:45:58,060 --> 00:46:01,414 Korporativ firewall iki m蓹qs蓹di xidm蓹t edir. 1013 00:46:01,414 --> 00:46:03,580 B蓹zi olduqca qar艧谋s谋n谋 al谋r internet murdar 艧eyl蓹r 1014 00:46:03,580 --> 00:46:05,379 Bu intranet daxil g蓹l蓹n. 1015 00:46:05,379 --> 00:46:07,670 V蓹 bu da mane ola bil蓹r h蓹ssas korporativ m蓹lumat 1016 00:46:07,670 --> 00:46:09,900 internet 眉z蓹rind蓹 g枚nd蓹rilir. 1017 00:46:09,900 --> 00:46:11,810 1018 00:46:11,810 --> 00:46:14,210 >> Bir firewall vasit蓹sil蓹, bir router paket q蓹d蓹r se莽er 1019 00:46:14,210 --> 00:46:18,290 v蓹 bir 莽ox dar 眉z蓹rin蓹 yerl蓹ri yol v蓹 ya bant, biz dem蓹k kimi. 1020 00:46:18,290 --> 00:46:21,505 Ayd谋nd谋r ki, s谋ra deyil onlara b眉t眉n etm蓹k 眉莽眉n kifay蓹t q蓹d蓹r geni艧. 1021 00:46:21,505 --> 00:46:22,727 1022 00:46:22,727 --> 00:46:25,060 陌ndi, siz t蓹蓹cc眉b bil蓹r, n蓹 b眉t眉n paketl蓹rin olur 1023 00:46:25,060 --> 00:46:27,250 olan yol boyunca etm蓹k deyil. 1024 00:46:27,250 --> 00:46:29,880 B蓹li, c蓹nab IP deyil zaman etiraf almaq 1025 00:46:29,880 --> 00:46:32,160 bir paket olmu艧dur ki, vaxt谋nda q蓹bul, 1026 00:46:32,160 --> 00:46:34,060 o, sad蓹c蓹 bir 蓹v蓹z paket g枚nd蓹rir. 1027 00:46:34,060 --> 00:46:36,040 1028 00:46:36,040 --> 00:46:40,510 >> Biz indi daxil haz谋r谋q internet d眉nya, bir h枚r眉m莽蓹k 1029 00:46:40,510 --> 00:46:44,656 qar艧谋l谋ql谋 艧蓹b蓹k蓹l蓹rinin web olan b眉t眉n d眉nya 蓹hat蓹. 1030 00:46:44,656 --> 00:46:47,845 Burada, mar艧rutla艧d谋r谋c谋lar谋 v蓹 a莽arlar谋 艧蓹b蓹k蓹l蓹ri aras谋nda 蓹laq蓹l蓹r yaratmaq. 1031 00:46:47,845 --> 00:46:49,239 1032 00:46:49,239 --> 00:46:51,280 陌ndi, xalis tamamil蓹 deyil m眉xt蓹lif m眉hit 1033 00:46:51,280 --> 00:46:53,740 Siz 蓹rzind蓹 tapa bil蓹rsiniz daha Sizin LAN qoruyucu divarlar谋. 1034 00:46:53,740 --> 00:46:56,510 >> Burada, bu Wild var West, kosmik bol, 1035 00:46:56,510 --> 00:47:00,440 imkanlar谋 莽ox, bol t蓹dqiq etm蓹k 艧eyi v蓹 yerl蓹rd蓹 getm蓹k 眉莽眉n. 1036 00:47:00,440 --> 00:47:02,790 Thanks 莽ox az n蓹zar蓹t v蓹 t蓹nziml蓹m蓹 1037 00:47:02,790 --> 00:47:07,250 yeni ideyalar push m眉nbit torpaq tapmaq onlar谋n imkanlar谋 z蓹rfl蓹rin. 1038 00:47:07,250 --> 00:47:10,590 Amma bu azadl谋q, 莽眉nki, m眉蓹yy蓹n t蓹hl眉k蓹l蓹r d蓹 pusuya yatmak. 1039 00:47:10,590 --> 00:47:14,230 >> Siz zaman Bildiyiniz he莽 vaxt laz谋md谋r 枚l眉m dreaded ping cavab 1040 00:47:14,230 --> 00:47:18,040 bir normal sor臒u x眉susi versiyas谋 b蓹zi axmaq fikir olan ping 1041 00:47:18,040 --> 00:47:19,830 mess up unsuspecting Host. 1042 00:47:19,830 --> 00:47:21,470 1043 00:47:21,470 --> 00:47:25,490 Bizim paket vasit蓹sil蓹 b蓹lk蓹 almaq yolu peyk, telefon x蓹tl蓹ri, simsiz, 1044 00:47:25,490 --> 00:47:27,340 v蓹 ya h蓹tta transoceanic kabel. 1045 00:47:27,340 --> 00:47:30,290 >> Onlar h蓹mi艧蓹 s眉r蓹tli etmirl蓹r v蓹 ya q谋sa yollar谋 m眉mk眉n, 1046 00:47:30,290 --> 00:47:33,330 lakin onlar n蓹hay蓹t orada olacaq. 1047 00:47:33,330 --> 00:47:37,255 B蓹z蓹n var niy蓹 B蓹lk蓹 ki d眉nyada wait 莽a臒谋r谋b. 1048 00:47:37,255 --> 00:47:39,650 Amma h蓹r 艧ey zaman r蓹van i艧, siz 1049 00:47:39,650 --> 00:47:43,270 d眉nya alt ed蓹 bil蓹r be艧 d蓹f蓹 艧apka v蓹 a莽谋lan, 1050 00:47:43,270 --> 00:47:46,690 s枚z眉n, v蓹 b眉t眉n yerli z蓹ng v蓹 ya az d蓹y蓹ri. 1051 00:47:46,690 --> 00:47:47,970 1052 00:47:47,970 --> 00:47:51,025 >> Bizim t蓹yinat sonuna yax谋n, ba艧qa bir firewall tapa bil蓹rsiniz. 1053 00:47:51,025 --> 00:47:53,710 1054 00:47:53,710 --> 00:47:56,160 As谋l谋 olaraq sizin Bir paket data kimi perspektiv, 1055 00:47:56,160 --> 00:48:00,520 Bu firewall qalas谋 ola bil蓹r t蓹hl眉k蓹sizlik v蓹 ya dreaded r蓹qib. 1056 00:48:00,520 --> 00:48:04,420 Bu, b眉t眉n etdiyiniz olan yan as谋l谋d谋r n蓹, v蓹 niyy蓹t. 1057 00:48:04,420 --> 00:48:08,365 >> Bu firewall yaln谋z imkan 眉莽眉n n蓹z蓹rd蓹 tutulmu艧dur onun meyarlara cavab ki, h蓹min paket. 1058 00:48:08,365 --> 00:48:09,590 1059 00:48:09,590 --> 00:48:11,940 Bu firewall f蓹aliyy蓹t Limanlar 80 v蓹 25-d蓹. 1060 00:48:11,940 --> 00:48:13,250 1061 00:48:13,250 --> 00:48:16,380 B眉t眉n c蓹hdl蓹ri dig蓹r vasit蓹sil蓹 daxil port biznes 眉莽眉n ba臒l谋d谋r. 1062 00:48:16,380 --> 00:48:27,690 1063 00:48:27,690 --> 00:48:30,600 >> Port 25 mail paketl蓹ri 眉莽眉n istifad蓹 olunur. 1064 00:48:30,600 --> 00:48:32,750 1065 00:48:32,750 --> 00:48:35,791 Port 80 眉莽眉n giri艧 edir web internet paket 1066 00:48:35,791 --> 00:48:36,290 server. 1067 00:48:36,290 --> 00:48:38,880 1068 00:48:38,880 --> 00:48:42,540 Bu firewall, paket Inside daha 蓹trafl谋 n眉mayi艧 olunur. 1069 00:48:42,540 --> 00:48:44,660 B蓹zi paket etm蓹k asanl谋qla g枚mr眉k vasit蓹sil蓹, 1070 00:48:44,660 --> 00:48:47,500 dig蓹rl蓹ri yaln谋z bir az 艧眉bh蓹li baxmaq is蓹. 1071 00:48:47,500 --> 00:48:49,630 >> 陌ndi, firewall zabit asanl谋qla fooled deyil, 1072 00:48:49,630 --> 00:48:53,010 Bel蓹 zaman bu ping kimi 枚l眉m paket 莽al谋艧谋r 1073 00:48:53,010 --> 00:48:55,628 kimi 枚z眉 maskalamaq 眉莽眉n bir normal ping paket. 1074 00:48:55,628 --> 00:48:56,128 Boyunca ke莽in. 1075 00:48:56,128 --> 00:48:56,606 OK. 1076 00:48:56,606 --> 00:48:57,106 No problem. 1077 00:48:57,106 --> 00:48:58,040 Bir g枚z蓹l g眉n var. 1078 00:48:58,040 --> 00:48:59,360 M蓹ni bura outta ed蓹k. 1079 00:48:59,360 --> 00:49:00,460 Bye. 1080 00:49:00,460 --> 00:49:02,990 >> Bu paket u臒urlu 脺莽眉n Bu q蓹d蓹r bunu etm蓹k 眉莽眉n kifay蓹t q蓹d蓹r, 1081 00:49:02,990 --> 00:49:04,860 s蓹yah蓹t dem蓹k olar ki art谋q. 1082 00:49:04,860 --> 00:49:07,280 1083 00:49:07,280 --> 00:49:11,560 Bu interfeys yaln谋z bir x蓹tt var web server q蓹d蓹r al谋nacaq. 1084 00:49:11,560 --> 00:49:12,610 1085 00:49:12,610 --> 00:49:16,850 Hal-haz谋rda, bir web server bir 莽ox 莽al谋艧t谋rabilirsiniz , bir mainframe, bir webcam 艧eyi, 1086 00:49:16,850 --> 00:49:18,430 Sizin masas谋 眉z蓹rind蓹 komp眉ter. 1087 00:49:18,430 --> 00:49:20,220 N蓹 眉莽眉n soyuducu? 1088 00:49:20,220 --> 00:49:22,140 >> M眉vafiq d蓹sti il蓹 up, siz tapa bil蓹r 1089 00:49:22,140 --> 00:49:24,330 Siz makings varsa toyuq cacciatore 眉莽眉n 1090 00:49:24,330 --> 00:49:25,690 v蓹 ya al谋艧-veri艧 getm蓹k 眉莽眉n var. 1091 00:49:25,690 --> 00:49:28,625 Bu Net Dawn, unutmay谋n. 1092 00:49:28,625 --> 00:49:29,850 Dem蓹k olar ki, bir 艧ey m眉mk眉n. 1093 00:49:29,850 --> 00:49:32,960 1094 00:49:32,960 --> 00:49:37,080 >> Bir-bir, paket var a莽谋ld谋 v蓹 unpacked q蓹bul edib. 1095 00:49:37,080 --> 00:49:40,350 1096 00:49:40,350 --> 00:49:44,280 Onlar ehtiva m蓹lumat ki, m蓹lumat 眉莽眉n sor臒u deyil 1097 00:49:44,280 --> 00:49:46,080 web 眉莽眉n g枚nd蓹rilir server proqram. 1098 00:49:46,080 --> 00:49:52,670 1099 00:49:52,670 --> 00:49:54,345 >> Paket 枚z眉n眉 t蓹krar edir. 1100 00:49:54,345 --> 00:49:57,280 1101 00:49:57,280 --> 00:50:06,770 Haz谋r yenid蓹n istifad蓹 v蓹 dolu xahi艧 m蓹lumat, m眉raci蓹t 1102 00:50:06,770 --> 00:50:08,680 v蓹 geri onun yolu g枚nd蓹rm蓹k. 1103 00:50:08,680 --> 00:50:10,430 1104 00:50:10,430 --> 00:50:14,700 Geri firewall, y枚nlendirici ke莽mi艧, v蓹 internet vasit蓹sil蓹. 1105 00:50:14,700 --> 00:50:18,164 1106 00:50:18,164 --> 00:50:19,705 Geri korporativ firewall vasit蓹sil蓹. 1107 00:50:19,705 --> 00:50:24,461 1108 00:50:24,461 --> 00:50:26,295 V蓹 interfeys 眉z蓹rind蓹. 1109 00:50:26,295 --> 00:50:27,400 1110 00:50:27,400 --> 00:50:30,630 Web browser t蓹min etm蓹y蓹 haz谋rd谋r m蓹lumat t蓹l蓹b. 1111 00:50:30,630 --> 00:50:33,010 1112 00:50:33,010 --> 00:50:34,538 Bu film. 1113 00:50:34,538 --> 00:50:40,030 1114 00:50:40,030 --> 00:50:43,200 >> Onlar谋n s蓹yl蓹ri il蓹 raz谋 v蓹 daha yax艧谋 bir d眉nya inanan, 1115 00:50:43,200 --> 00:50:45,960 bizim etibarl谋 data paket z枚vql蓹 off g蓹zm蓹k 1116 00:50:45,960 --> 00:50:49,830 ba艧qa q眉rub daxil g眉n, onlar tam bilm蓹d蓹n 1117 00:50:49,830 --> 00:50:51,635 枚z ustalar谋 xidm蓹t. 1118 00:50:51,635 --> 00:50:54,030 1119 00:50:54,030 --> 00:50:57,209 陌ndi ki, xo艧b蓹xt sona deyil. 1120 00:50:57,209 --> 00:50:58,042 [END video playback] 1121 00:50:58,042 --> 00:50:59,533 DAVID MALAN: Bu CS50 眉莽眉n var. 1122 00:50:59,533 --> 00:51:01,521 G蓹l蓹n h蓹ft蓹 g枚r蓹c蓹ksiniz. 1123 00:51:01,521 --> 00:51:05,994 1124 00:51:05,994 --> 00:51:11,220 >> [MUSIC - KATY PERRY, "DARK HORSE"] 1125 00:51:11,220 --> 00:54:19,222