{"id":46345,"date":"2022-06-21T20:06:03","date_gmt":"2022-06-21T17:06:03","guid":{"rendered":"https:\/\/kutaybilen.com.tr\/?p=46345"},"modified":"2022-06-21T20:06:03","modified_gmt":"2022-06-21T17:06:03","slug":"facebook-tarihinin-en-buyuk-cokusu-neden-gerceklesti","status":"publish","type":"post","link":"https:\/\/kutaybilen.com.tr\/?p=46345","title":{"rendered":"Facebook Tarihinin En B\u00fcy\u00fck \u00c7\u00f6k\u00fc\u015f\u00fc Neden Ger\u00e7ekle\u015fti?"},"content":{"rendered":"<p>Facebook ve b\u00fcnyesine bar\u0131nd\u0131rd\u0131\u011f\u0131 Instagram, WhatsApp \u00fczere t\u00fcm servislerde bu ak\u015fam saatlerinden itibaren \u00f6nemli bir <strong>eri\u015fim sorunu<\/strong> ba\u015f g\u00f6sterdi. T\u00fcm ak\u015fam boyunca devam eden eri\u015fim problemleri esnas\u0131nda kullan\u0131c\u0131lar bu servislerin hi\u00e7birine ula\u015famad\u0131.<\/p>\n<p>Konu hakk\u0131nda a\u00e7\u0131klama yapan Facebook, sorunu \u00e7\u00f6zmek i\u00e7in \u00e7al\u0131\u015ft\u0131klar\u0131n\u0131 s\u00f6z ederken durumun sebebine y\u00f6nelik rastgele bir a\u00e7\u0131klama yapmad\u0131. Bu da beraberinde t\u00fcrl\u00fc savlar\u0131 getirdi. Kimileri<strong> Facebook&#8217;un hacklendi\u011fini s\u00f6ylerken<\/strong> baz\u0131lar\u0131 sorunun kayna\u011f\u0131nda birtak\u0131m teknik yan\u0131lg\u0131lar yatt\u0131\u011f\u0131n\u0131 arg\u00fcman etti.<\/p>\n<p><b>Sorun BGP ve DNS sunucular\u0131ndaki yan\u0131lg\u0131lardan kaynaklan\u0131yor olabilir:<\/b><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0003\/29\/b1cb7fd133a49f6f0dce4f9a4bf9e80b4a787118.jpeg\"\/><\/p>\n<p>Bu t\u0131p g\u00fcndemler h\u00e2l\u00e2 s\u0131cakken ve \u015fimdi resmi a\u00e7\u0131klamalar gelmemi\u015fken ortaya at\u0131lan her m\u00fcnasebetin s\u0131rf <strong>birer tez <\/strong>oldu\u011funu bilmemiz gerekiyor. Zira bu t\u00fcrl\u00fc anlarda etrafta \u00e7ok\u00e7a bilgi kirlili\u011fine rastlamak m\u00fcmk\u00fcn. Lakin ola\u011fan ki her sav s\u0131rf bir bilgi kirlili\u011fi de\u011fil, birtak\u0131m tezler epey g\u00fc\u00e7l\u00fc.<\/p>\n<p>Kar\u015f\u0131m\u0131za \u00e7\u0131kan g\u00fc\u00e7l\u00fc tezlerden biri de Facebook&#8217;un bu ak\u015fam ya\u015fad\u0131\u011f\u0131 tarihi \u00e7\u00f6k\u00fc\u015f\u00fcn gerisinde \u015firketin <strong>BGP ve DNS sunucular\u0131nda<\/strong> ya\u015fad\u0131\u011f\u0131 yan\u0131lg\u0131lar\u0131n oldu\u011fu sav\u0131. Sav\u0131n kayna\u011f\u0131nda ise CloudFlare lider yard\u0131mc\u0131s\u0131 Dane Knecht var. <\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0003\/29\/d0480c0fcf33f5e964d64f19d0d5dc0334182b0e.jpeg\"\/><\/p>\n<p>Knecht, att\u0131\u011f\u0131 bir tweet ile Facebook&#8217;un DNS sunucular\u0131n\u0131n \u00e7\u00f6kt\u00fc\u011f\u00fcn\u00fc ve <strong>BGP&#8217;nin de (Border Gateway Protocol &#8211; Hudut Ge\u00e7it Protokol\u00fc)<\/strong> devre d\u0131\u015f\u0131 kald\u0131\u011f\u0131n\u0131 tabir etti. Burada kilit nokta ise BGP. Geli\u015fmi\u015f bir y\u00f6nlendirme protokol\u00fc olan BGP, internette yer alan otonom sistemler ortas\u0131nda bilgi payla\u015fmay\u0131 ve <strong>y\u00f6nlendirme yapmay\u0131 sa\u011flayan a\u011f protokol\u00fc<\/strong> ve internette yapt\u0131\u011f\u0131m\u0131z t\u00fcm aramalar temelde bu protokol sayesinde ger\u00e7ekle\u015fiyor.<\/p>\n<p>Ancak BGP&#8217;nin devre d\u0131\u015f\u0131 kalmas\u0131, kelam konusu sistemde hi\u00e7bir s\u00fcrecin yap\u0131lamamas\u0131, Facebook&#8217;un bu t\u00fcrl\u00fc bir senaryoda <strong>kendi DNS sunucular\u0131na eri\u015fememesi<\/strong> manas\u0131na geliyor. Bu da ya\u015fad\u0131\u011f\u0131m\u0131z bu b\u00fcy\u00fck \u00e7\u00f6k\u00fc\u015fe sebep olabilecek \u00e7e\u015fitten bir &#8216;teknik ar\u0131za&#8217;. Bu ar\u0131zaya sebep olan \u015feyin ise Facebook m\u00fchendislerinin bir yap\u0131land\u0131rma s\u0131ras\u0131nda yapt\u0131klar\u0131 bir yan\u0131lg\u0131 oldu\u011fu s\u00f6yleniyor. Durumun d\u00fczeltilmesi i\u00e7in ise data m\u00fchendislerinin fizik\u00ee olarak bahsi ge\u00e7en y\u00f6nlendiricilere m\u00fcdahale etmesi gerekiyor. Lakin \u00e7al\u0131\u015fanlar\u0131n merkeze giri\u015f yapamamas\u0131, haliyle s\u00fcrecin uzamas\u0131na sebep oluyor.<\/p>\n<p>Bu ba\u011flamda Facebook \u00f6rne\u011fini \u015fu halde a\u00e7\u0131klayabiliriz: Facebook a\u011f\u0131na BGP y\u00f6nlendirmesi olmadan Facebook&#8217;un kendi DNS sunucular\u0131na eri\u015fim sa\u011flanam\u0131yor. Birebir bi\u00e7imde Facebook&#8217;un sahip oldu\u011fu Instagram, WhatsApp ve Oculus VR&#8217;a da eri\u015filemiyor.<\/p>\n<p>Bu sav\u0131n ger\u00e7ekli\u011fi ve \u00e7\u00f6k\u00fc\u015f\u00fcn ard\u0131ndaki sebep, lakin Facebook resmi a\u00e7\u0131klama yapt\u0131\u011f\u0131nda kat\u0131la\u015facak. Fakat hacklenme savlar\u0131n\u0131n yan\u0131nda, \u015fimdiye kadar kula\u011fa en man\u0131kl\u0131 gelen a\u00e7\u0131klama bu diyebiliriz.<\/p>\n<div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Facebook ve b\u00fcnyesine bar\u0131nd\u0131rd\u0131\u011f\u0131 Instagram, WhatsApp \u00fczere t\u00fcm servislerde bu ak\u015fam saatlerinden itibaren \u00f6nemli bir eri\u015fim sorunu ba\u015f g\u00f6sterdi &#8230;<\/p>\n","protected":false},"author":1,"featured_media":46346,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[855],"tags":[2032,942,616,5997,941],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/46345"}],"collection":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=46345"}],"version-history":[{"count":1,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/46345\/revisions"}],"predecessor-version":[{"id":46347,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/46345\/revisions\/46347"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/media\/46346"}],"wp:attachment":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=46345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=46345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=46345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}