1 00:00:00,000 --> 00:00:11,210 >> [Musiqi ifa] 2 00:00:11,210 --> 00:00:14,640 >> HOPARL脰R 1: Yax艧谋, xo艧 g蓹lmisiniz CS50 geri. 3 00:00:14,640 --> 00:00:18,190 Bu h蓹ft蓹 s蓹kkiz sonu v蓹 dem蓹k olar ki Halloween. 4 00:00:18,190 --> 00:00:22,460 Sabah gec蓹 ofisind蓹 saat olacaq scariest olanlar谋 h蓹l蓹 deyil, 莽眉nki 5 00:00:22,460 --> 00:00:23,460 Halloween. 6 00:00:23,460 --> 00:00:28,600 >> Amma o qeyd, h蓹yata ki, problem alt谋, yaz谋m yoxlan谋lmas谋 m眉蓹yy蓹n 7 00:00:28,600 --> 00:00:32,340 problem d蓹sti, bir 莽ox olmas谋 tan谋n谋r t蓹l蓹b蓹l蓹r, 蓹n 莽蓹tin, 8 00:00:32,340 --> 00:00:36,010 蓹lb蓹tt蓹 C problem d蓹stl蓹ri aras谋nda, v蓹 h蓹qiq蓹t蓹n, 眉mumi. 9 00:00:36,010 --> 00:00:39,250 Bu, 莽眉nki m蓹n bu yaln谋z qeyd bir 莽ox insan ald谋臒谋 h蓹ft蓹 10 00:00:39,250 --> 00:00:42,840 x眉susil蓹 yaln谋z 莽al谋艧d谋qlar谋n谋 vur臒ulad谋 l蓹n蓹tl蓹m蓹k spell checker i艧l蓹m蓹k 眉莽眉n almaq 眉莽眉n. 11 00:00:42,840 --> 00:00:45,640 V蓹 m蓹n siz蓹 t蓹艧viq ed蓹c蓹k bir 艧ey ki, bu g眉n g枚r蓹c蓹ksiniz kimi, 12 00:00:45,640 --> 00:00:49,670 Bazar ert蓹si, biz bu pik hit ba艧lay谋r bu h蓹ft蓹 harada, indi 艧eyl蓹r olmaq 13 00:00:49,670 --> 00:00:52,370 az tan谋艧 bir az daha bir eri艧ilebilir kimi biz ke莽id 14 00:00:52,370 --> 00:00:56,120 C command line m眉hit PHP web-based m眉hit. 15 00:00:56,120 --> 00:00:59,805 >> Sen h蓹tta v蓹 m蓹n, siz tavsiye ederim h蓹qiq蓹t蓹n a臒谋l sonuna ild蓹 16 00:00:59,805 --> 00:01:02,785 蓹g蓹r i艧l蓹m蓹k p toplusunu almaq 眉莽眉n 莽al谋艧谋r谋q ki, h蓹qiq蓹t蓹n siz蓹 etdiyiniz yer, v蓹 ya 17 00:01:02,785 --> 00:01:05,770 c蓹hd etm蓹k, 枚z眉n眉z眉 tapmaq onun vasit蓹sil蓹 g眉c verir. 18 00:01:05,770 --> 00:01:08,280 Hesab edir蓹m ki, 莽眉nki siz蓹 莽ox olacaq raz谋 v蓹 枚z眉n眉z kifay蓹t q蓹d蓹r q眉rur, 19 00:01:08,280 --> 00:01:12,300 h蓹qiq蓹t蓹n h蓹min hiss蓹si ba艧a 蓹g蓹r 茝lb蓹tt蓹, C hiss蓹si ki, y眉ks蓹k, 20 00:01:12,300 --> 00:01:13,310 stres, 蓹g蓹r unutmay谋n. 21 00:01:13,310 --> 00:01:14,120 Qorxutmaq 眉莽眉n deyil ki. 22 00:01:14,120 --> 00:01:18,010 Bu yaln谋z sizin h蓹v蓹sl蓹ndirm蓹k 眉莽眉n n蓹z蓹rd蓹 tutulan var 眉莽眉n 蓹lav蓹 saat qalmaq 23 00:01:18,010 --> 00:01:19,820 yaz谋m i艧 yoxlan谋lmas谋 almaq. 24 00:01:19,820 --> 00:01:22,730 >> 茝g蓹r V蓹 bu h蓹yata tamamil蓹 iste臒e ba臒l谋d谋r. 25 00:01:22,730 --> 00:01:25,720 Amma biz s枚zd蓹 b枚y眉k board var bu s蓹h蓹r ya艧amaq getdi. 26 00:01:25,720 --> 00:01:29,950 Bu s蓹h蓹r kimi, m蓹n b枚y眉k 眉st眉n oldu nec蓹 bir 枚l莽眉 olan board, 27 00:01:29,950 --> 00:01:34,450 莽ox RAM v蓹 n蓹 q蓹d蓹r vaxt 莽al谋艧an Proqram speller t蓹l蓹b edir. 28 00:01:34,450 --> 00:01:35,890 Lakin I-ci ild蓹n m蓹cburi k枚莽k眉n etdik. 29 00:01:35,890 --> 00:01:37,910 M蓹n indi u臒ursuz 13 sayl谋 edir蓹m. 30 00:01:37,910 --> 00:01:41,460 V蓹 n蓹 burada g枚r眉rs眉n眉z, David deyil Kaufman v蓹 Lauren v蓹 Ad蓹m v蓹 31 00:01:41,460 --> 00:01:44,130 Jason v蓹 s indi b枚y眉k board 眉st眉n. 32 00:01:44,130 --> 00:01:47,480 >> Siz sa臒 orada baxsaq, ham谋m谋z, h蓹qiq蓹t蓹n, yax艧谋 var 33 00:01:47,480 --> 00:01:49,890 枚l莽眉s眉 蓹n az谋 t蓹tbiq - 34 00:01:49,890 --> 00:01:51,640 s枚zl蓹rin say谋 qaytar谋lmas谋 l眉臒蓹td蓹. 35 00:01:51,640 --> 00:01:54,690 Bu s眉tun h蓹r birind蓹 will bizim h蓹r RAM n蓹 q蓹d蓹r oldu 36 00:01:54,690 --> 00:01:58,370 t蓹tbiq n蓹 q蓹d蓹r istifad蓹 edir bunu icra alaraq 莽al谋艧an zaman 37 00:01:58,370 --> 00:02:01,450 y眉k, qar艧谋 莽ek, qar艧谋 枚l莽眉s眉 v蓹, sonra bo艧altmaq v蓹 38 00:02:01,450 --> 00:02:02,490 c蓹mi 莽al谋艧an zaman. 39 00:02:02,490 --> 00:02:05,990 Bel蓹 ki, yaln谋z Elmer v蓹 Patrick, sakitl蓹艧dirm蓹k v蓹 Linda, v蓹 ba艧qa h蓹r k蓹s 40 00:02:05,990 --> 00:02:09,210 sonra g蓹l蓹n, tamamil蓹 yoxdur do臒ru olan he莽 bir ay谋b 41 00:02:09,210 --> 00:02:10,590 b枚y眉k board alt谋nda. 42 00:02:10,590 --> 00:02:13,950 Bir 艧ey varsa, ki, siz i艧 oldu dem蓹kdir ki, v蓹 bu do臒ru, lakin bu 43 00:02:13,950 --> 00:02:18,480 m眉tl蓹q kimi s蓹m蓹r蓹li, kosmik v蓹 ya vaxt m眉drik, bu, ola bil蓹r. 44 00:02:18,480 --> 00:02:19,430 >> Bel蓹 ki, tamamil蓹 iste臒e. 45 00:02:19,430 --> 00:02:22,630 Ancaq n枚v bir k枚k olmaq 眉莽眉n n蓹z蓹rd蓹 bel蓹 ki, sizin p 莽al谋艧谋r谋q zaman 46 00:02:22,630 --> 00:02:25,960 m眉蓹yy蓹n, siz 枚z眉n眉z bel蓹 f蓹xr edirik bu i艧 oldu, siz b枚y眉k yaz谋 47 00:02:25,960 --> 00:02:28,920 board, siz, h蓹qiq蓹t蓹n, yax艧谋 bir s谋ra var 茝g蓹r nahar 眉莽眉n getm蓹k, g蓹lm蓹k 48 00:02:28,920 --> 00:02:31,810 geri, v蓹 roommates ha艧iy蓹l蓹nmi艧 edib b枚y眉k l枚vh蓹d蓹 siz蓹. 49 00:02:31,810 --> 00:02:34,910 B蓹li, getm蓹k, o n枚qt蓹d蓹, vaxt geri r蓹sm board bel蓹 kimi 50 00:02:34,910 --> 00:02:36,160 b枚y眉k board yenid蓹n etiraz. 51 00:02:36,160 --> 00:02:39,330 Siz spec baxmaq varsa, il蓹 tela 眉莽眉n t蓹limat 52 00:02:39,330 --> 00:02:41,480 b枚y眉k board indi yerl蓹艧dirilir. 53 00:02:41,480 --> 00:02:44,870 >> R蓹hb蓹rl蓹ri up bir ne莽蓹 bel蓹 - 54 00:02:44,870 --> 00:02:48,410 son 眉莽眉n bir 枚n t蓹klifi layih蓹 il蓹 bu g蓹l蓹n Bazar ert蓹si. 55 00:02:48,410 --> 00:02:51,060 Kurs 眉zr蓹 Bu spec bax hans谋 ki vasit蓹l蓹ri haqqinda. 56 00:02:51,060 --> 00:02:54,450 Bu, h蓹qiq蓹t蓹n, yaln谋z bir t蓹sad眉fi, lakin fikir v蓹 sizin aras谋nda oyadan e-po莽t 57 00:02:54,450 --> 00:02:58,410 TF, h蓹qiq蓹t蓹n yaln谋z 艧eyi ba艧lamaq 眉莽眉n s枚hb蓹t olsa da ba艧lad谋, 58 00:02:58,410 --> 00:03:02,110 sizin 蓹n h蓹tta yaz谋l谋 he莽 vaxt web page 蓹vv蓹l bel蓹 bilmir蓹m n蓹 59 00:03:02,110 --> 00:03:04,850 siz, nec蓹 g眉c h蓹yata bil蓹r son layih蓹. 60 00:03:04,850 --> 00:03:07,250 Siz bilirsiniz ki, iman Go 莽ox bir ne莽蓹 daha 莽ox nec蓹 61 00:03:07,250 --> 00:03:08,410 bir ne莽蓹 h蓹ft蓹 艧eyl蓹r. 62 00:03:08,410 --> 00:03:12,900 Bel蓹 ki, yaln谋z ba艧谋na bu prosesi ba艧lamaq m眉mk眉n fikir k蓹艧fiyyat spec. 63 00:03:12,900 --> 00:03:16,030 >> H蓹m莽inin, n蓹 biz d蓹v蓹t edirik ist蓹diyiniz deyil - Biz uzun ill蓹rdir ki, bir 蓹n蓹n蓹 var 64 00:03:16,030 --> 00:03:18,840 indi gedi艧ind蓹 hosting Bu - store.cs50.net. 65 00:03:18,840 --> 00:03:20,010 H蓹r 艧ey maya d蓹y蓹ri il蓹 sat谋l谋r oldu. 66 00:03:20,010 --> 00:03:23,460 V蓹 bu, h蓹qiq蓹t蓹n, yaln谋z bir imkan var Siz ist蓹yirsinizs蓹, CS50 k枚hn蓹lir 67 00:03:23,460 --> 00:03:24,920 蓹lb蓹tt蓹 ki, v蓹 at. 68 00:03:24,920 --> 00:03:27,990 M蓹s蓹l蓹n, kimi 艧eyl蓹r var g枚rd眉臒眉n眉z ola bil蓹r ki, t-shirt 69 00:03:27,990 --> 00:03:29,880 sweatshirts, kampus 蓹traf谋nda gedir. 70 00:03:29,880 --> 00:03:33,960 V蓹 sonra, biz d蓹 t蓹l蓹b蓹 d蓹v蓹t 蓹b蓹di ya艧ayacaq 眉莽眉n dizayn t蓹qdim 71 00:03:33,960 --> 00:03:35,330 ki, CS50 ma臒aza. 72 00:03:35,330 --> 00:03:39,910 >> 脰t蓹n il M蓹s蓹l蓹n, bir olacaq, b蓹lk蓹 d蓹, indi Se莽ilmi艧l蓹r蓹 73 00:03:39,910 --> 00:03:41,860 siz蓹 r蓹臒b蓹t do臒urur burada biridir. 74 00:03:41,860 --> 00:03:45,390 75 00:03:45,390 --> 00:03:46,820 脟ox m蓹艧hur item. 76 00:03:46,820 --> 00:03:51,020 茝g蓹r i艧tirak etm蓹k ist蓹yir蓹m Bel蓹 ki, 蓹g蓹r Bu, biz, tezlikl蓹 bir formada qabla艧d谋r谋lm谋艧 bil蓹rsiniz 77 00:03:51,020 --> 00:03:54,240 Siz y眉kl蓹y蓹 bil蓹rsiniz hans谋 cs50.net/design, Siz etdiyiniz bir resim 78 00:03:54,240 --> 00:03:56,990 Illustrator, v蓹 ya Photoshop, v蓹 ya b蓹zi ox艧ar proqram. 79 00:03:56,990 --> 00:03:59,850 V蓹 bu c眉r tan谋艧 de臒ilseniz spesifikasiyalar, biz bunu ist蓹yirik 80 00:03:59,850 --> 00:04:05,010 bir PNG image, 蓹n az谋 200 n枚qt蓹l蓹r ola inch, v蓹 bir 莽ox piksel daha az, 81 00:04:05,010 --> 00:04:07,680 v蓹 10 megabayt alt谋nda. 82 00:04:07,680 --> 00:04:11,260 Daha 蓹trafl谋 m蓹lumat 眉莽眉n, yaln谋z e-po莽t heads@cs50.net 蓹lb蓹tt蓹 nin r蓹hb蓹rl蓹ri 蓹g蓹r 83 00:04:11,260 --> 00:04:13,910 Bu i艧tirak etm蓹k ist蓹yir蓹m. 84 00:04:13,910 --> 00:04:20,920 >> Bel蓹 ki, b眉t眉n sa臒, bu g眉n, 莽ox C. Bel蓹likl蓹, biz Bu qat geri 莽蓹km蓹k ba艧lay谋r 85 00:04:20,920 --> 00:04:24,900 internet, web, v蓹 nec蓹 siz h蓹qiq蓹t蓹n 眉莽眉n proqram yazma臒a ba艧lay谋n 86 00:04:24,900 --> 00:04:26,420 Bu, m眉xt蓹lif m眉hit. 87 00:04:26,420 --> 00:04:31,420 Bel蓹 ki, x眉susil蓹, bu ist蓹sinl蓹r ilk m蓹s蓹l蓹si - 88 00:04:31,420 --> 00:04:36,070 m蓹n蓹 bizim tan谋艧 biz蓹 imkan burada app r蓹sm. 89 00:04:36,070 --> 00:04:42,702 , M蓹n蓹 bir sual yarad谋r ed蓹k internet i艧 nec蓹. 90 00:04:42,702 --> 00:04:43,560 >> [? T茝L茝B茝: Magic. ?] 91 00:04:43,560 --> 00:04:44,010 >> HOPARL脰R 1: Magic. 92 00:04:44,010 --> 00:04:44,940 OK. 93 00:04:44,940 --> 00:04:45,880 Cavab Yax艧谋. 94 00:04:45,880 --> 00:04:49,460 Bel蓹likl蓹, biz bu g眉n ba艧lamaq v蓹 g枚r蓹c蓹ksiniz 蓹g蓹r biz bunu bir az daha az sehrli ed蓹 bilm蓹z 95 00:04:49,460 --> 00:04:50,880 saat 蓹rzind蓹. 96 00:04:50,880 --> 00:04:53,850 Nin onu dem蓹k ed蓹k bir hekay蓹 kontekstind蓹. 97 00:04:53,850 --> 00:04:58,480 >> Bel蓹 ki, facebook.com ged蓹r蓹k azarke艧l蓹ri ist蓹yirik v蓹 ya reddit.com, v蓹 ya 98 00:04:58,480 --> 00:04:59,780 n蓹 bu g眉n. 99 00:04:59,780 --> 00:05:02,590 N蓹 vaxt v蓹 n蓹 h蓹qiq蓹t蓹n ba艧 verir sizin kimi bir 艧ey yaz谋n 100 00:05:02,590 --> 00:05:07,020 Chrome-ci ild蓹 facebook.com v蓹 hit daxil edin, v蓹 ya Firefox v蓹 ya IE, v蓹 ya Safari, 101 00:05:07,020 --> 00:05:09,050 sen browser v蓹 ya h蓹r hans谋 蓹slind蓹 bunu? 102 00:05:09,050 --> 00:05:11,500 Biz b蓹lk蓹 bu hekay蓹 dey蓹 bil蓹rsiniz c眉ml蓹-c眉ml蓹? 103 00:05:11,500 --> 00:05:14,770 Ki, ilk 艧ey biri n蓹 var siz Enter d眉ym蓹sini bas谋n zaman sonra, ba艧 104 00:05:14,770 --> 00:05:15,876 facebook.com yazaraq? 105 00:05:15,876 --> 00:05:17,780 >> [? T茝L茝B茝: Your] Komp眉ter HTTP iste臒i edir. 106 00:05:17,780 --> 00:05:18,260 >> HOPARL脰R 1: OK. 107 00:05:18,260 --> 00:05:21,900 Bel蓹 ki, komp眉ter edir - biz ed蓹c蓹yik bu, z蓹ng - HTTP iste臒i. 108 00:05:21,900 --> 00:05:22,940 陌ndi n蓹 dem蓹kdir? 109 00:05:22,940 --> 00:05:27,980 B蓹li, ham谋m谋z y蓹qin ki, ya g枚rd眉k tipli il 眉莽眉n indi, H-T-T-P tez-tez 110 00:05:27,980 --> 00:05:29,186 kolon izl蓹di, 莽izgi z蓹rb蓹. 111 00:05:29,186 --> 00:05:30,340 Bel蓹 ki, n蓹? 112 00:05:30,340 --> 00:05:33,980 >> Yax艧谋, HTTP Hypertext edir Transfer Protokol. 113 00:05:33,980 --> 00:05:37,360 V蓹 ki, yaln谋z s枚yl蓹y蓹n bir x眉lya yolu bu dil bir web browser, 114 00:05:37,360 --> 00:05:42,460 Chrome v蓹 dig蓹r web server kimi, facebook.com kimi dan谋艧maq 115 00:05:42,460 --> 00:05:43,100 bir-birin蓹. 116 00:05:43,100 --> 00:05:46,730 V蓹 陌ngilis, kifay蓹t q蓹d蓹r sad蓹 oriented language. 117 00:05:46,730 --> 00:05:48,140 Dem蓹k olar ki, yalan莽谋 kodu kimi. 118 00:05:48,140 --> 00:05:51,820 >> V蓹 bu kimi, bir m眉艧teri bir yolu biz deyirik laz谋md谋r - bir brauzer - 119 00:05:51,820 --> 00:05:53,150 server il蓹 蓹laq蓹. 120 00:05:53,150 --> 00:05:56,230 Zaman v蓹 yaln谋z bir restoran kimi m眉艧t蓹ri, bir masada oturub 121 00:05:56,230 --> 00:05:59,630 v蓹 sonra bir 艧ey off sifari艧 server menyu ki, server var 122 00:05:59,630 --> 00:06:02,720 bir 艧ey geri g蓹tirm蓹k 眉莽眉n gedir, bu h蓹r hans谋 t蓹l蓹b. 123 00:06:02,720 --> 00:06:04,270 Komp眉ter d眉nyada eynidir. 124 00:06:04,270 --> 00:06:04,970 A browser - 125 00:06:04,970 --> 00:06:05,610 bir m眉艧t蓹ri - 126 00:06:05,610 --> 00:06:07,890 m眉raci蓹t etm蓹k niyy蓹tind蓹dir, v蓹 sonra, in艧allah geri almaq 127 00:06:07,890 --> 00:06:09,120 server bir 艧ey. 128 00:06:09,120 --> 00:06:11,660 V蓹 bir 艧ey d蓹 deyil, y眉ks蓹k s蓹viyy蓹d蓹, web page. 129 00:06:11,660 --> 00:06:15,040 Bir q蓹d蓹r a艧a臒谋 s蓹viyy蓹d蓹, bu, ba艧qa yaz谋l谋 bir fayl 130 00:06:15,040 --> 00:06:17,160 dil HTML 莽a臒谋r谋b - 131 00:06:17,160 --> 00:06:18,920 Hypertext Markup Language. 132 00:06:18,920 --> 00:06:20,720 Bir an ki, lakin daha 莽ox. 133 00:06:20,720 --> 00:06:22,470 >> Bel蓹 ki, Hypertext Transfer Protocol - 134 00:06:22,470 --> 00:06:23,450 HTTP - 135 00:06:23,450 --> 00:06:26,050 ki, protokol var browser v蓹 server istifad蓹. 136 00:06:26,050 --> 00:06:27,830 B蓹li, d蓹qiq, protokol n蓹dir? 137 00:06:27,830 --> 00:06:29,280 Yax艧谋, siz hesab ed蓹 bil蓹r dil olaraq. 138 00:06:29,280 --> 00:06:32,580 Amma burada bizim tama艧a莽谋lar 眉莽眉n nail olsaq, biz蓹 insanlar 眉莽眉n normal bir 艧ey 139 00:06:32,580 --> 00:06:35,928 , biz kims蓹 salamlay谋ram zaman yoxdur M蓹n hi, dem蓹k, m蓹nim ad David edir. 140 00:06:35,928 --> 00:06:37,320 >> [? T茝L茝B茝: Hi,] my name Dipty ibar蓹tdir. 141 00:06:37,320 --> 00:06:39,000 >> HOPARL脰R 1: "Salam, m蓹nim ad谋 Dipty ", dey蓹 o cavab. 142 00:06:39,000 --> 00:06:43,530 V蓹 biz bu 蓹dal蓹tli ixtiyari ya艧ad谋m silk蓹l蓹m蓹k 蓹ll蓹ri qar艧谋l谋ql谋 kimi 143 00:06:43,530 --> 00:06:45,730 tez-tez insan konvensiya 莽ox 枚lk蓹l蓹rd蓹. 144 00:06:45,730 --> 00:06:47,380 V蓹 sa臒, protokol var? 145 00:06:47,380 --> 00:06:50,680 M蓹n sort m蓹nim uzad谋lmas谋 il蓹 ba艧lad谋lan s蓹hn蓹d蓹 蓹l deyil, y枚nd蓹msiz, 146 00:06:50,680 --> 00:06:51,610 burada Sanders edir. 147 00:06:51,610 --> 00:06:54,670 O, h蓹yata, oh, m蓹n kazan谋lm谋艧 y蓹qin bir t蓹r蓹fd蓹n 眉莽眉n t蓹l蓹b. 148 00:06:54,670 --> 00:06:58,170 V蓹 o ki, m眉raci蓹t蓹 cavab h蓹qiq蓹t蓹n etiraf edir. 149 00:06:58,170 --> 00:07:01,860 Bir etiraf, ACK 蓹slind蓹 bir d眉nyan谋n 莽ox m蓹艧hur s枚z 150 00:07:01,860 --> 00:07:04,060 眉莽眉n bir server 眉莽眉n 艧蓹b蓹k蓹, m眉艧t蓹ri q蓹bul edir. 151 00:07:04,060 --> 00:07:07,720 Sonra biz n枚v ba艧a ki, 蓹m蓹liyyat, v蓹 daha 莽ox 艧illik. 152 00:07:07,720 --> 00:07:10,010 Bel蓹 ki, n蓹 h蓹qiq蓹t蓹n var ba艧l谋q alt谋nda ke莽irilir. 153 00:07:10,010 --> 00:07:13,450 >> M蓹ni bu bir az daha n蓹 ed蓹k texniki ba艧l谋q alt谋nda. 154 00:07:13,450 --> 00:07:16,900 Burada 眉z蓹rind蓹 getm蓹k 眉莽眉n gidiyorum terminal p蓹nc蓹r蓹. 155 00:07:16,900 --> 00:07:19,950 Bu terminal p蓹nc蓹r蓹 m蓹nim olmaq olur Mac, ancaq eyni c眉r ed蓹 bil蓹r 156 00:07:19,950 --> 00:07:21,760 CS50 Arac谋 il蓹 艧ey. 157 00:07:21,760 --> 00:07:24,750 V蓹 M蓹n, h蓹qiq蓹t蓹n, bir proqram谋 istifad蓹 etm蓹k gidiyorum biz h蓹qiq蓹t蓹n 眉莽眉n istifad蓹 deyil ki, 158 00:07:24,750 --> 00:07:26,300 b眉t眉n semestr da 莽ox. 159 00:07:26,300 --> 00:07:27,430 Amma bu Telnet deyirl蓹r. 160 00:07:27,430 --> 00:07:31,880 >> Geri g眉n, Telnet proqram谋 oldu Bir qo艧ulmaq 眉莽眉n istifad蓹 161 00:07:31,880 --> 00:07:34,910 po莽t kontrol uzaq server, v蓹 ya kimi bir 艧ey etm蓹k. 162 00:07:34,910 --> 00:07:38,460 陌ndi, biz bu k枚hn蓹 istifad蓹 olacaq m蓹kt蓹b proqram谋, Telnet, iddia etm蓹k 163 00:07:38,460 --> 00:07:39,830 bir brauzer ola bil蓹r. 164 00:07:39,830 --> 00:07:41,550 V蓹 m蓹n davam ged蓹n v蓹 al谋ram a艧a臒谋dak谋lar谋 edin - m蓹n蓹 bildirin 165 00:07:41,550 --> 00:07:42,800 yaz谋 tipi 枚l莽眉s眉n眉 art谋rmaq. 166 00:07:42,800 --> 00:07:48,080 >> V蓹 m蓹n 眉莽眉n, Telnet dem蓹k gidiyorum server www.facebook.com adlan谋r, lakin 167 00:07:48,080 --> 00:07:50,980 port 80 x眉susi, Telnet. 168 00:07:50,980 --> 00:07:52,070 Biz bu qay谋da bil蓹rsiniz. 169 00:07:52,070 --> 00:07:56,630 Amma indi 眉莽眉n, bilirsiniz ki, 蓹n xidm蓹tl蓹r internet m眉蓹yy蓹n edilir 170 00:07:56,630 --> 00:07:58,170 benzersiz b蓹zi say谋. 171 00:07:58,170 --> 00:07:59,460 Bu halda, 80 var. 172 00:07:59,460 --> 00:08:02,910 陌ndi b枚y眉k ehtimalla var 蓹vv蓹l 80 tipli he莽 vaxt. 173 00:08:02,910 --> 00:08:08,540 茝slind蓹, m蓹n bir brauzer getm蓹k 蓹g蓹r v蓹, m蓹s蓹l蓹n, qoparmaq 174 00:08:08,540 --> 00:08:16,500 http://www.facebook.com/-- 175 00:08:16,500 --> 00:08:18,460 avtomatik tamamlama ki, var m蓹nim tarixi - 176 00:08:18,460 --> 00:08:23,070 b眉t眉n sa臒, indi biz getm蓹k colon 80 莽izgi 眉莽眉n. 177 00:08:23,070 --> 00:08:26,270 >> M蓹n siz蓹 sonra olsa da, iddia edir ki, y蓹qin ki, 蓹vv蓹l bu tipli il蓹 he莽 178 00:08:26,270 --> 00:08:30,310 kolon facebook.com sonra 80, 脺mid edir蓹m ki, h蓹l蓹 i艧 olacaq. 179 00:08:30,310 --> 00:08:32,220 And olsun ki, bu facebook.com gedir. 180 00:08:32,220 --> 00:08:34,860 Bel蓹 莽谋x谋r ki, 80 枚rt眉l眉 olmu艧dur. 181 00:08:34,860 --> 00:08:36,690 Bizim insanlar谋n he莽 biri var ildir yaz谋n. 182 00:08:36,690 --> 00:08:41,350 Brauzerl蓹r, ismar谋clar谋, yaln谋z 脟眉nki say谋, istifad蓹 etm蓹k ist蓹diyiniz g眉man 183 00:08:41,350 --> 00:08:44,620 bir server z蓹ng zaman dan谋艧maq, 蓹slind蓹, 80-dir. 184 00:08:44,620 --> 00:08:47,340 脟眉nki uzun hekay蓹 q谋sa, server sad蓹c蓹 yol 莽ox ed蓹 bil蓹rsiniz 185 00:08:47,340 --> 00:08:48,320 web pages up xidm蓹t edir. 186 00:08:48,320 --> 00:08:50,030 >> Onlar ani mesaj cavab ver蓹 bil蓹r. 187 00:08:50,030 --> 00:08:51,230 Onlar e-po莽t g枚nd蓹r蓹 bil蓹rsiniz. 188 00:08:51,230 --> 00:08:54,410 Xidm蓹tl蓹r 莽ox var bir server 莽al谋艧t谋rabilirsiniz. 189 00:08:54,410 --> 00:08:57,590 Bel蓹 ki, bu n枚mr蓹l蓹r - bu halda, 80 - benzersiz o biri m眉蓹yy蓹n 190 00:08:57,590 --> 00:09:01,830 HTTP olan xidm蓹tl蓹rd蓹n, bir server 莽ox web protokol 191 00:09:01,830 --> 00:09:03,210 h蓹qiq蓹t蓹n d蓹st蓹k bil蓹r. 192 00:09:03,210 --> 00:09:07,250 Amma, indi bu t蓹l蓹bi biclik bil蓹r textually, bu k枚hn蓹 m蓹kt蓹b istifad蓹 193 00:09:07,250 --> 00:09:08,240 Telnet proqram谋. 194 00:09:08,240 --> 00:09:12,940 Bel蓹likl蓹, m蓹n mahiyy蓹tc蓹 indi iddia etm蓹k gidiyorum bir brauzer olmaq v蓹 HTTP dan谋艧maq 195 00:09:12,940 --> 00:09:16,620 m蓹hz, m蓹nim klaviatura il蓹 g枚nd蓹rm蓹kl蓹 Chrome nec蓹 bilirdi ki, 蓹mrl蓹ri 196 00:09:16,620 --> 00:09:18,260 magically m蓹nim 眉莽眉n g枚nd蓹rm蓹k 眉莽眉n. 197 00:09:18,260 --> 00:09:19,910 >> Bel蓹likl蓹, m蓹n ir蓹li getm蓹k gidiyorum v蓹 Enter d眉ym蓹sini bas谋n. 198 00:09:19,910 --> 00:09:22,000 Bu 31.13.69.32 莽al谋艧谋r谋q ki, g枚r眉rs眉n眉z. 199 00:09:22,000 --> 00:09:26,110 13 n蓹dir? 200 00:09:26,110 --> 00:09:27,440 Bel蓹 ki, bir IP 眉nvan谋 var. 201 00:09:27,440 --> 00:09:30,790 Siz d蓹 tan谋艧 deyilik 陌ndi h蓹tta o, sizin intricacies il蓹 202 00:09:30,790 --> 00:09:33,420 y蓹qin ki, 眉mumi m蓹nada var bu 艧eyl蓹r var ki. 203 00:09:33,420 --> 00:09:34,650 V蓹 bir IP 眉nvan谋 - 204 00:09:34,650 --> 00:09:36,620 Internet Protokol 眉nvan谋 - 205 00:09:36,620 --> 00:09:40,970 眉莽眉n bir unikal identifikator edir internetd蓹 bir komp眉ter. 206 00:09:40,970 --> 00:09:43,040 Bu oversimplification bir az bu an 眉莽眉n. 207 00:09:43,040 --> 00:09:47,490 >> Lakin internet h蓹r komp眉ter var 莽ox h蓹r kimi unikal IP 眉nvan谋, 208 00:09:47,490 --> 00:09:53,600 AB艦, dem蓹k, ev unikal var po莽t 眉nvan谋, 123 kimi bir 艧ey 209 00:09:53,600 --> 00:09:55,820 Anytown, AB艦 Main Street. 210 00:09:55,820 --> 00:09:56,540 Bel蓹 ki, kimi bir 艧ey. 211 00:09:56,540 --> 00:09:58,330 V蓹 ki, bu da oversimplification edir. 212 00:09:58,330 --> 00:10:01,470 Ancaq biz bu 眉nvanlara ki, po莽t d眉nya v蓹 bu 眉nvanlar 213 00:10:01,470 --> 00:10:04,940 biz komp眉ter d眉nyada ki, benzersiz ki server m眉蓹yy蓹n zaman 214 00:10:04,940 --> 00:10:09,030 Siz onlar谋 bir mesaj g枚nd蓹rm蓹k internet, v蓹 ya zaman bir m蓹ktub qoymaq 215 00:10:09,030 --> 00:10:10,500 k枚hn蓹 m蓹kt蓹b po莽t qutusu - 216 00:10:10,500 --> 00:10:12,100 po莽t - 217 00:10:12,100 --> 00:10:16,940 xidm蓹t ki, almaq 眉莽眉n nec蓹 bilir ki, sor臒u v蓹 ya m蓹ktub, 218 00:10:16,940 --> 00:10:18,110 al谋c谋 n蓹z蓹rd蓹 tutulub. 219 00:10:18,110 --> 00:10:21,390 >> 陌ndi m蓹nim komp眉ter, el蓹-bel蓹, yaln谋z var fiqurlu Facebook unikal IP 220 00:10:21,390 --> 00:10:23,820 31.13.69.32 edir. 221 00:10:23,820 --> 00:10:25,170 茝slind蓹, ki, y蓹qin ki d蓹yi艧蓹 bil蓹rsiniz. 222 00:10:25,170 --> 00:10:27,780 Facebook y蓹qin ki, bird蓹n 莽ox IP var 眉nvanlar谋, onlar tamamil蓹 莽眉nki 223 00:10:27,780 --> 00:10:29,150 bird蓹n 莽ox server var. 224 00:10:29,150 --> 00:10:30,810 Amma bu magically bizim 眉莽眉n ba艧. 225 00:10:30,810 --> 00:10:35,070 Bu 蓹slind蓹, daxili gizli ad谋 M蓹n y蓹qin ba臒l谋 oldu臒unuz server 226 00:10:35,070 --> 00:10:40,270 , star.c10r.facebook.com adlan谋r etm蓹k ki, n蓹. 227 00:10:40,270 --> 00:10:42,960 Bu, yaln谋z h蓹r hans谋 sistemi Facebook administrator q蓹rara 228 00:10:42,960 --> 00:10:46,510 Bu x眉susi server z蓹ng edir蓹m ki, q蓹d蓹r t蓹sad眉fi g枚nd蓹rilib. 229 00:10:46,510 --> 00:10:48,630 >> Bel蓹 ki, indi m蓹nim ba臒l谋 deyil, 蓹g蓹r ba艧a 莽atm谋艧d谋r, m蓹n gedir蓹m 230 00:10:48,630 --> 00:10:50,210 Brauzer biclik etm蓹k. 231 00:10:50,210 --> 00:10:54,590 M蓹n yer almaq dem蓹k gidiyorum ir蓹li space do臒ramaq. 232 00:10:54,590 --> 00:10:58,220 V蓹 m蓹n 莽谋x谋艧 iddia etm蓹k gidiyorum Olan HTTP versiyas谋 1.1 233 00:10:58,220 --> 00:10:59,880 蓹n 莽ox brauzerl蓹rd蓹 istifad蓹 ki, bir. 234 00:10:59,880 --> 00:11:03,980 V蓹 m蓹n x眉susil蓹 qeyd etm蓹k gidiyorum server, yeri g蓹lmi艧k蓹n, m蓹n ist蓹yir蓹m 235 00:11:03,980 --> 00:11:06,280 d眉nyaya m蓹lum veb facebook.com kimi. 236 00:11:06,280 --> 00:11:09,000 Daxil edin. 237 00:11:09,000 --> 00:11:11,390 陌ndi ba艧 neler bil蓹rsiniz. 238 00:11:11,390 --> 00:11:16,400 >> Bu server, garson, cavab verdi m蓹nim 眉莽眉n, v蓹 ya sor臒u il蓹 239 00:11:16,400 --> 00:11:17,720 bir m蓹tn mesaj谋. 240 00:11:17,720 --> 00:11:20,720 陌ndi yen蓹 brauzerl蓹r d眉nya kimi Chrome v蓹 Safari, siz ki, 241 00:11:20,720 --> 00:11:21,990 insan kimi g枚r眉r蓹m. 242 00:11:21,990 --> 00:11:24,770 Microsoft v蓹 Google yaln谋z gizl蓹tm蓹k Bizd蓹n bu ayr谋nt谋lar谋. 243 00:11:24,770 --> 00:11:29,580 Amma Facebook bir il蓹 cavab verdi cavab da dil HTTP edir. 244 00:11:29,580 --> 00:11:33,250 Bir kod, burada 302 var Qeyd ed蓹k ki, faktiki x眉susi 蓹h蓹miyy蓹ti vard谋r 245 00:11:33,250 --> 00:11:34,110 Konvensiya. 246 00:11:34,110 --> 00:11:36,030 He莽bek, perspektivli, 蓹n az谋 ki, bel蓹. 247 00:11:36,030 --> 00:11:39,160 >> Amma y蓹qin Facebook dan谋艧anlardan M蓹n蓹, mm mm, siz ist蓹mir蓹m 248 00:11:39,160 --> 00:11:40,190 Sizin 眉莽眉n xahi艧 n蓹. 249 00:11:40,190 --> 00:11:42,810 Siz 蓹v蓹zin蓹 ist蓹yir蓹m bu g眉n olan x眉susi texnika, 250 00:11:42,810 --> 00:11:45,680 facebook.com / unsupportedbrowser. 251 00:11:45,680 --> 00:11:50,350 Bel蓹 ki, y眉ks蓹k s蓹viyy蓹d蓹, Facebook n蓹 burada m蓹艧臒ul olmaq g枚r眉n眉r? 252 00:11:50,350 --> 00:11:51,410 M蓹n蓹 y枚nlendirme oldu. 253 00:11:51,410 --> 00:11:53,420 Bel蓹 ki, Facebook kimi deyil M蓹n iddia edir蓹m ki, fakt 254 00:11:53,420 --> 00:11:54,770 Bu dig蓹r browser ola bil蓹r. 255 00:11:54,770 --> 00:11:57,700 V蓹 bu adres蓹 oldu M蓹n蓹 bir web. 256 00:11:57,700 --> 00:11:59,820 >> M蓹n indi h蓹qiq蓹t蓹n ciddiyim n蓹 bu 艧ey kimi g枚r眉n眉r. 257 00:11:59,820 --> 00:12:04,420 M蓹n蓹 Chrome ki, art谋q ged蓹k biz onlar m蓹ni g枚rm蓹k ist蓹yirik n蓹 ed蓹 bil蓹rsiniz. 258 00:12:04,420 --> 00:12:07,060 Bel蓹 ki, indi h蓹qiq蓹t蓹n m蓹n蓹 geri g枚nd蓹rdik Facebook onlar h蓹yata sonra, 莽眉nki, 259 00:12:07,060 --> 00:12:08,360 oh, siz desteklenen bir brauzer var. 260 00:12:08,360 --> 00:12:10,260 Biz h蓹tta fikrind蓹 deyilik Bu sahifani g枚st蓹rir. 261 00:12:10,260 --> 00:12:12,920 El蓹 davam v蓹 g枚r蓹k biz bu d眉zeltmek bilm蓹z. 262 00:12:12,920 --> 00:12:14,280 >> M蓹n 眉莽眉n gidiyorum bir az f谋r谋ldaq莽谋. 263 00:12:14,280 --> 00:12:16,350 V蓹 h蓹ft蓹 bu bar蓹d蓹 daha 莽ox g蓹lib. 264 00:12:16,350 --> 00:12:18,120 Amma burada bir 艧ey gedir蓹m. 265 00:12:18,120 --> 00:12:20,590 V蓹 m蓹n 莽oxdan izah ed蓹c蓹yik. 266 00:12:20,590 --> 00:12:24,320 Yaln谋z bir an m蓹n蓹 ver istifad蓹 etm蓹k, v蓹 wow. 267 00:12:24,320 --> 00:12:28,190 M蓹n蓹 bu almaq imkan verir. 268 00:12:28,190 --> 00:12:29,110 OK. 269 00:12:29,110 --> 00:12:30,690 M蓹n yap媒yorum n蓹 izah ed蓹c蓹yik yaln谋z bir anda. 270 00:12:30,690 --> 00:12:32,810 M蓹n ir蓹li getm蓹k v蓹 bu l蓹臒v etm蓹k gidiyorum 蓹laq蓹si v蓹 yenid蓹n c蓹hd edin. 271 00:12:32,810 --> 00:12:38,440 >> HTTP 1.1 host www.facebook.com z蓹rb蓹 almaq user-agent. 272 00:12:38,440 --> 00:12:43,880 273 00:12:43,880 --> 00:12:44,560 OK. 274 00:12:44,560 --> 00:12:46,820 陌ndi Chrome olmaq iddia var. 275 00:12:46,820 --> 00:12:50,920 Bel蓹 莽谋x谋r ki, bir brauzer bir server sor臒u g枚nd蓹rir, yaln谋z var 276 00:12:50,920 --> 00:12:51,595 艧蓹r蓹f sistemi. 277 00:12:51,595 --> 00:12:54,840 M蓹n Chrome, Facebook edir蓹m ki, 蓹g蓹r M蓹n Chrome Ben boynuna g枚t眉r蓹c蓹k. 278 00:12:54,840 --> 00:12:58,560 V蓹 m蓹n m眉蓹yy蓹n vasit蓹l蓹ri Chrome kimi 枚z眉m眉 bu il蓹 279 00:12:58,560 --> 00:13:00,360 amans谋zl谋qla uzun simli. 280 00:13:00,360 --> 00:13:03,240 茝slind蓹, b眉t眉n brauzer D眉nyada istehsal莽谋lar谋 var 281 00:13:03,240 --> 00:13:06,470 Bu yax艧谋, q蓹rar bu versiyas谋 Bu 蓹m蓹liyyat sistemi browser olacaq 282 00:13:06,470 --> 00:13:09,740 g枚r眉n眉r ki, user-agent simli var orada crazy mess kimi. 283 00:13:09,740 --> 00:13:12,110 V蓹 Mozilla 眉莽眉n edir tarixi s蓹b蓹bl蓹ri. 284 00:13:12,110 --> 00:13:15,160 >> Amma m蓹n n蓹 q蓹d蓹r M蓹lumat bildiri艧i bel蓹 olmadan facebook.com 眉莽眉n s谋zan 285 00:13:15,160 --> 00:13:16,030 giri艧 286 00:13:16,030 --> 00:13:18,910 Hesab edir蓹m ki, ki, Mark deyir蓹m M蓹n istifad蓹 edir蓹m ki, Mac. 287 00:13:18,910 --> 00:13:23,590 Hesab edir蓹m ki, Intel var ki, onu deyir蓹m Mac Mac OS 10.8.5 莽al谋艧an 蓹saslan谋r. 288 00:13:23,590 --> 00:13:27,870 Bir k蓹nara kimi, bu m蓹lumatlar gedir Sizinl蓹 ziyar蓹t h蓹r web 289 00:13:27,870 --> 00:13:28,500 Brauzerinizin. 290 00:13:28,500 --> 00:13:31,360 Pretty indiy蓹 q蓹d蓹r z蓹r蓹rsiz, lakin bir az juicier al谋r. 291 00:13:31,360 --> 00:13:33,920 >> Qeyd ed蓹k ki, biz uzaq kifay蓹t q蓹d蓹r oxumaq ki, M蓹n Chrome versiyas谋n谋 istifad蓹 edir蓹m 292 00:13:33,920 --> 00:13:38,060 30.0.1599.101. 293 00:13:38,060 --> 00:13:42,410 Amma indi g枚r眉rs眉n眉z ki, cavab 蓹vv蓹l oldu臒u kimi pis deyil. 294 00:13:42,410 --> 00:13:44,840 Facebook harada dan谋艧anlardan m蓹n蓹 indi getm蓹k? 295 00:13:44,840 --> 00:13:49,140 Bu, yen蓹 veb m蓹n蓹 oldu - 296 00:13:49,140 --> 00:13:50,720 onu m蓹n蓹 dan谋艧anlardan oldu daimi k枚莽眉r眉l眉b. 297 00:13:50,720 --> 00:13:54,200 Yax艧谋, Facebook harada heck hara getdi? 298 00:13:54,200 --> 00:13:56,100 >> B蓹li, bel蓹 ki, bir inc蓹 f蓹rq var. 299 00:13:56,100 --> 00:14:01,680 Ancaq x蓹b蓹rdarl谋q, burada ki, veb- h蓹qiq蓹t蓹n HTTPS k枚莽m眉艧d眉l蓹r etmi艧dir. 300 00:14:01,680 --> 00:14:05,210 Bel蓹 ki, uzun hekay蓹 q谋sa, bu bir yoldur Facebook h蓹yata ki, m蓹n 301 00:14:05,210 --> 00:14:08,890 h蓹qiq蓹t蓹n t蓹hl眉k蓹siz versiyas谋 son haqqinda istifad蓹 olan bir 302 00:14:08,890 --> 00:14:09,660 艧ifreleme - 303 00:14:09,660 --> 00:14:12,730 艧ifreleme daha m眉r蓹kk蓹b biz p set iki dan谋艧m谋艧, lakin 304 00:14:12,730 --> 00:14:14,520 Buna baxmayaraq 艧ifreleme. 305 00:14:14,520 --> 00:14:17,110 >> 陌ndi bu n枚qt蓹d蓹 sabit olur m蓹ni 枚z web aldatma 眉莽眉n 306 00:14:17,110 --> 00:14:18,230 Telnet istifad蓹 t蓹l蓹b. 307 00:14:18,230 --> 00:14:20,210 Onlar dan谋艧anlardan oldu臒unuz 脟眉nki 蓹g蓹r M蓹n蓹 SSL istifad蓹 - 308 00:14:20,210 --> 00:14:23,050 HTTPS prefiks n蓹 n蓹z蓹rd蓹 tutur - 309 00:14:23,050 --> 00:14:25,590 Onlar m蓹ni istifad蓹 眉莽眉n fallar oldu臒unuz halda Kriptoqrafiya, gedir蓹m yolu yoxdur 310 00:14:25,590 --> 00:14:28,610 蓹l qar艧谋s谋nda m蓹nim mesaj 艧ifrelemek Burada siz b眉t眉n v蓹 c蓹hd 311 00:14:28,610 --> 00:14:29,770 Bunu etm蓹k 眉莽眉n nas谋l. 312 00:14:29,770 --> 00:14:31,150 Bu, sad蓹c蓹 almaq olacaq daha kompleks. 313 00:14:31,150 --> 00:14:33,150 Amma ki, n蓹 brauzer sizin 眉莽眉n edir. 314 00:14:33,150 --> 00:14:36,230 >> Biz bu bir az ed蓹 bilm蓹z, 蓹g蓹r G蓹lin bax谋n daha 莽ox sad蓹c蓹, sonra bir web il蓹 315 00:14:36,230 --> 00:14:38,700 g枚zl蓹mirdim ki, bizim kimi t蓹hl眉k蓹siz olmal谋d谋r. 316 00:14:38,700 --> 00:14:43,310 G蓹lin, dem蓹k, harvard.edu getm蓹k port 80. 317 00:14:43,310 --> 00:14:44,550 Daxil edin. 318 00:14:44,550 --> 00:14:48,170 B眉t眉n sa臒, bel蓹 ki, 莽izgi HTTP 1.1 almaq. 319 00:14:48,170 --> 00:14:49,730 V蓹 bu ilk 莽izgi n蓹 dem蓹kdir? 320 00:14:49,730 --> 00:14:53,120 N蓹 yaln谋z, ayd谋n olmaq Hesab edir蓹m ki, yazaraq saxlamaq? 321 00:14:53,120 --> 00:14:54,790 >> Yax艧谋 ad蓹t蓹n, bir URL yaz谋n zaman - 322 00:14:54,790 --> 00:14:57,610 v蓹 t蓹蓹ss眉f ki, taray谋c谋lar ad蓹t蓹n Bu g眉n bu gizle - 323 00:14:57,610 --> 00:15:00,850 Ad蓹t蓹n, siz harvard.edu gitti臒inizde r蓹smi ki, URL 324 00:15:00,850 --> 00:15:02,560 bir 莽izgi sona edir. 325 00:15:02,560 --> 00:15:07,350 Bir 莽izgi i艧ar蓹 脟眉nki sabit hans谋 hiss蓹si? 326 00:15:07,350 --> 00:15:08,990 Sabit k枚k眉nd蓹. 327 00:15:08,990 --> 00:15:11,260 Biz Arac谋 h蓹qiq蓹t蓹n idi yoxdur biz ist蓹yirik, 莽眉nki bu bar蓹d蓹 d眉艧眉nm蓹k 328 00:15:11,260 --> 00:15:12,930 h蓹mi艧蓹 John Harvard qovluq. 329 00:15:12,930 --> 00:15:14,690 Lakin qovluq ba艧qa bir qovluq var. 330 00:15:14,690 --> 00:15:17,980 V蓹 qovluq k枚k眉 var Appliance sabit s眉r眉c眉, bel蓹 dan谋艧maq, 331 00:15:17,980 --> 00:15:18,980 bu virtual bel蓹 olsa. 332 00:15:18,980 --> 00:15:21,660 Bel蓹 ki, bu vasit蓹 kimi bir 莽izgi sabit k枚k眉. 333 00:15:21,660 --> 00:15:25,650 Bu C kolon backslash kimi, v蓹 ya bu Mac OS sizin h蓹cmi k枚k. 334 00:15:25,650 --> 00:15:28,740 >> Lakin Chrome, v蓹 ba艧qa brauzerl蓹rin bu g眉n, istifad蓹莽i dostu kazan谋lm谋艧 v蓹 var 335 00:15:28,740 --> 00:15:30,300 onlar tamamil蓹 do臒ramaq ki saxla. 336 00:15:30,300 --> 00:15:32,620 Lakin b眉t眉n o dem蓹kdir ki, var m蓹nim m蓹tn mesaj - 337 00:15:32,620 --> 00:15:36,570 m蓹nim k枚k verm蓹k harvard.edu 's s蓹hif蓹m ki, bu 338 00:15:36,570 --> 00:15:38,120 default 枚z眉 s蓹hif蓹. 339 00:15:38,120 --> 00:15:39,900 M蓹n蓹 davam v蓹 Enter d眉ym蓹sini bas谋n imkan verir. 340 00:15:39,900 --> 00:15:43,650 M蓹n蓹 ist蓹yir蓹m ki, ev sahibi Xat谋rladaq www.harvard.edu, yaln谋z halda var 341 00:15:43,650 --> 00:15:45,880 m枚vzusunda ya艧ayan dig蓹r saytlar谋 eyni fiziki server. 342 00:15:45,880 --> 00:15:46,080 >> OK. 343 00:15:46,080 --> 00:15:47,700 Harvard bir az var M蓹niml蓹 s蓹birsiz. 344 00:15:47,700 --> 00:15:49,390 Bel蓹 ki, daha s眉r蓹tli, daha bu n蓹 ed蓹k. 345 00:15:49,390 --> 00:15:55,560 HTTP 1.1 host www.harvard.edu z蓹rb蓹 almaq User-Agent - 346 00:15:55,560 --> 00:15:58,080 M蓹n bizim server yoxdur guessing al谋ram Bu bar蓹d蓹 daha 莽ox qay臒谋 - 347 00:15:58,080 --> 00:15:59,566 Daxil edin. 348 00:15:59,566 --> 00:15:59,962 Whew. 349 00:15:59,962 --> 00:16:01,700 Oh, pis sor臒u Lanet olsun. 350 00:16:01,700 --> 00:16:02,080 OK. 351 00:16:02,080 --> 00:16:05,310 B蓹s burada ged蓹n - 352 00:16:05,310 --> 00:16:07,800 hello, harvard.edu. 353 00:16:07,800 --> 00:16:10,280 Maraql谋 - N蓹 眉莽眉n edir. 354 00:16:10,280 --> 00:16:11,710 Oh, OK. 355 00:16:11,710 --> 00:16:14,830 >> Bel蓹likl蓹, n蓹 Harvard indi 蓹m蓹lind蓹ndir - v蓹 biz ist蓹yirik tez off 莽谋xartmaq gedir 356 00:16:14,830 --> 00:16:17,100 Bu yolda, bu olacaq, 莽眉nki tez yorucu almaq 眉莽眉n - 357 00:16:17,100 --> 00:16:21,270 Harvard h蓹qiq蓹t蓹n fark M蓹n蓹 cavab s谋x谋lmas谋, hans谋 358 00:16:21,270 --> 00:16:22,140 ideal deyil. 359 00:16:22,140 --> 00:16:25,780 M蓹n, y蓹qin, bir insan kimi deyil, 莽眉nki ki, bit decompress 眉莽眉n nec蓹 360 00:16:25,780 --> 00:16:27,280 M蓹n蓹 s谋x谋lm谋艧 g枚nd蓹rilib. 361 00:16:27,280 --> 00:16:31,500 Zibil v蓹 onlar g枚st蓹rilir edirik edir var, onlar adet s谋f谋r v蓹 olanlar谋 ist蓹yirik, 莽眉nki, 362 00:16:31,500 --> 00:16:33,190 lakin onlar ASCII simvol deyilik. 363 00:16:33,190 --> 00:16:36,090 Onlar adet s谋f谋r v蓹 olanlar谋 n眉mun蓹l蓹ri oldu臒unu up etm蓹k s谋x谋lm谋艧 edilmi艧dir 364 00:16:36,090 --> 00:16:37,050 az yer. 365 00:16:37,050 --> 00:16:39,010 >> Bel蓹 ki, 莽ox tez, m蓹n蓹 g枚r蓹k M蓹n burada b蓹rpa ed蓹 bil蓹r. 366 00:16:39,010 --> 00:16:41,590 Ba艧qa, b蓹lk蓹, bu c蓹hd ed蓹k c蓹mi kampus. 367 00:16:41,590 --> 00:16:50,450 mit.edu get 莽izgi HTTP 莽izgi 1.1 host orada www.mit.edu User-Agent kolon. 368 00:16:50,450 --> 00:16:51,600 M陌T t蓹艧蓹kk眉r edirik. 369 00:16:51,600 --> 00:16:52,630 OK. 370 00:16:52,630 --> 00:16:55,750 Y蓹ni burada bir veb s蓹hif蓹 var. 371 00:16:55,750 --> 00:16:58,840 >> Bel蓹 ki, bu dilidir HTML kimi tan谋nan - 372 00:16:58,840 --> 00:17:00,400 Hypertext Markup Language. 373 00:17:00,400 --> 00:17:03,390 M蓹n sad蓹c蓹 geri kayd谋rarak al谋ram vaxt 莽ox almaq 374 00:17:03,390 --> 00:17:04,810 Bu s蓹hif蓹 ucu 眉st. 375 00:17:04,810 --> 00:17:07,440 V蓹 M陌T cavab verdi nec蓹 hiss m蓹nim t蓹l蓹b etm蓹k. 376 00:17:07,440 --> 00:17:08,520 200 yax艧谋d谋r. 377 00:17:08,520 --> 00:17:10,630 200 vasit蓹 h蓹r 艧ey sanki yax艧谋d谋r. 378 00:17:10,630 --> 00:17:13,390 V蓹 durum kodu ki, biz insanlar h蓹qiq蓹t蓹n he莽 379 00:17:13,390 --> 00:17:14,670 yax艧谋 bir 艧蓹kild蓹, bax. 380 00:17:14,670 --> 00:17:16,140 B眉t眉n yax艧谋 dem蓹kdir 莽眉nki. 381 00:17:16,140 --> 00:17:19,369 >> M陌T m蓹n蓹 m蓹lumatland谋r谋lmas谋 ed蓹k ki, hey, biz 莽al谋艧an oldu臒unuz server adlan谋r 382 00:17:19,369 --> 00:17:23,849 Bir 莽ox m蓹艧hur olan Apache, m蓹nb蓹 free web server a莽谋n. 383 00:17:23,849 --> 00:17:25,589 Onlar, y蓹qin, 莽al谋艧t谋r谋yorsan谋z Bir olan UNIX, 384 00:17:25,589 --> 00:17:27,130 Linux kimi 蓹m蓹liyyat sistemi. 385 00:17:27,130 --> 00:17:30,660 Onlar y蓹qin yenil蓹nir Qeyd ed蓹k ki, 4:00 g眉nortaya q蓹d蓹r 枚z web page, 386 00:17:30,660 --> 00:17:32,400 Greenwich 眉莽眉n Saat. 387 00:17:32,400 --> 00:17:34,990 >> Dig蓹r m蓹lumatlar谋 bir ne莽蓹 x蓹b蓹ri. 388 00:17:34,990 --> 00:17:37,910 Onlar m蓹n蓹, text / html qaytar谋lmas谋 edirik. 389 00:17:37,910 --> 00:17:39,800 Bel蓹likl蓹, biz o dem蓹kdir ki, n蓹 g枚r眉rs眉n眉z yaln谋z bir anda. 390 00:17:39,800 --> 00:17:45,460 Onlar y蓹qin m蓹n蓹 14.717 verilmi艧 etdik HTML d蓹y蓹rind蓹 bytes. 391 00:17:45,460 --> 00:17:48,180 V蓹 bir s谋ra dig蓹r, daha 莽ox ezoterik m蓹lumat edir. 392 00:17:48,180 --> 00:17:49,920 >> Maraql谋 olur yerl蓹艧ir, lakin bu deyil. 393 00:17:49,920 --> 00:17:52,580 Bu, bir web page etm蓹k nec蓹. 394 00:17:52,580 --> 00:17:57,860 Bu onlar谋n bir web page etm蓹k nec蓹 sekmesini Ada, brauzerinizin edir 395 00:17:57,860 --> 00:18:00,590 M陌T tire Massachusetts Institute Texnologiya. 396 00:18:00,590 --> 00:18:06,300 And olsun ki, biz Chrome geri 蓹g蓹r www.mit.edu ziyar蓹t hiss ki, 397 00:18:06,300 --> 00:18:09,680 H蓹qiq蓹t蓹n, q蓹d蓹r burada ad谋, M陌T dash Massachusetts edir 398 00:18:09,680 --> 00:18:11,260 陌nstitutu n枚qt蓹, n枚qt蓹, n枚qt蓹. 399 00:18:11,260 --> 00:18:16,490 M蓹n sa臒 bas谋n v蓹 ya 蓹g蓹r 陌ndi, d蓹, qeyd , burada masa 眉st眉 bas谋n n蓹zar蓹t 400 00:18:16,490 --> 00:18:17,960 v蓹 Page Source bax getm蓹k - 401 00:18:17,960 --> 00:18:20,870 蓹n az谋 xrom, baxmayaraq ki h蓹r browser bu, b蓹zi vasit蓹l蓹rl蓹 edir - 402 00:18:20,870 --> 00:18:22,140 Burada eyni fayl. 403 00:18:22,140 --> 00:18:25,140 >> Bu r蓹ng kodlu olmaq olur v蓹 ya syntax vur臒ulad谋. 404 00:18:25,140 --> 00:18:28,590 Lakin yaln谋z C kodu il蓹 ist蓹yir蓹m ki, Sizin renkli deyil, o, 405 00:18:28,590 --> 00:18:31,810 eyni gedit il蓹 renkli Chrome yaln谋z edir 406 00:18:31,810 --> 00:18:33,130 Bu oxumaq 眉莽眉n g枚z蓹ll蓹艧ir. 407 00:18:33,130 --> 00:18:37,110 Lakin bu ki, stuff deyil biz tezlikl蓹 yaz谋l谋 olacaq. 408 00:18:37,110 --> 00:18:38,840 Bel蓹 ki, endgame var. 409 00:18:38,840 --> 00:18:42,020 Server il蓹 cavab verdi m蓹lumat, yaln谋z kimi cavab 410 00:18:42,020 --> 00:18:43,660 bizim handshake 眉莽眉n 蓹l il蓹. 411 00:18:43,660 --> 00:18:47,280 Amma ba艧qa n蓹 ged蓹n edilm蓹lidir bu add谋mlar aras谋nda haqq谋nda? 412 00:18:47,280 --> 00:18:53,430 >> Yax艧谋, m蓹n bu son halda, yaz谋n zaman www.mit.edu v蓹 hit daxil edin, biz 413 00:18:53,430 --> 00:18:56,390 bu port s枚hb蓹t oldu臒unu bilirik Avtomatik 80, port 414 00:18:56,390 --> 00:18:57,780 yaln谋z ki say谋 olan. 415 00:18:57,780 --> 00:19:00,710 Lakin, IP 眉nvan hara getdi? 416 00:19:00,710 --> 00:19:05,045 M蓹nim komp眉ter nec蓹 figuring n蓹 mit.edu olan IP 眉nvan谋 var? 417 00:19:05,045 --> 00:19:07,720 418 00:19:07,720 --> 00:19:10,840 >> B蓹li, bu d眉nyada, orada 莽谋x谋r 艧eyi DNS server deyilir. 419 00:19:10,840 --> 00:19:14,500 V蓹 m蓹n蓹 davam v蓹 莽蓹km蓹k bildirin burada tez 艧蓹kil. 420 00:19:14,500 --> 00:19:17,680 V蓹 bu, yaln谋z h蓹yata eskiz olacaq kobud 艧蓹rtl蓹ri, neler. 421 00:19:17,680 --> 00:19:21,510 Bel蓹likl蓹, biz bu kimi iddia ed蓹c蓹yik Sanders burada m蓹nim laptop. 422 00:19:21,510 --> 00:19:24,650 V蓹 Wi-Fi, buna ba臒l谋 olmu艧dur kabelsiz bir 艧ey 眉莽眉n. 423 00:19:24,650 --> 00:19:26,060 >> Bu, h蓹qiq蓹t蓹n n蓹 ba臒l谋 olub? 424 00:19:26,060 --> 00:19:27,990 Yax艧谋, haradasa burada var ki, bir 艧ey 425 00:19:27,990 --> 00:19:29,240 B蓹zi antenalar谋 il蓹 divar. 426 00:19:29,240 --> 00:19:30,725 V蓹 bir access point deyirl蓹r - 427 00:19:30,725 --> 00:19:31,560 AP. 428 00:19:31,560 --> 00:19:34,190 Simsiz giri艧 n枚qt蓹si, simsiz router - Ist蓹diyiniz h蓹r hans谋 z蓹ng. 429 00:19:34,190 --> 00:19:36,230 Lakin onlar, kampus b眉t眉n ist蓹yirik o ki莽ik antenalar谋 il蓹. 430 00:19:36,230 --> 00:19:38,100 Bizim ad蓹t蓹n, Cisco t蓹r蓹find蓹n q蓹bul olunur. 431 00:19:38,100 --> 00:19:42,480 V蓹 bel蓹 birt蓹h蓹r, m蓹nim komp眉ter dan谋艧谋r ki, simsiz giri艧 n枚qt蓹si, 432 00:19:42,480 --> 00:19:45,580 haradasa burada Sanders, v蓹 ya altda, v蓹 ya k蓹narda. 433 00:19:45,580 --> 00:19:50,030 >> Eyni zamanda, bu 艧ey bir 莽ox var fiziki teller, g眉man ki, gedir 434 00:19:50,030 --> 00:19:52,175 Biz bil蓹rsiniz Elm M蓹rk蓹zi, bu kimi c蓹lb edir. 435 00:19:52,175 --> 00:19:54,200 Bu, h蓹qiq蓹t蓹n, bel蓹 g枚r眉nm眉r. 436 00:19:54,200 --> 00:19:55,200 Bu, h蓹qiq蓹t蓹n, 莽ox yax艧谋 g枚r眉n眉r. 437 00:19:55,200 --> 00:19:59,170 Elm M蓹rk蓹zinin b眉t眉n d蓹st蓹 vard谋r onun daxili komp眉ter ki, 438 00:19:59,170 --> 00:20:02,320 birt蓹h蓹r fiziki b眉t眉n ba臒l谋d谋r kampus bu giri艧 n枚qt蓹l蓹ri. 439 00:20:02,320 --> 00:20:06,440 V蓹 bu fiziki komp眉ter, biz ed蓹c蓹yik y枚nlendirici v蓹 ya ge莽itleri z蓹ng edin. 440 00:20:06,440 --> 00:20:09,450 >> Onun ad谋 t蓹klif kimi router,, bu, h蓹yat m蓹qs蓹di mar艧rut 眉莽眉n 441 00:20:09,450 --> 00:20:10,310 m蓹lumat. 442 00:20:10,310 --> 00:20:14,150 O, komp眉ter, b蓹zi bit edir kimi oldu臒u 眉莽眉n giri艧, v蓹 r蓹q蓹ml蓹r 443 00:20:14,150 --> 00:20:15,640 o bit g枚nd蓹rilm蓹lidir. 444 00:20:15,640 --> 00:20:19,910 Bel蓹 ki, m蓹nim sor臒u halda mit.edu, bu, h蓹qiq蓹t蓹n olduqca asand谋r. 445 00:20:19,910 --> 00:20:24,620 M蓹nim ist蓹yi, m蓹nim brauzer g蓹lir Wi-Fi, 莽谋x谋艧 n枚qt蓹si, sonra, 446 00:20:24,620 --> 00:20:27,080 bir kabel vasit蓹sil蓹, bir router daxil Elm M蓹rk蓹zind蓹. 447 00:20:27,080 --> 00:20:29,810 Da V蓹 el蓹 ki, router Elm M蓹rk蓹zinin h蓹yata r蓹q蓹ml蓹r 448 00:20:29,810 --> 00:20:31,510 ki, M陌T ki yoludur. 449 00:20:31,510 --> 00:20:34,080 V蓹 m蓹n o ir蓹lil蓹m蓹k 眉莽眉n gidiyorum bit, I, mar艧rut h蓹min bit gidiyorum 450 00:20:34,080 --> 00:20:36,670 yol a艧a臒谋, K陌V Ave a艧a臒谋., M陌T. 451 00:20:36,670 --> 00:20:42,030 Amma nec蓹 m蓹nim komp眉ter bilirik n蓹 IP 眉nvan谋 h蓹tta idi? 452 00:20:42,030 --> 00:20:45,660 >> Yax艧谋 ki, haradasa 莽谋x谋r Burada server var - 453 00:20:45,660 --> 00:20:48,330 v蓹 m蓹n c蓹lb etm蓹k gidiyorum 蓹dal蓹tli abstractly - 454 00:20:48,330 --> 00:20:49,710 - Bir DNS server kimi 455 00:20:49,710 --> 00:20:51,220 Domain Name System. 456 00:20:51,220 --> 00:20:51,960 Bu y枚nlendirici deyil. 457 00:20:51,960 --> 00:20:56,050 Bu serverl蓹r m眉xt蓹lif n枚vl蓹ri h蓹yat onun m蓹qs蓹d t蓹rc眉m蓹 etm蓹k 458 00:20:56,050 --> 00:21:04,340 IP www.mit.edu kimi ana komp眉ter adlar谋n谋, 眉nvanlar谋, 1.2.3.4 kimi Bel蓹 ki, DNS serverl蓹rin 459 00:21:04,340 --> 00:21:05,240 m蓹hz bunu. 460 00:21:05,240 --> 00:21:08,320 Siz b枚y眉k olan kimi hesab ed蓹 bil蓹r veril蓹nl蓹r bazas谋, v蓹 ya, h蓹qiq蓹t蓹n, b枚y眉k bir Excel kimi 461 00:21:08,320 --> 00:21:09,750 iki s眉tun fayl谋. 462 00:21:09,750 --> 00:21:12,120 Bir ana adlar谋, biri IP 眉nvanlar edir. 463 00:21:12,120 --> 00:21:15,020 Onlar yaln谋z bir 莽evirm蓹k ba艧qa, ya istiqam蓹td蓹. 464 00:21:15,020 --> 00:21:16,830 >> 陌ndi 蓹slind蓹, bir az var daha kompleks. 465 00:21:16,830 --> 00:21:22,070 Amma ki, nec蓹 m蓹nim komp眉ter, m蓹nim t蓹sad眉fi Mac v蓹 ya burada bu c蓹dv蓹ld蓹 PC bilir, 466 00:21:22,070 --> 00:21:27,590 n蓹 unikal identifikator 眉莽眉n www.mit.edu, v蓹 ya Facebook, v蓹 ya 467 00:21:27,590 --> 00:21:29,680 ki, m蓹s蓹l蓹 harvard.edu. 468 00:21:29,680 --> 00:21:33,520 Amma 蓹lb蓹tt蓹 ki, tam var burada K眉tl蓹vi Ave. 469 00:21:33,520 --> 00:21:37,390 V蓹 sonra, biz bu, M陌T almaq h蓹qiq蓹t蓹n, 莽ox 莽ekici. 470 00:21:37,390 --> 00:21:39,230 Bu M陌T olacaq. 471 00:21:39,230 --> 00:21:41,580 V蓹 onlar da, b蓹zi server var. 472 00:21:41,580 --> 00:21:45,770 V蓹 onlar el蓹 bir simli, v蓹 ya Harvard simsiz, ke莽id. 473 00:21:45,770 --> 00:21:48,830 茝lb蓹tt蓹, biz 莽ox uzaq getm蓹k olar M陌T, daha yol a艧a臒谋 v蓹 dan谋艧maq 474 00:21:48,830 --> 00:21:50,470 D眉nyada 蓹n 莽ox hans谋 komp眉ter. 475 00:21:50,470 --> 00:21:52,060 >> Amma biz g枚r眉r眉k ki, m眉mk眉n olmad谋qda nin g枚r蓹k. 476 00:21:52,060 --> 00:21:54,810 M蓹nim Terminal geri gidelim yaln谋z bir an 眉莽眉n p蓹nc蓹r蓹. 477 00:21:54,810 --> 00:22:00,170 V蓹 ed蓹k m蓹n fiqurlu g眉man n蓹 IP 眉nvan mit.edu 眉莽眉n 478 00:22:00,170 --> 00:22:02,700 Telnet 蓹vv蓹l fiqurlu kimi, v蓹 m蓹nim brauzerinizin ayd谋n ola bil蓹r 479 00:22:02,700 --> 00:22:03,960 m蓹nim 眉莽眉n anlamaq. 480 00:22:03,960 --> 00:22:06,970 V蓹 m蓹n, ba艧qa bir proqram 莽al谋艧t谋rmak 眉莽眉n gidiyorum Bu terminal p蓹nc蓹r蓹 adl谋 481 00:22:06,970 --> 00:22:10,320 traceroute ki, axtar谋艧 buradan mar艧rutu - 482 00:22:10,320 --> 00:22:13,760 s枚z眉n, bu masa - www.mit.edu 眉莽眉n. 483 00:22:13,760 --> 00:22:14,750 Ne g枚rm蓹k ed蓹k. 484 00:22:14,750 --> 00:22:16,690 M蓹n蓹 h蓹qiq蓹t蓹n font 枚l莽眉s眉 shrink ed蓹k. 485 00:22:16,690 --> 00:22:17,430 Oop. 486 00:22:17,430 --> 00:22:18,790 Xeyr, M蓹n siz蓹 s眉rpriz ist蓹di. 487 00:22:18,790 --> 00:22:19,110 >> OK. 488 00:22:19,110 --> 00:22:20,870 Bel蓹 ki, burada biz gedin. 489 00:22:20,870 --> 00:22:22,880 M蓹n蓹 ir蓹li getm蓹k v蓹 burada bu run ed蓹k. 490 00:22:22,880 --> 00:22:26,410 V蓹 n蓹 bir an 蓹vv蓹l g枚r蓹n, v蓹 indi yen蓹 g枚rd眉kd蓹, bu 491 00:22:26,410 --> 00:22:29,980 脟谋x谋艧 - traceroute www.mit.edu. 492 00:22:29,980 --> 00:22:33,380 , Ilk olaraq, bu proqram X蓹b蓹r h蓹qiq蓹t蓹n h蓹yata fiqurlu ki, M陌T-in 493 00:22:33,380 --> 00:22:35,730 IP 眉nvan burada say谋 dir. 494 00:22:35,730 --> 00:22:38,060 V蓹 indi neler Biziml蓹 onlar aras谋nda? 495 00:22:38,060 --> 00:22:44,110 >> Bel蓹 ki, burada bu x蓹tti, sat谋r bir, v蓹 bu burada s谋ra iki, sonra x蓹tti, 496 00:22:44,110 --> 00:22:46,335 s谋ra 眉莽 - bu h蓹r n蓹 x蓹tl蓹ri y蓹qin t蓹msil? 497 00:22:46,335 --> 00:22:49,010 498 00:22:49,010 --> 00:22:50,225 Saxla, bal, 蓹min olun. 499 00:22:50,225 --> 00:22:53,520 Onlar konseptual, mayaotu adl谋 edirik. 500 00:22:53,520 --> 00:22:56,230 Lakin fiziki, onlar hans谋lard谋r? 501 00:22:56,230 --> 00:22:57,130 Onlar mar艧rutla艧d谋r谋c谋lar谋 ist蓹yirik. 502 00:22:57,130 --> 00:22:59,820 >> Biz yaln谋z, h蓹qiq蓹t蓹n, bir par莽a var burada hardware indiy蓹 q蓹d蓹r haqq谋nda dan谋艧maq. 503 00:22:59,820 --> 00:23:00,560 Onlar mar艧rutla艧d谋r谋c谋lar谋 ist蓹yirik. 504 00:23:00,560 --> 00:23:01,800 Bu 艧ey bel蓹 - 505 00:23:01,800 --> 00:23:02,990 crazy ad谋 - 506 00:23:02,990 --> 00:23:06,700 lakin bu, y蓹qin ki, ma艧谋n otaq MR, Elm M蓹rk蓹zind蓹. 507 00:23:06,700 --> 00:23:08,680 Bu Gateway l蓹q蓹bli router var. 508 00:23:08,680 --> 00:23:11,160 Bu yaln谋z bir unikal n枚mr蓹sini edir ki, kims蓹 bunun 眉莽眉n g眉nd蓹m蓹 g蓹ldi. 509 00:23:11,160 --> 00:23:13,120 V蓹 harvard.edu 蓹rzind蓹 var. 510 00:23:13,120 --> 00:23:16,290 V蓹 ki, mar艧rutlay谋c谋 IP 眉nvan谋 var ki, y蓹qin ki, yen蓹 var 511 00:23:16,290 --> 00:23:17,860 Onun ad谋 蓹sas谋nda Elm M蓹rk蓹zi. 512 00:23:17,860 --> 00:23:21,440 Bu ikinci s谋ra ba艧qa t蓹msil bir l蓹q蓹b yoxdur ki router 513 00:23:21,440 --> 00:23:23,980 y蓹qin - bir host ad谋 - bu yaln谋z bir IP 眉nvan谋 var. 514 00:23:23,980 --> 00:23:28,070 >> M蓹lumat almaq 眉莽眉n bel蓹 uzun hekay蓹 q谋sa, B bal, yaln谋z daha 莽ox var 515 00:23:28,070 --> 00:23:31,400 Harvard router v蓹 M陌T-in router, v蓹 Google router, 516 00:23:31,400 --> 00:23:32,640 v蓹 Facebook router. 517 00:23:32,640 --> 00:23:37,300 Onlarla, y眉zl蓹rl蓹, minl蓹rl蓹 var h蓹r hans谋 bir n枚qt蓹sind蓹 aras谋nda mar艧rutla艧d谋r谋c谋lar谋 A v蓹 h蓹r hans谋 bir 518 00:23:37,300 --> 00:23:38,710 internet n枚qt蓹si B. 519 00:23:38,710 --> 00:23:41,710 Amma ad蓹t蓹n, siz m蓹lumat 蓹ld蓹 ed蓹 bil蓹rsiniz bir bax谋mdan bir- 520 00:23:41,710 --> 00:23:43,210 30 mayaotu az. 521 00:23:43,210 --> 00:23:47,930 Ba艧qa s枚zl蓹, yaln谋z 蓹l var veri 30 v蓹 ya daha az bel蓹 mar艧rutla艧d谋r谋c谋lar谋 眉莽眉n. 522 00:23:47,930 --> 00:23:49,720 V蓹 ad蓹t蓹n 莽ox var daha az. 523 00:23:49,720 --> 00:23:50,970 >> Yax艧谋, burada n蓹 g枚rm蓹k ed蓹k. 524 00:23:50,970 --> 00:23:54,460 S谋ra 眉莽, biz adl谋 router edib core Elm M蓹rk蓹zinin gateway 525 00:23:54,460 --> 00:23:56,580 bir 艧ey v蓹 ya dig蓹r. 526 00:23:56,580 --> 00:23:58,970 S谋ra 4, biz s蓹rh蓹d Gateway var - 527 00:23:58,970 --> 00:24:00,670 Bu yaln谋z sirli acronyms var - 528 00:24:00,670 --> 00:24:02,530 d蓹 harvard.edu daxilind蓹. 529 00:24:02,530 --> 00:24:04,160 Burada ba艧qa s蓹rh蓹d Gateway var. 530 00:24:04,160 --> 00:24:09,070 V蓹 sonra, ani, Vay b眉t眉n biz Nyu-Yorkda olmaq g枚r眉n眉r. 531 00:24:09,070 --> 00:24:12,030 >> Bel蓹 莽谋x谋r - v蓹 m蓹n inferring Ben yaln谋z host ad谋. 532 00:24:12,030 --> 00:24:12,970 Bu yanl谋艧 ola bil蓹r. 533 00:24:12,970 --> 00:24:13,830 Bu yol a艧a臒谋 ola bil蓹r. 534 00:24:13,830 --> 00:24:15,030 Bunu dem蓹k 莽蓹tin var - 535 00:24:15,030 --> 00:24:21,960 lakin bu bir v蓹hy kimi istifad蓹 edil蓹 bil蓹r ki, iki aras谋nda 蓹n q谋sa m蓹saf蓹 536 00:24:21,960 --> 00:24:25,730 internet bal deyil bir d眉z x蓹tt laz谋m. 537 00:24:25,730 --> 00:24:29,380 Biz s眉r蓹tli kimi q谋sa d眉艧眉n眉yorsan谋z yol, 蓹n s谋x m蓹skunla艧m谋艧 538 00:24:29,380 --> 00:24:32,070 yol, bu, m眉mk眉nd眉r - biz 蓹min ola bil蓹r, baxmayaraq - 539 00:24:32,070 --> 00:24:37,090 m蓹lumatlar layiqli s蓹yah蓹t ki, sat谋r be艧 v蓹 alt谋 aras谋nda m蓹saf蓹. 540 00:24:37,090 --> 00:24:42,000 >> 陌ndi t蓹蓹ss眉f ki M陌T, v蓹 ya kims蓹 var bir az 枚z眉n眉 m眉dafi蓹 v蓹 onlar var 541 00:24:42,000 --> 00:24:43,700 Bizim sor臒u m蓹h蓹l ba艧lad谋. 542 00:24:43,700 --> 00:24:47,380 Bu y枚nlendirici 眉莽眉n konfiqurasiya edilmi艧 olan forma t蓹l蓹bl蓹rin蓹 m蓹h蓹l qoymamaq 543 00:24:47,380 --> 00:24:48,900 siz, kim siz蓹 kim. 544 00:24:48,900 --> 00:24:51,650 Bel蓹likl蓹, biz bunu ed蓹 bil蓹rsiniz Bakal媒m daha kooperativ kims蓹 il蓹. 545 00:24:51,650 --> 00:24:56,260 Bel蓹 ki, Stanford bir g枚z蓹l 蓹n蓹n蓹y蓹 malikdir bir az daha a莽谋q olan. 546 00:24:56,260 --> 00:24:57,820 Bel蓹 ki, burada n蓹 g枚rm蓹k ed蓹k. 547 00:24:57,820 --> 00:24:59,080 >> Yen蓹 olduqca sirli. 548 00:24:59,080 --> 00:25:01,040 Amma ma艧谋n, yen蓹 ba艧lamaq Elm otaq 549 00:25:01,040 --> 00:25:01,990 S谋ra bir M蓹rk蓹zi. 550 00:25:01,990 --> 00:25:02,660 Bel蓹 ki, yax艧谋. 551 00:25:02,660 --> 00:25:05,240 Server 莽oxu, cavab etdi Stanford o c眉ml蓹d蓹n. 552 00:25:05,240 --> 00:25:07,940 Biz ma艧谋n ota臒谋 getdil蓹r qeyd Elm M蓹rk蓹zind蓹, b蓹zi 553 00:25:07,940 --> 00:25:11,770 ba艧qa yerd蓹 ba艧qa, anonim router Bir s蓹rh蓹d Elm M蓹rk蓹zi Gateway 554 00:25:11,770 --> 00:25:13,970 Burada bir 艧ey 眉莽眉n Gateway, sonra - 555 00:25:13,970 --> 00:25:14,620 nox.org. 556 00:25:14,620 --> 00:25:19,330 Bu 艦imali Crossroads, bir 莽ox m蓹艧hur imtahanedici n枚qt蓹ni 莽ox 557 00:25:19,330 --> 00:25:21,080 v蓹 kabell蓹r, 陌nternet provayderl蓹r 莽ox - 558 00:25:21,080 --> 00:25:23,220 陌nternet xidm蓹ti provayderl蓹ri - daxil qo艧un. 559 00:25:23,220 --> 00:25:25,470 Burada ba艧qa ads谋z IP burada. 560 00:25:25,470 --> 00:25:27,530 Burada ba艧qa c眉r server var. 561 00:25:27,530 --> 00:25:29,910 >> Amma bu maraql谋 deyil. 562 00:25:29,910 --> 00:25:33,750 Router ild蓹 harada s谋ra s蓹kkiz, y蓹qin ki? 563 00:25:33,750 --> 00:25:36,030 Bel蓹 ki, Va艧inqton, DC y蓹qin edir. 564 00:25:36,030 --> 00:25:40,290 V蓹 m蓹n n枚v do臒rulamak bil蓹r ki, f蓹rziyy蓹 bu d蓹f蓹. 565 00:25:40,290 --> 00:25:45,230 Getm蓹k 眉莽眉n nec蓹 uzun idi, 莽眉nki Elm M蓹rk蓹zinin bu mar艧rutlay谋c谋 566 00:25:45,230 --> 00:25:46,370 s谋ra yeddi? 567 00:25:46,370 --> 00:25:49,820 Yax艧谋, bu ms 枚l莽m蓹l蓹r burada sa臒 h蓹yata ke莽irilir 568 00:25:49,820 --> 00:25:51,960 O zaman hesablamalar谋. 569 00:25:51,960 --> 00:25:54,610 >> 脟眉nki onlar谋n 眉莽 var proqram谋, traceroute, h蓹r 莽al谋艧谋r 570 00:25:54,610 --> 00:25:58,010 router 眉莽 d蓹f蓹, yaln谋z bel蓹 ed蓹 bil蓹rsiniz 蓹d蓹d bir vizual orta. 571 00:25:58,010 --> 00:26:00,230 Amma bu, y蓹qin alt谋 edir almaq 眉莽眉n ms 572 00:26:00,230 --> 00:26:01,840 yeddi-nin router s谋ra. 573 00:26:01,840 --> 00:26:05,470 Amma nec蓹 s眉r蓹tl蓹 bil蓹rsiniz, y蓹qin, siz sizin aran谋zda az olarsa, s蓹yah蓹t 574 00:26:05,470 --> 00:26:09,520 Boston v蓹 Va艧inqton DC? 575 00:26:09,520 --> 00:26:14,180 14 ms bu al谋r kimi uzun ki, ani mesaj, bunun 眉莽眉n 576 00:26:14,180 --> 00:26:18,870 ki, web page sor臒u 眉莽眉n e-po莽t, burada v蓹 Va艧inqton aras谋nda s蓹yah蓹t. 577 00:26:18,870 --> 00:26:23,970 >> M蓹n daha da getm蓹k varsa, say谋 10, mar艧rutlay谋c谋 M蓹n indi y蓹qin n蓹 艧蓹h蓹r am? 578 00:26:23,970 --> 00:26:24,810 Bel蓹 ki, Houston. 579 00:26:24,810 --> 00:26:27,350 Bu t蓹sdiqini tap谋b vaxt jump edir. 580 00:26:27,350 --> 00:26:28,730 Bu, h蓹qiq蓹t蓹n Houston almaq 眉莽眉n yava艧 oldu. 581 00:26:28,730 --> 00:26:33,960 Bu almaq 眉莽眉n 47 ms edir Bu halda Houston Boston. 582 00:26:33,960 --> 00:26:37,120 V蓹 biz daha n蓹z蓹r salsaq, LAX - 583 00:26:37,120 --> 00:26:41,430 biz Stanford 蓹ld蓹 etdiyiniz kimi g枚r眉n眉r LA ke莽蓹r蓹k bu 艧蓹kild蓹 n枚v. 584 00:26:41,430 --> 00:26:43,170 Amma LAX ki inferring al谋ram. 585 00:26:43,170 --> 00:26:46,390 Bu geeks hava liman谋nda kodlar谋 istifad蓹 edirl蓹r burada y枚nlendirici adlar谋. 586 00:26:46,390 --> 00:26:48,600 Bu ard谋c谋l n枚v眉 ehtimal谋 il蓹. 587 00:26:48,600 --> 00:26:50,260 82 ms. 588 00:26:50,260 --> 00:26:54,720 >> Sonra, biz y蓹qin ba艧qa LAX getm蓹k ba艧qa LA router v蓹 sonra, b蓹zi 589 00:26:54,720 --> 00:26:59,530 ads谋z bir, sonra n蓹hay蓹t, sirli Stanford a臒谋nda ad谋, v蓹 ya 590 00:26:59,530 --> 00:27:04,670 yax谋n ora, stanford.edu edir 90 ms 眉z, v蓹 ya 6 591 00:27:04,670 --> 00:27:06,170 t蓹yyar蓹 il蓹 plus saat. 592 00:27:06,170 --> 00:27:09,360 Bel蓹 ki, bu s眉r蓹tli data s蓹f蓹r nec蓹 internet. 593 00:27:09,360 --> 00:27:11,410 V蓹 biz tamamil蓹 艧eyl蓹r Bu g眉n veril蓹n edirl蓹r. 594 00:27:11,410 --> 00:27:13,950 茝g蓹r b蓹zi Gchat olan oldu臒unuzda kims蓹 v蓹 mesajlar谋 蓹dal蓹tli 595 00:27:13,950 --> 00:27:16,940 g枚r眉nen nec蓹 hesab s眉r蓹tli ki, ba艧 verir. 596 00:27:16,940 --> 00:27:21,540 V蓹 g枚rm蓹, h蓹qiq蓹t蓹n olub d蓹r蓹c蓹si bu c眉r edir. 597 00:27:21,540 --> 00:27:25,620 >> Bel蓹 ki, xal bir v蓹 18 aras谋nda, Bu halda var 598 00:27:25,620 --> 00:27:26,890 y枚nlendirici ba艧qa 艧eyl蓹r. 599 00:27:26,890 --> 00:27:30,140 B蓹zi ma艧谋n internet hans谋lard谋r trafik blok ed蓹 bil蓹r ki, 600 00:27:30,140 --> 00:27:31,610 vasit蓹sil蓹 蓹ld蓹? 601 00:27:31,610 --> 00:27:31,950 >> T茝L茝B茝: firewall. 602 00:27:31,950 --> 00:27:32,910 >> HOPARL脰R 1: Bel蓹 ki, firewall. 603 00:27:32,910 --> 00:27:36,260 V蓹 biz 艧蓹xsi firewall var bel蓹 脰z Mac v蓹 ya PC ed蓹 bil蓹rsiniz 604 00:27:36,260 --> 00:27:37,540 v蓹 ya h蓹yata trafik. 605 00:27:37,540 --> 00:27:38,990 Harvard firewall var. 606 00:27:38,990 --> 00:27:40,820 M陌T ehtimalla firewall var. 607 00:27:40,820 --> 00:27:44,400 V蓹 Stanford kimi b眉t眉n yap谋yor malik internet xidm蓹ti provayderl蓹ri 608 00:27:44,400 --> 00:27:49,260 bal aras谋nda bu mar艧rutla艧d谋r谋c谋lar谋 A v蓹 B. Amma he莽 hesab dayand谋rmaq verm蓹di 609 00:27:49,260 --> 00:27:52,710 bir firewall i艧l蓹ri nec蓹 ya qay臒谋. 610 00:27:52,710 --> 00:27:56,380 Yax艧谋, art谋q biz 蓹sas binas谋 bloklar谋 m眉h蓹ndisi olan 611 00:27:56,380 --> 00:27:57,700 ki, cavab. 612 00:27:57,700 --> 00:27:59,090 >> Bir firewall olsayd谋 - 613 00:27:59,090 --> 00:28:03,740 v蓹 G蓹lin bir yerd蓹 oldu臒unu g眉man point v蓹 point B. aras谋nda 614 00:28:03,740 --> 00:28:06,080 Kabel, siz daxil g蓹lir v蓹 h蓹yata gedir. 615 00:28:06,080 --> 00:28:11,160 Bel蓹 ki, texnoloji qabiliyy蓹ti var olan z蓹rf蓹 b眉t眉n baxmaq 616 00:28:11,160 --> 00:28:14,200 aras谋nda ax谋r ki, informasiya Siz v蓹 dig蓹r 艧蓹xs. 617 00:28:14,200 --> 00:28:17,280 Ba艧qa s枚zl蓹, o get mesajlar m蓹n 蓹l yazaraq, siz hesab ed蓹 bil蓹r 618 00:28:17,280 --> 00:28:21,060 kims蓹 s眉r蓹tli bir qeyd yazmaq kimi, Bu IP 眉nvan谋 qoyaraq 619 00:28:21,060 --> 00:28:24,810 alan v蓹 v蓹 port n枚mr蓹sini Al谋c谋, bu z蓹rfin 眉z蓹rind蓹, sonra, 620 00:28:24,810 --> 00:28:28,520 枚z IP 眉nvan谋 v蓹 枚z yaz谋 眉st sol t蓹r蓹fd蓹n port n枚mr蓹si 621 00:28:28,520 --> 00:28:30,230 bir m蓹ktub oldu臒u kimi k眉nc. 622 00:28:30,230 --> 00:28:32,520 Daha sonra, kabelsiz onu g枚nd蓹rin. 623 00:28:32,520 --> 00:28:37,130 V蓹 el蓹, y枚nlendirici vasit蓹sil蓹 s蓹yah蓹t teller vasit蓹sil蓹 kabelsiz, 624 00:28:37,130 --> 00:28:39,190 M陌T yol a艧a臒谋. 625 00:28:39,190 --> 00:28:43,520 >> Bir firewall etdiyiniz Bel蓹 ki, nec蓹 siz ba艧 ki, dayand谋rmaq? 626 00:28:43,520 --> 00:28:49,710 Siz n蓹 ed蓹rdiniz n枚vb蓹ti p 蓹g蓹r m眉蓹yy蓹n bir firewall h蓹yata idi? 627 00:28:49,710 --> 00:28:53,980 M蓹n b眉t眉n Harvard insanlar nec蓹 dayand谋rmaq yoxdur daha insanlar M陌T dan谋艧谋r? 628 00:28:53,980 --> 00:28:55,870 >> [? T茝L茝B茝: Siz] m蓹ktubu geri?. 629 00:28:55,870 --> 00:28:56,450 >> HOPARL脰R 1: n蓹? 630 00:28:56,450 --> 00:28:58,140 >> [? T茝L茝B茝: Reverse] erk蓹n m蓹ktubu. 631 00:28:58,140 --> 00:28:59,290 >> HOPARL脰R: 1 m蓹ktub Reverse - n蓹 dem蓹kdir? 632 00:28:59,290 --> 00:29:01,130 >> [? T茝L茝B茝:? G枚nd蓹rm蓹k] bu g枚nderene geri. 633 00:29:01,130 --> 00:29:01,780 >> HOPARL脰R 1: geri g枚nd蓹r. 634 00:29:01,780 --> 00:29:01,990 OK. 635 00:29:01,990 --> 00:29:05,720 Bel蓹 ki, virtual r蓹dd ed蓹 bil蓹r geri etm蓹kl蓹 n枚v z蓹rfd蓹, 636 00:29:05,720 --> 00:29:06,660 birt蓹h蓹r g枚nd蓹r蓹n. 637 00:29:06,660 --> 00:29:08,370 Q蓹d蓹r 蓹min ki, n蓹 biz nail olmaq ist蓹yirik. 638 00:29:08,370 --> 00:29:09,440 Lakin ed蓹k bir az daha d蓹rin dal谋艧. 639 00:29:09,440 --> 00:29:10,460 M蓹n nec蓹 etm蓹liy蓹m? 640 00:29:10,460 --> 00:29:13,950 >> Bu problem蓹 giri艧 varsa - Ben 蓹g蓹r firewall v蓹 m蓹n s蓹m蓹r蓹li Ben 641 00:29:13,950 --> 00:29:18,020 bal A v蓹 B aras谋nda daimi v蓹 M蓹n baxmaq olur ki, bir orta insanam 642 00:29:18,020 --> 00:29:21,240 bu z蓹rf daxilind蓹 v蓹 q蓹rar geri g枚nd蓹rm蓹k 眉莽眉n olub 643 00:29:21,240 --> 00:29:25,030 Harvard v蓹 ya onu davam etdirm蓹k 眉莽眉n imkan, n蓹 ki, firewall, m蓹n gedir蓹m edir 644 00:29:25,030 --> 00:29:26,280 baxmaq ist蓹yir蓹m? 645 00:29:26,280 --> 00:29:29,030 646 00:29:29,030 --> 00:29:29,975 >> M蓹n burada e艧itdim edir蓹m. 647 00:29:29,975 --> 00:29:30,550 >> [? T茝L茝B茝: Bu haradan] g蓹l蓹n?. 648 00:29:30,550 --> 00:29:32,360 >> HOPARL脰R 1: g蓹l蓹n oldu臒u. 649 00:29:32,360 --> 00:29:36,410 Bel蓹 ki, m蓹nb蓹 IP 眉nvan 蓹g蓹r - q蓹d蓹r burada ki莽ik say谋 - 650 00:29:36,410 --> 00:29:38,430 aid IP 眉nvan谋 - Harvard 眉莽眉n 651 00:29:38,430 --> 00:29:40,220 v蓹 m蓹n h蓹qiq蓹t蓹n bilir蓹m ed蓹 bil蓹r ki, y眉ks蓹k ehtimal谋 il蓹. 652 00:29:40,220 --> 00:29:45,540 Harvard IP 眉nvanlar 莽oxu ba艧lamaq 140,247 dot bir 艧ey dot il蓹 653 00:29:45,540 --> 00:29:48,810 bir 艧ey, v蓹 ya 128,103 dot bir 艧ey dot bir 艧ey. 654 00:29:48,810 --> 00:29:51,450 Harvard o chunks malikdir IP adresleri. 655 00:29:51,450 --> 00:29:55,200 >> Yax艧谋, m蓹n kimi ki, IP 眉nvanlar谋n谋 g枚r眉rs眉n眉zs蓹 g枚nd蓹r蓹n, yaln谋z geri g枚nd蓹r蓹 bil蓹rsiniz. 656 00:29:55,200 --> 00:29:57,380 Reall谋qda is蓹, internet deyil vaxt israf narahat 657 00:29:57,380 --> 00:29:58,460 geri bit g枚nd蓹rilm蓹si. 658 00:29:58,460 --> 00:30:02,480 Bu, sad蓹c蓹 s枚z眉n paket damla bu silerek, s蓹m蓹r蓹li. 659 00:30:02,480 --> 00:30:04,190 Bel蓹likl蓹, m蓹n baxmayaraq da ba艧qa n蓹 ola bil蓹r? 660 00:30:04,190 --> 00:30:10,520 M蓹n insanlar谋n etsin g眉man Harvard s蓹f蓹r mit.edu v蓹 qoparmaq 661 00:30:10,520 --> 00:30:13,230 web saytlar谋 v蓹 watch videos M陌T, v蓹 kimi d蓹. 662 00:30:13,230 --> 00:30:17,970 Amma m蓹n Harvard insanlar ist蓹mir蓹m M陌T h蓹r k蓹s e-po莽t. 663 00:30:17,970 --> 00:30:23,810 Nec蓹 izin ver蓹 bil蓹r Harvard yol internet vasit蓹sil蓹, M陌T, amma izin 眉莽眉n 664 00:30:23,810 --> 00:30:24,700 Bir e-po莽t kimi bir 艧ey? 665 00:30:24,700 --> 00:30:25,840 >> [? T茝L茝B茝: The] port n枚mr蓹si. 666 00:30:25,840 --> 00:30:28,650 >> HOPARL脰R 1: A port n枚mr蓹si - var ki, yaln谋z dig蓹r t蓹rkib hiss蓹si var. 667 00:30:28,650 --> 00:30:31,880 Biz biz yaln谋z IP 眉nvan谋 var kullan谋larak geli艧tirilebiliyor, ya da, port n枚mr蓹si 668 00:30:31,880 --> 00:30:34,870 burada 80, benzersiz ifad蓹 ed蓹r蓹k, web trafik m眉蓹yy蓹n edir. 669 00:30:34,870 --> 00:30:37,430 陌ndi bu bilirik g枚zl蓹m蓹k deyil - 茝g蓹r b蓹zil蓹ri art谋q bilirik bil蓹r 670 00:30:37,430 --> 00:30:38,210 tan谋艧l谋q d蓹n - 671 00:30:38,210 --> 00:30:41,860 istifad蓹 ki, bir s谋ra var e-po莽t 眉莽眉n, ad蓹t蓹n? 672 00:30:41,860 --> 00:30:43,080 Bu tez-tez 25 var. 673 00:30:43,080 --> 00:30:48,520 25 SMTP istinad edir, bir po莽t siz ola bil蓹r ki, transfer protokolu 674 00:30:48,520 --> 00:30:51,270 Siz ist蓹yirsinizs蓹, bir n枚qt蓹d蓹 qurmaq idi Eudora, v蓹 ya Outlook istifad蓹 ed蓹r蓹k, v蓹 ya 675 00:30:51,270 --> 00:30:52,120 kimi bir 艧ey. 676 00:30:52,120 --> 00:30:53,190 Bu, yaln谋z bir s谋ra - 677 00:30:53,190 --> 00:30:54,100 25. 678 00:30:54,100 --> 00:30:58,934 >> Biz istifad蓹 edil蓹n Telnet, 蓹vv蓹l, 23 istifad蓹 edir. 679 00:30:58,934 --> 00:30:59,770 FTP - 680 00:30:59,770 --> 00:31:03,750 fayl 枚t眉r眉lm蓹si protokolu, he莽 varsa bir s蓹si - 21 istifad蓹 edir. 681 00:31:03,750 --> 00:31:07,430 HTTPS, HTTP t蓹hl眉k蓹siz versiyas谋 biz qay谋da bil蓹rsiniz 682 00:31:07,430 --> 00:31:10,130 蓹vv蓹l uzun, 443 istifad蓹 edir. 683 00:31:10,130 --> 00:31:14,240 Bel蓹 ki, d眉nyan谋n b眉t眉n d蓹st蓹 var - paketl蓹rin 蓹laq蓹dar n枚mr蓹l蓹ri 684 00:31:14,240 --> 00:31:17,760 蓹ksin蓹, xidm蓹tl蓹ri 蓹laq蓹dar o faktiki n枚mr蓹l蓹ri. 685 00:31:17,760 --> 00:31:19,400 Bel蓹 ki, b眉t眉n bir firewall edir var. 686 00:31:19,400 --> 00:31:23,330 Bu virtual daxilind蓹 n蓹z蓹r alaraq var z蓹rf, sonra B蓹li q蓹rar v蓹 ya Xeyr 687 00:31:23,330 --> 00:31:26,230 birlikd蓹 莽atd谋rmaq 眉莽眉n 蓹sasl谋 h蓹min madd蓹l蓹r. 688 00:31:26,230 --> 00:31:29,720 >> 陌ndi Harvard ayd谋n n蓹 ed蓹 bil蓹r bu firewall ke莽mi艧 olsun? 689 00:31:29,720 --> 00:31:33,620 Mesaj g枚nd蓹r蓹 bilm蓹k ist蓹yirsinizs蓹 M陌T, lakin a艧kar deyil, 690 00:31:33,620 --> 00:31:38,050 yax艧谋, sizin IP 眉nvan aldatma bil蓹r v蓹 yaln谋z el蓹 bilir蓹m ki, kifay蓹t q蓹d蓹r x眉lya ola 691 00:31:38,050 --> 00:31:41,400 C kodu yazmaq v蓹 枚z yazmaq nec蓹 d蓹yi艧iklikl蓹r 艧蓹b蓹k蓹 proqram 692 00:31:41,400 --> 00:31:41,860 firma 眉nvan谋. 693 00:31:41,860 --> 00:31:45,820 Bu problem tamamil蓹 g枚nd蓹r蓹 bil蓹r data anonim, lakin siz ist蓹yirsinizs蓹 694 00:31:45,820 --> 00:31:49,850 cavab h蓹r c眉r almaq M陌T-in g枚rm蓹k ist蓹yir蓹m ana, t蓹bii ki, bu 眉nvanlar谋 695 00:31:49,850 --> 00:31:50,870 do臒ru olmal谋d谋r. 696 00:31:50,870 --> 00:31:52,780 茝ks halda, bir 艧ey dey蓹 bil蓹rsiniz ist蓹diyiniz siz蓹 fikrind蓹 deyilik 697 00:31:52,780 --> 00:31:53,930 onlardan geri e艧itm蓹k. 698 00:31:53,930 --> 00:31:57,130 Amma bu yaln谋z n枚v bir biz g枚nd蓹r蓹 bil蓹rsiniz ki, h眉cumlar谋n. 699 00:31:57,130 --> 00:31:59,240 >> Biz bu g枚nd蓹rm蓹k Lakin 莽谋x谋r mesajlar谋 - v蓹 n蓹 ed蓹k 700 00:31:59,240 --> 00:32:00,485 bu bir n眉mun蓹. 701 00:32:00,485 --> 00:32:04,020 Hesab edir蓹m ki, bir mesaj varsa, 莽谋x谋r M蓹n g枚nd蓹rm蓹k ist蓹diyiniz yaln谋z g枚nd蓹ril蓹n deyil 702 00:32:04,020 --> 00:32:04,920 bir z蓹rf. 703 00:32:04,920 --> 00:32:08,760 S蓹m蓹r蓹lilik xatirin蓹, x眉susil蓹 zaman 眉莽眉n siz sor臒u etdiyiniz fayllar谋 v蓹 ya 704 00:32:08,760 --> 00:32:13,570 Siz 蓹ld蓹 etdiyiniz cavablar var x眉susil蓹 b枚y眉k, n蓹 TCP/IP-- 705 00:32:13,570 --> 00:32:16,330 Transmissiya N蓹zar蓹t Protokolu / 陌nternet Protokolu - yaln谋z bir x眉lya var 706 00:32:16,330 --> 00:32:19,630 n蓹 艧蓹b蓹k蓹 s枚yl蓹y蓹r蓹k yolu proqram t蓹minat谋 v蓹 komp眉ter yoxdur - onlar 707 00:32:19,630 --> 00:32:23,770 bu kimi bir mesaj almaq v蓹 onlar fraqmentl蓹r daxil 枚lmek - 708 00:32:23,770 --> 00:32:25,540 G蓹lin d枚rd fraqmentl蓹ri deyirl蓹r. 709 00:32:25,540 --> 00:32:29,740 >> V蓹 m蓹n indi burada bu q蓹d蓹r k蓹silmi艧 halda, n蓹, burada bu q蓹d蓹r k蓹silmi艧 m蓹nim 710 00:32:29,740 --> 00:32:34,270 komp眉ter sonra n蓹 ed蓹c蓹k ki bu deyil bir par莽a almaq v蓹 qoymaq niyy蓹tind蓹dir 711 00:32:34,270 --> 00:32:35,700 z蓹rf蓹. 712 00:32:35,700 --> 00:32:39,130 713 00:32:39,130 --> 00:32:41,100 B眉t眉n h眉ququnu, v蓹 m蓹n蓹 imkan - 714 00:32:41,100 --> 00:32:41,630 nin g枚r蓹k. 715 00:32:41,630 --> 00:32:43,150 Bir almaq olacaq. 716 00:32:43,150 --> 00:32:46,490 Ba艧qa z蓹rf etm蓹k niyy蓹tind蓹 v蓹 oldu bu ikinci hiss蓹sind蓹 qoymaq olacaq 717 00:32:46,490 --> 00:32:49,530 Burada bu mesaj谋n. 718 00:32:49,530 --> 00:32:51,370 B眉t眉n h眉quqlar. 719 00:32:51,370 --> 00:32:55,226 Bu 眉莽眉nc眉 almaq olacaq hiss蓹si, burada qoyulur. 720 00:32:55,226 --> 00:32:57,410 B蓹lk蓹 g蓹l蓹n d蓹f蓹 biz ed蓹c蓹yik yaln谋z iki hiss蓹d蓹n yoxdur. 721 00:32:57,410 --> 00:33:00,010 V蓹 biz, d枚rd眉nc眉 i艧tirak ed蓹c蓹yik v蓹 burada qoyulur. 722 00:33:00,010 --> 00:33:02,140 >> V蓹 n蓹, indi yaz谋l谋 olmal谋d谋r Bu konvertl蓹rind蓹 - 723 00:33:02,140 --> 00:33:04,700 biz iddia ed蓹c蓹yik ki, zamanlar谋n 眉莽眉n xatirin蓹 v蓹 faktiki yazmaq deyil. 724 00:33:04,700 --> 00:33:07,760 H蓹r haqq谋nda yaz谋l谋 laz谋md谋r n蓹 m蓹nim mesaj谋 il蓹 bu d枚rd z蓹rfl蓹rin, 725 00:33:07,760 --> 00:33:08,320 kims蓹 眉莽眉n? 726 00:33:08,320 --> 00:33:09,290 >> [? T茝L茝B茝: The] 眉莽眉n?. 727 00:33:09,290 --> 00:33:10,270 >> HOPARL脰R 1: Bel蓹 ki, 眉莽眉n. 728 00:33:10,270 --> 00:33:13,740 M蓹n IP 眉nvan谋 v蓹 yaln谋z ehtiyac port n枚mr蓹l蓹ri, biz yaln谋z edildiyi kimi, m蓹n 729 00:33:13,740 --> 00:33:17,606 indi bir n枚v bir s谋ra laz谋md谋r Bu, bu paket biridir, dem蓹k 730 00:33:17,606 --> 00:33:19,840 iki, bu 眉莽, bu d枚rd. 731 00:33:19,840 --> 00:33:20,980 V蓹 bu h蓹qiq蓹t蓹n faydal谋d谋r. 732 00:33:20,980 --> 00:33:23,690 脟眉nki internet, 莽谋x谋r, h蓹qiq蓹t蓹n olduqca etibars谋z edir. 733 00:33:23,690 --> 00:33:26,080 Routers s谋x谋lm谋艧 bil蓹rsiniz. 734 00:33:26,080 --> 00:33:27,615 Kabell蓹r overwhelmed 蓹ld蓹 ed蓹 bil蓹rsiniz - 735 00:33:27,615 --> 00:33:28,860 bir oversimplification - 736 00:33:28,860 --> 00:33:32,650 lakin, bit bel蓹 ki, n蓹 mar艧rutla艧d谋r谋c谋lar谋 yaln谋z paketl蓹ri d眉艧m蓹k n蓹 var. 737 00:33:32,650 --> 00:33:35,540 >> Ba艧qa s枚zl蓹, internet 蓹g蓹r yaln谋z h蓹qiq蓹t蓹n s谋x谋lm谋艧, siz almaq bil蓹r 738 00:33:35,540 --> 00:33:37,000 bu d枚rd paket 眉莽 out. 739 00:33:37,000 --> 00:33:40,000 Amma bir unikal identifikator varsa onlar谋n h蓹r biri, siz oldu臒unu bilirsiniz 740 00:33:40,000 --> 00:33:42,510 paket d枚rd n枚mr蓹ni d枚rd itkin. 741 00:33:42,510 --> 00:33:45,310 Bel蓹likl蓹, siz d蓹 o臒lan xahi艧 ed蓹 bil蓹r t蓹krar dig蓹r sonu. 742 00:33:45,310 --> 00:33:47,900 Lakin, ba艧 vermir ki, h蓹rfinin ba艧 ver蓹 bil蓹r n蓹 ed蓹k. 743 00:33:47,900 --> 00:33:50,780 >> M蓹n bir mesaj g枚nd蓹rm蓹k ist蓹diyiniz Bel蓹 ki, 蓹g蓹r - Kim m蓹nim mesaj almaq ist蓹yir蓹m 744 00:33:50,780 --> 00:33:52,235 internet? 745 00:33:52,235 --> 00:33:53,630 Nec蓹 kims蓹 haqq谋nda yax谋n 枚n q蓹d蓹r. 746 00:33:53,630 --> 00:33:55,490 Brian, o? 747 00:33:55,490 --> 00:33:56,430 B眉t眉n h眉quqlar. 748 00:33:56,430 --> 00:33:57,280 Siz orada qalmaq. 749 00:33:57,280 --> 00:33:58,820 M蓹n siz蓹 g枚nd蓹rm蓹k 眉莽眉n gedir蓹m. 750 00:33:58,820 --> 00:34:01,100 V蓹 internet haqq谋nda 艧ey ki, onlar h蓹tta bil蓹r 751 00:34:01,100 --> 00:34:02,020 eyni yolu edin. 752 00:34:02,020 --> 00:34:02,990 >> Bel蓹 ki, burada m蓹n getm蓹k. 753 00:34:02,990 --> 00:34:06,470 M蓹n bir mesaj g枚nd蓹rir蓹m par莽a d枚rd biridir. 754 00:34:06,470 --> 00:34:06,940 Bir router olun. 755 00:34:06,940 --> 00:34:08,469 Yaln谋z dig蓹r insanlar il蓹 m蓹艧臒ul bildirin. 756 00:34:08,469 --> 00:34:10,310 Burada gedin. 757 00:34:10,310 --> 00:34:12,790 Biz siz蓹 bu verm蓹k, v蓹 ed蓹c蓹yik biz siz蓹 bu ver蓹c蓹yik. 758 00:34:12,790 --> 00:34:14,000 V蓹 biz nec蓹 tez g枚rm蓹k laz谋md谋r - 759 00:34:14,000 --> 00:34:16,500 Bunun ne莽蓹 ms Brian bu mesaj谋 almaq 眉莽眉n. 760 00:34:16,500 --> 00:34:20,820 761 00:34:20,820 --> 00:34:23,940 H蓹r k蓹s bu g眉n i艧tirak edir. 762 00:34:23,940 --> 00:34:25,130 B眉t眉n h眉quqlar. 763 00:34:25,130 --> 00:34:27,130 Brian bir v蓹 iki vard谋r. 764 00:34:27,130 --> 00:34:29,279 Kims蓹 olmaq ist蓹yir - 765 00:34:29,279 --> 00:34:30,230 >> [? T茝L茝B茝: B眉t眉n d枚rd. ?] 766 00:34:30,230 --> 00:34:30,980 >> HOPARL脰R 1: O, h蓹r d枚rd var. 767 00:34:30,980 --> 00:34:32,480 Bel蓹 ki, he莽 bir paket d眉艧m蓹si se莽di. 768 00:34:32,480 --> 00:34:32,900 Bu s蓹rin var. 769 00:34:32,900 --> 00:34:33,330 Bu g枚z蓹l. 770 00:34:33,330 --> 00:34:34,380 Bel蓹 ki, Brian indi b眉t眉n d枚rd var. 771 00:34:34,380 --> 00:34:36,219 Siz ir蓹li getm蓹k v蓹 ist蓹yirsinizs蓹 Bizim 眉莽眉n bu reassemble. 772 00:34:36,219 --> 00:34:39,360 773 00:34:39,360 --> 00:34:40,320 Edir蓹m ki, biz iddia edirik, bilirik. 774 00:34:40,320 --> 00:34:45,090 Bel蓹 ki, zaman xatirin蓹 - 775 00:34:45,090 --> 00:34:45,929 Biz d枚rd var. 776 00:34:45,929 --> 00:34:48,909 Bel蓹 ki, OK, onlardan biri a莽谋n. 777 00:34:48,909 --> 00:34:49,360 OK. 778 00:34:49,360 --> 00:34:51,699 Ki, d枚rdd蓹 biri var Siz蓹 mesaj. 779 00:34:51,699 --> 00:34:52,949 陌ndi, ikinci a莽谋n. 780 00:34:52,949 --> 00:34:58,190 781 00:34:58,190 --> 00:35:01,985 Bu, sonunda, funny ola bil蓹r yaln谋z m蓹n蓹 v蓹 Brian 眉莽眉n. 782 00:35:01,985 --> 00:35:04,320 B眉t眉n h眉quqlar, iki var. 783 00:35:04,320 --> 00:35:09,110 >> Bel蓹 ki, arada, fiziki etdi Bu qay莽谋, lakin b眉t眉n 784 00:35:09,110 --> 00:35:12,360 bir par莽as谋 bu 艧eyl蓹r edir komp眉ter yaln谋z b蓹zi g枚nd蓹rin 785 00:35:12,360 --> 00:35:15,930 bir virtual bir paketd蓹 bit, z蓹rfd蓹, the bit b蓹zi 786 00:35:15,930 --> 00:35:19,160 dig蓹rl蓹ri, dig蓹r b蓹zi, b蓹zi sonra d枚rd眉nc眉 v蓹 komp眉ter bildirin 787 00:35:19,160 --> 00:35:21,570 , h蓹min n枚mr蓹l蓹ri 蓹sas谋nda q蓹rar n蓹 var 眉莽眉n 788 00:35:21,570 --> 00:35:24,166 onlara concatenate 眉莽眉n. 789 00:35:24,166 --> 00:35:26,270 V蓹 Brian nin, b蓹lk蓹, yaln谋z bunu g枚r眉r眉k ki, bir. 790 00:35:26,270 --> 00:35:29,010 M蓹n Brain g枚nd蓹ril蓹n mesaj - 莽眉nki 茝lb蓹tt蓹, internet il蓹 doldurulur 791 00:35:29,010 --> 00:35:30,260 Bu edir - 792 00:35:30,260 --> 00:35:33,080 793 00:35:33,080 --> 00:35:34,500 b蓹li. 794 00:35:34,500 --> 00:35:35,330 >> Bel蓹 ki, mesaj var. 795 00:35:35,330 --> 00:35:36,700 V蓹 Brian indi 眉莽眉n asmaq olar. 796 00:35:36,700 --> 00:35:38,640 Bel蓹 ki, a莽谋q-ayd谋n etdi bir m眉dd蓹t bunu. 797 00:35:38,640 --> 00:35:41,680 Amma ki, h蓹qiq蓹t蓹n olur vasit蓹sil蓹 m蓹lumat y枚nlendirme kimi 798 00:35:41,680 --> 00:35:43,290 bu 艧蓹kild蓹 tama艧a莽谋. 799 00:35:43,290 --> 00:35:47,320 Amma xal bir s谋ra yen蓹 var, y枚nlendirici, firewall v蓹 dig蓹r 800 00:35:47,320 --> 00:35:50,700 bal A v蓹 B. aras谋nda bel蓹 艧eyl蓹r daha 莽ox yaln谋z hekay蓹sini izah 801 00:35:50,700 --> 00:35:54,740 艧ifahi, m蓹n bu q蓹d蓹r 莽蓹kin ist蓹diyiniz fikir video bizim b蓹zi yolda艧lar ki, 802 00:35:54,740 --> 00:35:59,510 Erikson, il geri, h蓹qiq蓹t蓹n, izah edir ki, birlikd蓹 qoymaq 803 00:35:59,510 --> 00:36:00,480 nec蓹 bu i艧l蓹ri. 804 00:36:00,480 --> 00:36:02,380 V蓹 t蓹xmin蓹n 10 v蓹 ya bel蓹 d蓹qiq蓹 davam edir. 805 00:36:02,380 --> 00:36:04,065 Bel蓹 ki, indi siz verim Net d枚y眉艧莽眉l蓹r. 806 00:36:04,065 --> 00:36:09,282 807 00:36:09,282 --> 00:37:09,720 >> [Musiqi ifa] 808 00:37:09,720 --> 00:37:14,990 >> Dastan莽谋: tarixind蓹 ilk d蓹f蓹 olaraq, insan v蓹 ma艧谋n var 809 00:37:14,990 --> 00:37:18,600 birlikd蓹 莽al谋艧an bir arzusu h蓹yata - 810 00:37:18,600 --> 00:37:22,550 he莽 bilir ki birl蓹艧dir蓹n g眉c olmadan co臒rafi s蓹rh蓹dl蓹ri, 811 00:37:22,550 --> 00:37:26,050 irqi, m蓹zh蓹b, v蓹 ya r蓹ng il蓹 ba臒l谋 - 812 00:37:26,050 --> 00:37:31,000 脺 kommunikasiya h蓹qiq蓹t蓹n yeni bir d枚vr眉n insanlar谋 bir araya g蓹tirir. 813 00:37:31,000 --> 00:37:34,420 Bu xalis s眉bh edir. 814 00:37:34,420 --> 00:37:38,240 815 00:37:38,240 --> 00:37:40,070 Bu i艧l蓹ri nec蓹 bilm蓹k ist蓹yirsiniz? 816 00:37:40,070 --> 00:37:44,605 Ba艧lamaq 眉莽眉n buraya bas谋n xalis daxil s蓹yah蓹t. 817 00:37:44,605 --> 00:37:47,930 818 00:37:47,930 --> 00:37:51,080 >> 陌ndi d蓹qiq n蓹 zaman ki, link t谋klayan? 819 00:37:51,080 --> 00:37:53,320 Siz informasiya ax谋n谋 ba艧lad谋. 820 00:37:53,320 --> 00:37:56,950 Bu informasiya daxil a艧a臒谋 s蓹yah蓹tl蓹r 枚z 艧蓹xsi mail otaq, c蓹nab zaman 821 00:37:56,950 --> 00:38:01,805 IP paketl蓹ri, o, yaz谋lar谋, v蓹 onun yolunda g枚nd蓹rir. 822 00:38:01,805 --> 00:38:03,790 >> H蓹r bir paket onun 枚l莽眉s眉 m蓹hduddur. 823 00:38:03,790 --> 00:38:08,010 Po莽t otaq ay谋rmaq nec蓹 olmal谋d谋r m蓹lumat v蓹 nec蓹 824 00:38:08,010 --> 00:38:09,170 bu paketi. 825 00:38:09,170 --> 00:38:13,390 陌ndi paketi olan bir etiket laz谋md谋r bel蓹 m眉h眉m m蓹lumat 826 00:38:13,390 --> 00:38:19,492 kimi G枚nd蓹r蓹nin 眉nvan谋, al谋c谋 眉nvan谋, v蓹 paket n枚v眉 deyil. 827 00:38:19,492 --> 00:38:34,940 828 00:38:34,940 --> 00:38:38,680 >> Bu paket gedir 脟眉nki internet 眉z蓹rin蓹, bu da 829 00:38:38,680 --> 00:38:42,570 , proxy server 眉莽眉n bir 眉nvan edir ki, x眉susi bir funksiyas谋 var 830 00:38:42,570 --> 00:38:44,410 biz sonra g枚r蓹c蓹ksiniz kimi. 831 00:38:44,410 --> 00:38:50,070 Bu paket art谋q 眉z蓹rin蓹 ba艧lad谋 lokal 艧蓹b蓹k蓹 v蓹 ya LAN. 832 00:38:50,070 --> 00:38:53,990 Bu 艧蓹b蓹k蓹 b眉t眉n birl蓹艧dirm蓹k 眉莽眉n istifad蓹 olunur yerli komp眉ter, y枚nlendirici 833 00:38:53,990 --> 00:38:57,940 m蓹lumat 眉莽眉n printerl蓹r, Et Cetera fiziki divarlar谋 daxilind蓹 m眉badil蓹si 834 00:38:57,940 --> 00:38:59,160 binas谋. 835 00:38:59,160 --> 00:39:04,130 Bu LAN, olduqca n蓹zar蓹tsiz yer v蓹 t蓹蓹ss眉f ki, q蓹za 836 00:39:04,130 --> 00:39:05,425 ola bil蓹r. 837 00:39:05,425 --> 00:39:14,460 838 00:39:14,460 --> 00:39:18,050 >> LAN tutdu臒u yol doludur informasiya b眉t眉n n枚vl蓹ri il蓹. 839 00:39:18,050 --> 00:39:22,070 Bu IP paketl蓹rin, Novell paket var AppleTalk paket - 840 00:39:22,070 --> 00:39:24,500 onlar qar艧谋 olacaq h蓹mi艧蓹 oldu臒u kimi trafik. 841 00:39:24,500 --> 00:39:29,250 Yerli router h蓹ll etm蓹k 眉莽眉n oxuyur v蓹 z蓹ruri hallarda 眉z蓹rin蓹 paket y眉ks蓹ldir 842 00:39:29,250 --> 00:39:31,710 ba艧qa 艧蓹b蓹k蓹. 843 00:39:31,710 --> 00:39:33,570 Ah, router - 844 00:39:33,570 --> 00:39:37,490 bir zahir蓹n n蓹zar蓹t r蓹mzi qeyri-m眉t蓹艧蓹kkil d眉nya. 845 00:39:37,490 --> 00:39:38,480 >> ROUTER: Whoops, sorry bu bar蓹d蓹. 846 00:39:38,480 --> 00:39:39,965 , Bu burada bu qoymaq ed蓹k burada bu. 847 00:39:39,965 --> 00:39:40,460 Burada h蓹r蓹k蓹t edir. 848 00:39:40,460 --> 00:39:40,955 Bu bir h蓹r蓹k蓹t edir. 849 00:39:40,955 --> 00:39:41,945 Bu bir ist蓹yir蓹m yoxdur. 850 00:39:41,945 --> 00:39:42,935 Bu bir h蓹r蓹k蓹t ed蓹k. 851 00:39:42,935 --> 00:39:43,925 Bu burada gedir. 852 00:39:43,925 --> 00:39:45,410 [I艧itilemez] 853 00:39:45,410 --> 00:39:46,400 Burada bir jangle qoyun. 854 00:39:46,400 --> 00:39:46,895 Nin burada bu bir qoymaq ed蓹k. 855 00:39:46,895 --> 00:39:47,885 Olmaz, m蓹n ki, ged蓹c蓹y蓹m. 856 00:39:47,885 --> 00:39:48,700 Nin burada bir qoymaq ed蓹k. 857 00:39:48,700 --> 00:39:49,930 >> Dastan莽谋 m枚vcuddur: O - 858 00:39:49,930 --> 00:39:55,770 sistemli, 蓹h蓹miyy蓹t verm蓹z, metodiki, m眉hafiz蓹kar, b蓹z蓹n deyil, kifay蓹t q蓹d蓹r 859 00:39:55,770 --> 00:39:56,975 s眉r蓹tli up. 860 00:39:56,975 --> 00:40:00,090 Lakin 蓹n az谋 o, d蓹qiq deyil 莽ox hiss蓹si 眉莽眉n. 861 00:40:00,090 --> 00:40:01,243 >> ROUTER: qoyun ki, orada bir. 862 00:40:01,243 --> 00:40:04,694 Biri gedir, biri gedir ki, var v蓹 bu, bir var gedir. 863 00:40:04,694 --> 00:40:05,680 Yax艧谋, ba艧qa biri var gedir. 864 00:40:05,680 --> 00:40:06,173 Burada gedir. 865 00:40:06,173 --> 00:40:07,423 [I艧itilemez] 866 00:40:07,423 --> 00:40:14,570 867 00:40:14,570 --> 00:40:18,670 >> Dastan莽谋: paketl蓹rin izni kimi router, onlar 枚z yolu etm蓹k 868 00:40:18,670 --> 00:40:24,090 korporativ intranet v蓹 ba艧 router ke莽id 眉莽眉n. 869 00:40:24,090 --> 00:40:28,120 Router daha s蓹m蓹r蓹li A bit, router ke莽id s眉r蓹tli v蓹 bo艧 oynay谋r 870 00:40:28,120 --> 00:40:31,970 IP paketl蓹rin il蓹 deftly mar艧rutla艧d谋rma onlar谋n yolu boyunca onlara - 871 00:40:31,970 --> 00:40:34,720 bir digital lang谋rt sehrbazd谋r, Siz. 872 00:40:34,720 --> 00:40:35,290 >> ROUTER SWITCH: Burada getm蓹k. 873 00:40:35,290 --> 00:40:36,020 Burada ba艧qa bir g蓹lir. 874 00:40:36,020 --> 00:40:36,950 V蓹 dig蓹r var. 875 00:40:36,950 --> 00:40:37,406 Bu saat, ana. 876 00:40:37,406 --> 00:40:38,320 Burada gedir. 877 00:40:38,320 --> 00:40:39,235 Geri 蓹traf谋nda ba臒谋rt谋. 878 00:40:39,235 --> 00:40:40,660 Hey, orada, burada. 879 00:40:40,660 --> 00:40:41,135 脺z蓹rind蓹 sol. 880 00:40:41,135 --> 00:40:42,090 脺z蓹rind蓹 sa臒a. 881 00:40:42,090 --> 00:40:42,480 脺z蓹rind蓹 sol. 882 00:40:42,480 --> 00:40:42,820 脺z蓹rind蓹 sa臒a. 883 00:40:42,820 --> 00:40:43,490 Siz var. 884 00:40:43,490 --> 00:40:43,800 Burada g蓹lir. 885 00:40:43,800 --> 00:40:45,170 O, skorlari, tumurcuqlar谋. 886 00:40:45,170 --> 00:40:45,860 Bu olacaq. 887 00:40:45,860 --> 00:40:48,270 Wayne Hey, burada h蓹yata bax谋n biri g蓹lir. 888 00:40:48,270 --> 00:40:49,520 Oh, burada biz gedin. 889 00:40:49,520 --> 00:40:52,920 890 00:40:52,920 --> 00:40:56,330 >> Dastan莽谋: paketl蓹rin onlar谋n g蓹lm蓹k kimi hedef, onlar t蓹r蓹find蓹n se莽ilmi艧 edirik 891 00:40:56,330 --> 00:41:01,250 艧蓹b蓹k蓹 interfeysi, haz谋r N枚vb蓹ti s蓹viyy蓹d蓹 g枚nd蓹rilib - 892 00:41:01,250 --> 00:41:04,340 Bu halda, proxy. 893 00:41:04,340 --> 00:41:08,750 Bu proxy kimi bir 莽ox 艧irk蓹tl蓹r t蓹r蓹find蓹n istifad蓹 olunur 眉莽眉n orta insan sort 894 00:41:08,750 --> 00:41:11,570 onlar谋n internet y眉k azaltmaq ke莽id, v蓹 895 00:41:11,570 --> 00:41:15,350 t蓹hl眉k蓹sizlik s蓹b蓹bl蓹ri h蓹m莽inin. 896 00:41:15,350 --> 00:41:19,420 G枚rd眉y眉n眉z kimi, paket , m眉xt蓹lif 枚l莽眉l眉 b眉t眉n 897 00:41:19,420 --> 00:41:21,770 onlar谋n m蓹zmunu as谋l谋 olaraq. 898 00:41:21,770 --> 00:41:37,960 899 00:41:37,960 --> 00:41:45,110 >> V蓹kil paket a莽谋r v蓹 g枚r眉n眉r web 眉nvan谋 v蓹 ya URL 眉莽眉n. 900 00:41:45,110 --> 00:41:49,500 脺nvan谋 olub as谋l谋 olaraq m蓹qbul paket 眉莽眉n g枚nd蓹rilir 901 00:41:49,500 --> 00:41:50,750 internet. 902 00:41:50,750 --> 00:41:56,940 903 00:41:56,940 --> 00:42:01,970 >> Olan b蓹zi 眉nvanlar谋, lakin var t蓹sdiqi il蓹 cavab vermir 904 00:42:01,970 --> 00:42:03,090 v蓹kil - 905 00:42:03,090 --> 00:42:05,893 ki, deyirl蓹r korporativ v蓹 ya 眉莽眉n idar蓹etm蓹 qaydalar谋nda. 906 00:42:05,893 --> 00:42:09,100 907 00:42:09,100 --> 00:42:13,710 Bu summarily h蓹ll olunur. 908 00:42:13,710 --> 00:42:15,620 Biz ki, he莽 biri olacaq. 909 00:42:15,620 --> 00:42:19,227 Onu ed蓹nl蓹r 眉莽眉n, bu yolda yenid蓹n. 910 00:42:19,227 --> 00:42:29,950 911 00:42:29,950 --> 00:42:32,313 >> Next up, firewall. 912 00:42:32,313 --> 00:42:36,500 913 00:42:36,500 --> 00:42:40,225 Korporativ firewall iki m蓹qs蓹di xidm蓹t edir. 914 00:42:40,225 --> 00:42:44,350 B蓹zi olduqca pis 艧eyi qar艧谋s谋n谋 al谋r daxil g蓹l蓹n ild蓹n internet 915 00:42:44,350 --> 00:42:48,460 intranet, v蓹 bu da mane ola bil蓹r h蓹ssas korporativ informasiya 916 00:42:48,460 --> 00:42:53,380 internet 眉z蓹rin蓹 g枚nd蓹rilir. 917 00:42:53,380 --> 00:42:57,340 >> Bir firewall vasit蓹sil蓹 router paket q蓹d蓹r se莽er v蓹 眉z蓹rin蓹 bu yerl蓹ri 918 00:42:57,340 --> 00:43:01,216 莽ox dar yol, v蓹 ya bant, biz dem蓹k kimi. 919 00:43:01,216 --> 00:43:06,830 Ayd谋nd谋r ki, yol geni艧 deyil onlara b眉t眉n almaq kifay蓹tdir. 920 00:43:06,830 --> 00:43:10,870 >> 陌ndi b眉t眉n n蓹 wonder bil蓹r bunu etm蓹y蓹n olan paket 921 00:43:10,870 --> 00:43:11,950 yol boyunca. 922 00:43:11,950 --> 00:43:16,540 B蓹li, zaman c蓹nab IP bir almamas谋 bir paket oldu臒unu etiraf 923 00:43:16,540 --> 00:43:22,940 vaxt谋nda alm谋艧, o, sad蓹c蓹 bir 蓹v蓹z paket g枚nd蓹rir. 924 00:43:22,940 --> 00:43:29,360 Biz indi d眉nyada daxil etm蓹y蓹 haz谋r谋q olan internet bir h枚r眉m莽蓹k web 925 00:43:29,360 --> 00:43:33,670 qar艧谋l谋ql谋 艧蓹b蓹k蓹l蓹ri olan bizim b眉t眉n d眉nyan谋n span. 926 00:43:33,670 --> 00:43:39,360 Burada, mar艧rutla艧d谋r谋c谋lar谋 v蓹 a莽arlar谋 yaratmaq 艧蓹b蓹k蓹l蓹ri aras谋nda links. 927 00:43:39,360 --> 00:43:42,740 >> 陌ndi xalis tamamil蓹 f蓹rqlidir siz daxilind蓹 tapa bil蓹rsiniz 莽ox 蓹traf m眉hit 928 00:43:42,740 --> 00:43:44,900 Sizin LAN m眉dafi蓹 divarlar谋. 929 00:43:44,900 --> 00:43:47,340 Burada, bu Wild West var - 930 00:43:47,340 --> 00:43:50,540 bol yer bol imkanlar 艧eyi 莽ox 931 00:43:50,540 --> 00:43:53,130 ara艧d谋rmaq v蓹 yerl蓹rd蓹 getm蓹k 眉莽眉n. 932 00:43:53,130 --> 00:43:57,620 脟ox az n蓹zar蓹t v蓹 say蓹sind蓹 t蓹nziml蓹nm蓹si, yeni ideyalar m眉nbit tapmaq 933 00:43:57,620 --> 00:44:01,530 z蓹rfl蓹rin push torpaq 枚z imkanlar谋. 934 00:44:01,530 --> 00:44:05,240 Ancaq bu azadl谋臒谋n, m眉蓹yy蓹n t蓹hl眉k蓹l蓹r d蓹 pusuya yatmak. 935 00:44:05,240 --> 00:44:10,860 Siz cavab olacaq zaman Bilirsiniz olmaz 枚l眉m dreaded ping, x眉susi 936 00:44:10,860 --> 00:44:15,610 normal sor臒u ping versiyas谋 olan b蓹zi axmaq mess q蓹d蓹r fikir 937 00:44:15,610 --> 00:44:18,500 unsuspecting ev sahibliyi edir. 938 00:44:18,500 --> 00:44:23,760 >> Bizim paketl蓹rin almaq yolu il蓹 ola bil蓹r peyk, telefon x蓹tl蓹ri, simsiz, 939 00:44:23,760 --> 00:44:25,650 v蓹 ya h蓹tta trans-okyanus kabel. 940 00:44:25,650 --> 00:44:29,860 Onlar h蓹mi艧蓹 s眉r蓹tli etmirl蓹r m眉mk眉n v蓹 ya q谋sa, mar艧rutlar谋. 941 00:44:29,860 --> 00:44:33,560 Lakin onlar n蓹hay蓹t orada olacaq. 942 00:44:33,560 --> 00:44:38,410 B蓹lk蓹 ki, b蓹z蓹n n蓹 var World Wide wait 莽a臒谋r谋b. 943 00:44:38,410 --> 00:44:42,710 Amma h蓹r 艧ey r蓹van i艧 zaman Siz d眉nyan谋n alt ed蓹 bil蓹r 944 00:44:42,710 --> 00:44:47,110 be艧 d蓹f蓹 a莽谋lan 眉z蓹rind蓹 - bir 艧apka, s枚z眉n v蓹 945 00:44:47,110 --> 00:44:51,520 v蓹 d蓹y蓹ri b眉t眉n yerli z蓹ng, v蓹 ya daha az. 946 00:44:51,520 --> 00:44:55,260 >> Bizim t蓹yinat sonuna yax谋n ba艧qa bir firewall tapa bil蓹rsiniz. 947 00:44:55,260 --> 00:44:58,450 948 00:44:58,450 --> 00:45:02,740 Kimi sizin perspektiv as谋l谋 olaraq veri paketi, firewall bir ola bil蓹r 949 00:45:02,740 --> 00:45:06,930 t蓹hl眉k蓹sizlik qalas谋, v蓹 ya bir dreaded d眉艧m蓹n. 950 00:45:06,930 --> 00:45:11,710 Bu, b眉t眉n sen hans谋 t蓹r蓹fd蓹n as谋l谋d谋r v蓹 hans谋 niyy蓹tl蓹ri var. 951 00:45:11,710 --> 00:45:15,590 >> Bu firewall 眉莽眉n n蓹z蓹rd蓹 tutulmu艧dur yaln谋z paketl蓹r hal谋nda bildirin 952 00:45:15,590 --> 00:45:18,060 枚z meyarlar谋na uy臒un g蓹l蓹n. 953 00:45:18,060 --> 00:45:22,450 Bu firewall f蓹aliyy蓹t g枚st蓹rir port 80 v蓹 25. 954 00:45:22,450 --> 00:45:26,880 Dig蓹r vasit蓹sil蓹 daxil olmaq 眉莽眉n b眉t眉n c蓹hdl蓹ri port i艧 眉莽眉n ba臒l谋d谋r. 955 00:45:26,880 --> 00:45:40,500 956 00:45:40,500 --> 00:45:48,470 >> Port 25 is蓹, po莽t paketl蓹ri 眉莽眉n istifad蓹 olunur port 80 眉莽眉n giri艧 957 00:45:48,470 --> 00:45:50,755 internet paketl蓹ri web server 眉莽眉n. 958 00:45:50,755 --> 00:45:54,060 959 00:45:54,060 --> 00:45:58,230 Firewall Inside, paket var daha 蓹trafl谋 n眉mayi艧. 960 00:45:58,230 --> 00:46:02,190 B蓹zi paketl蓹ri vasit蓹sil蓹 asanl谋qla onu , g枚mr眉kd蓹 r蓹smil蓹艧dirilm蓹yib is蓹 dig蓹r 961 00:46:02,190 --> 00:46:04,760 yaln谋z bir az 艧眉bh蓹li baxmaq. 962 00:46:04,760 --> 00:46:08,390 >> Bu firewall zabit asan deyil kimi fooled zaman bu ping v蓹 963 00:46:08,390 --> 00:46:14,430 枚l眉m paket 枚z眉 maskalamaq 眉莽眉n 莽al谋艧谋r normal ping paket kimi. 964 00:46:14,430 --> 00:46:14,740 >> G脺VENL陌K DUVARI: Next. 965 00:46:14,740 --> 00:46:15,214 OK. 966 00:46:15,214 --> 00:46:15,688 Gedin. 967 00:46:15,688 --> 00:46:16,162 Bu OK. 968 00:46:16,162 --> 00:46:16,636 Problem yoxdur. 969 00:46:16,636 --> 00:46:17,584 Yax艧谋 bir g眉n var. 970 00:46:17,584 --> 00:46:18,532 Burada olun. 971 00:46:18,532 --> 00:46:20,315 Bye. 972 00:46:20,315 --> 00:46:23,870 >> Dastan莽谋: bu paket Lucky 眉莽眉n bu g眉n蓹 q蓹d蓹r bunu etm蓹k 眉莽眉n kifay蓹t q蓹d蓹r ki, 973 00:46:23,870 --> 00:46:25,920 s蓹yah蓹t dem蓹k olar ki, ba艧a 莽at谋b. 974 00:46:25,920 --> 00:46:28,940 975 00:46:28,940 --> 00:46:35,380 Bu, yaln谋z 眉莽眉n interface bir lineup var web server q蓹d蓹r al谋nacaq. 976 00:46:35,380 --> 00:46:40,700 >> Hal-haz谋rda bir web server bir 莽ox 莽al谋艧t谋rabilirsiniz 艧eyl蓹r, bir mainframe ki, bir webcam 眉莽眉n, 977 00:46:40,700 --> 00:46:41,910 Sizin stol眉st眉 komp眉ter. 978 00:46:41,910 --> 00:46:44,630 V蓹 ya niy蓹 sizin soyuducu? 979 00:46:44,630 --> 00:46:48,750 M眉vafiq qura艧d谋rma il蓹 siz tapa bil蓹rsiniz sizin 眉莽眉n makings var h蓹yata 蓹g蓹r 980 00:46:48,750 --> 00:46:51,570 toyuq cacciatore v蓹 ya Siz al谋艧-veri艧 getm蓹k 眉莽眉n var. 981 00:46:51,570 --> 00:46:54,870 Unutmay谋n, bu xalis s眉bh edir. 982 00:46:54,870 --> 00:46:56,360 Dem蓹k olar ki, bir 艧ey m眉mk眉nd眉r. 983 00:46:56,360 --> 00:47:00,540 984 00:47:00,540 --> 00:47:05,540 >> Bir-bir, paketl蓹rin, al谋nan a莽谋ld谋 v蓹 unpacked. 985 00:47:05,540 --> 00:47:09,550 986 00:47:09,550 --> 00:47:11,900 Onlar ehtiva m蓹lumatlar - 987 00:47:11,900 --> 00:47:14,370 ki, sizin deyil m蓹lumat 眉莽眉n - 988 00:47:14,370 --> 00:47:17,520 web 眉莽眉n g枚nd蓹rilir server t蓹tbiqi. 989 00:47:17,520 --> 00:47:24,650 990 00:47:24,650 --> 00:47:33,750 >> Paket 枚z眉n蓹 t蓹krar haz谋r yenid蓹n istifad蓹 v蓹 dolu 991 00:47:33,750 --> 00:47:46,830 bilgileri, m眉raci蓹t v蓹 geri, geri yolunda, g枚nd蓹rm蓹k 992 00:47:46,830 --> 00:47:56,950 ke莽mi艧 firewall, y枚nlendirici v蓹 internet vasit蓹sil蓹, geri vasit蓹sil蓹 993 00:47:56,950 --> 00:48:08,430 Sizin korporativ firewall v蓹 sizin interface, sizin t蓹min etm蓹k 眉莽眉n haz谋r 994 00:48:08,430 --> 00:48:11,060 m蓹lumat web browser 陌stedi臒iniz - 995 00:48:11,060 --> 00:48:14,320 996 00:48:14,320 --> 00:48:17,236 ki, bu film. 997 00:48:17,236 --> 00:48:22,870 998 00:48:22,870 --> 00:48:27,590 >> 脰z s蓹yl蓹rini raz谋 v蓹 etibar daha yax艧谋 bir d眉nya, bizim etibarl谋 ild蓹 999 00:48:27,590 --> 00:48:33,840 data paketl蓹rin daxil z枚vql蓹 off g蓹zm蓹k bilm蓹d蓹n bir g眉n q眉rub, 1000 00:48:33,840 --> 00:48:37,135 tam, onlar xidm蓹t 枚z ustalar谋. 1001 00:48:37,135 --> 00:48:40,080 1002 00:48:40,080 --> 00:48:43,695 陌ndi xo艧b蓹xt sona deyil? 1003 00:48:43,695 --> 00:48:47,910 1004 00:48:47,910 --> 00:48:49,890 >> HOPARL脰R 1: ki, sonra deyil, internet i艧l蓹ri nec蓹. 1005 00:48:49,890 --> 00:48:53,360 Problem set yeddi vasit蓹sil蓹 v蓹 siz daha yax艧谋 bu anlamaq v蓹 irad蓹 1006 00:48:53,360 --> 00:48:55,830 HTML, PHP, v蓹 daha 莽ox bir az m蓹lumat. 1007 00:48:55,830 --> 00:48:58,590 D蓹qiql蓹艧dirilm蓹si ki, haqq谋nda daha 莽ox C眉m蓹 h蓹yata ged蓹c蓹k. 1008 00:48:58,590 --> 00:49:00,310 V蓹 biz bazar ert蓹si g眉n眉 g枚r蓹c蓹ksiniz. 1009 00:49:00,310 --> 00:49:02,763