{"id":2931,"date":"2022-03-29T22:48:03","date_gmt":"2022-03-29T19:48:03","guid":{"rendered":"https:\/\/kutaybilen.com.tr\/?p=2931"},"modified":"2022-03-29T22:48:03","modified_gmt":"2022-03-29T19:48:03","slug":"20-yil-evvelki-birinci-ddos-saldirisi","status":"publish","type":"post","link":"https:\/\/kutaybilen.com.tr\/?p=2931","title":{"rendered":"20 Y\u0131l Evvelki Birinci DDoS Sald\u0131r\u0131s\u0131"},"content":{"rendered":"<div>\n<div> <\/div>\n<\/p><\/div>\n<p>22 Temmuz 1999, bilgisayar tarihinde u\u011fursuz bir tarihtir.\u00a0O g\u00fcn\u00a0Minnesota \u00dcniversitesi\u2019ndeki bir bilgisayar, birden te\u011fe &#39;Trin00&#39; isminde berbat emelli bir komut evrak\u0131 bula\u015ft\u0131ran 114 ba\u015fka bilgisayar a\u011f\u0131ndan taarruza u\u011frad\u0131.\u00a0Bu kod, vir\u00fcs bula\u015fan bilgisayarlar\u0131n \u00fcniversiteye gereksiz data paketleri g\u00f6ndermesine, bilgisayar\u0131n s\u00fcre\u00e7lerini yo\u011funla\u015ft\u0131rmas\u0131na\u00a0ve yasal istekleri yerine getirmesine mahzur olmas\u0131na neden oldu.<\/p>\n<p>Bu, d\u00fcnyan\u0131n birinci DDoS taarruzuydu ve yay\u0131lmas\u0131 uzun s\u00fcrmedi. Takip eden aylarda Yahoo, Amazon ve CNN dahil olmak \u00fczere \u00e7ok say\u0131da \u00f6teki internet sitesi bu tip h\u00fccumlar\u0131n kurban\u0131 oldu.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0001\/99\/e45fed01a6a167b94e649be453351838933779b9.jpeg\"\/><\/p>\n<p>O vakitlerden bu yana DDoS ak\u0131nlar\u0131 epey yayg\u0131nla\u015ft\u0131. Hatta bu i\u015fi \u00e7\u0131kara d\u00f6n\u00fc\u015ft\u00fcrenler bile oldu. Tek bir maksada 24 saatlik bir DDoS sald\u0131r\u0131s\u0131n\u0131 epey uygun mebla\u011flara yapan be\u015ferler ortaya \u00e7\u0131kt\u0131.<\/p>\n<p>Ma\u011fdur olanlar\u0131n ziyana u\u011frad\u0131\u011f\u0131 maliyetler ise \u00e7ok daha y\u00fcksek. Bu, bireylere ve kurumlara hem gelir hem de prestij kayb\u0131 olarak yans\u0131yabiliyor. Bu geli\u015fmelerin sonucunda taarruz yapanlar\u0131n kar\u015f\u0131s\u0131nda g\u00fcvenlik maksatl\u0131 hizmet verenler de ortaya \u00e7\u0131kt\u0131 ve bu tarafta de bir pazar olu\u015ftu.\u00a02018 y\u0131l\u0131nda bu pazar, 2 milyar euroluk \u015fa\u015f\u0131rtan bir pahaya ula\u015ft\u0131.<\/p>\n<p>Bug\u00fcn, birinci ak\u0131ndan 20 y\u0131l sonra, Virginia&#39;daki George Mason \u00dcniversitesi&#39;nden Eric Osterweil ve meslekta\u015flar\u0131;\u00a0DDoS ataklar\u0131n\u0131n tabiat\u0131n\u0131, nas\u0131l geli\u015ftiklerini ve a\u011f mimarisi ile daha inan\u00e7l\u0131 hale getirmek i\u00e7in neler yap\u0131labilece\u011fini ara\u015ft\u0131r\u0131yorlar ve g\u00f6r\u00fcn\u00fcm onlara nazaran pek i\u00e7 a\u00e7\u0131c\u0131 de\u011fil.<\/p>\n<p><b>DDoS h\u00fccumlar\u0131 nas\u0131l ger\u00e7ekle\u015fiyor?<\/b><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0001\/99\/79b805bd99d9eb4cc0536a134aee090ce710d60c.jpeg\"\/><\/p>\n<p>DDoS taarruzlar\u0131, ekseriyetle evre kademe ortaya \u00e7\u0131kar.\u00a0\u0130lk basamakta, mak\u00fbs niyetli bir davetsiz konuk, bir a\u011fa yay\u0131lmak \u00fczere tasarlanm\u0131\u015f bir yaz\u0131l\u0131m\u0131 olan bir bilgisayar\u0131 tesirler.\u00a0Bu birinci bilgisayar &#39;master (ana)&#39;\u00a0olarak bilinir.\u00a0\u00c7\u00fcnk\u00fc vir\u00fcs bula\u015fan sonraki bilgisayarlar\u0131 denetim edebilir.\u00a0Di\u011fer vir\u00fcsl\u00fc bilgisayarlar as\u0131l sald\u0131r\u0131y\u0131 ger\u00e7ekle\u015ftirir ve &#39;daemon (\u015feytan)&#39;\u00a0olarak bilinir.\u00a0Bu birinci basamaktaki en yayg\u0131n ma\u011fdurlar \u00fcniversite yahut kolej bilgisayar a\u011flar\u0131d\u0131r zira \u00e7ok \u00e7e\u015fitli \u00f6b\u00fcr ayg\u0131tlara ba\u011flan\u0131rlar.<\/p>\n<p>Ana bilgisayar maksad\u0131n adresini i\u00e7eren k\u0131s\u0131mlara bir komut g\u00f6nderdi\u011finde bir DDoS sald\u0131r\u0131s\u0131 ba\u015flar.\u00a0Ard\u0131ndan daemonlar bu adrese \u00e7ok say\u0131da bilgi paketi g\u00f6ndermeye \u00e7al\u0131\u015f\u0131r.\u00a0Ama\u00e7, taarruz m\u00fcddetince gayesi trafi\u011fe bo\u011fmak.\u00a0G\u00fcn\u00fcm\u00fczdeki en b\u00fcy\u00fck taarruzlar, saniyede terabit surat\u0131nda ziyanl\u0131 bilgi paketleri g\u00f6nderir.<\/p>\n<p><b>DDoS ak\u0131nlar\u0131na kar\u015f\u0131 nas\u0131l korunulur?<\/b><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0001\/99\/19519cf735db19170945ef4ca2ac7f1c2a075669.jpeg\"\/><\/p>\n<p>Bu t\u0131p h\u00fccumlara kar\u015f\u0131 savunmak zordur\u00a0\u00e7\u00fcnk\u00fc bir dizi operat\u00f6r taraf\u0131ndan uyumlu aksiyonlar gerektirir.\u00a0\u0130lk savunma \u00e7izgisi, birinci etapta daemon a\u011f\u0131n\u0131n olu\u015fturulmas\u0131n\u0131 \u00f6nlemektir.\u00a0Bu, sistem y\u00f6neticilerinin\u00a0kulland\u0131klar\u0131 yaz\u0131l\u0131m\u0131 tertipli olarak g\u00fcncellemesini,\u00a0d\u00fczeltme yapmas\u0131n\u0131 ve a\u011flar\u0131n\u0131n kullan\u0131c\u0131lar\u0131n\u0131 g\u00fcvenlik konusunda bilin\u00e7lendirmesi ve uyarmas\u0131n\u0131\u00a0(d\u00fczenli olarak \u015fifreleri de\u011fi\u015ftirme, ferd\u00ee g\u00fcvenlik duvarlar\u0131n\u0131 kullanma vb.) gerektirir.<\/p>\n<p><strong>\u0130nternet servis sa\u011flay\u0131c\u0131lar\u0131n\u0131n rol\u00fc:<\/strong><\/p>\n<p>\u0130nternet servis sa\u011flay\u0131c\u0131lar\u0131 da savunma sa\u011flayabilir.\u00a0Rolleri, bilgi paketlerini bir a\u011f\u0131n bir k\u0131sm\u0131ndan di\u011ferine\u00a0her bilgi paketinin ba\u015fl\u0131\u011f\u0131ndaki adrese ba\u011fl\u0131 olarak iletmektir.\u00a0Bu, ekseriyetle data paketinin nereden geldi\u011fine dikkat edilmeden yap\u0131l\u0131r.<\/p>\n<p>Lakin bu de\u011fi\u015febilir.\u00a0Ba\u015fl\u0131k sadece gaye adresi de\u011fil, kaynak adresini de i\u00e7erir.\u00a0Dolay\u0131s\u0131yla teoride, bir internet servis sa\u011flay\u0131c\u0131s\u0131n\u0131n kaynak adresini incelemesi ve a\u00e7\u0131k\u00e7a ge\u00e7ersiz kaynaklar i\u00e7eren paketleri engellemesi m\u00fcmk\u00fcnd\u00fcr.<\/p>\n<p><b>Gayenin kendisi nas\u0131l tedbir alabilir?<\/b><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0001\/99\/65d0c2a11f68ffed5805344a1a70c3697b5651a2.jpeg\"\/><\/p>\n<p>Son olarak, maksad\u0131n kendisi bir h\u00fccumun tesirlerini hafifletmek i\u00e7in ad\u0131mlar atabilir.\u00a0En \u00f6nemli\u00a0ad\u0131m, gelen yan\u0131lg\u0131l\u0131 data paketlerini filtrelemek.\u00a0Di\u011fer bir se\u00e7enek de\u00a0bu t\u0131p tehditlerle ba\u015fa \u00e7\u0131kmak i\u00e7in daha g\u00fczel donan\u0131ml\u0131 bir bulut tabanl\u0131 hizmet i\u00e7in sorunu d\u0131\u015f kaynak olarak kullanmakt\u0131r. Lakin bunlar bile en b\u00fcy\u00fck h\u00fccumlarla ba\u015fa \u00e7\u0131kmada zorluk ya\u015fayabilir.<\/p>\n<p>DDoS ak\u0131nlar\u0131yla ilgili de\u011ferli bir m\u00fc\u015fahede;\u00a0sald\u0131r\u0131n\u0131n ve savunman\u0131n asimetrik oldu\u011fu.\u00a0Bir DDoS sald\u0131r\u0131s\u0131 tipik olarak d\u00fcnyan\u0131n her yerindeki bir\u00e7ok servisten ba\u015flat\u0131l\u0131r ve tekrar de savunma b\u00fcy\u00fck \u00f6l\u00e7\u00fcde tek bir yerde ger\u00e7ekle\u015fir.<\/p>\n<p>Bu ve ba\u015fka fikirlerin interneti daha inan\u00e7l\u0131 bir yer haline getirme potansiyeli vard\u0131r. Lakin birinci kullan\u0131c\u0131dan internet servis sa\u011flay\u0131c\u0131lar\u0131na kadar b\u00fct\u00fcn ki\u015fi ve kurumlar\u0131n bu mevzuda istekli olup gereken maddi ve fiziki k\u00fclfetin alt\u0131na girmesi gerekir.<\/p>\n<div> <\/div>\n<div>\n<div> <\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>22 Temmuz 1999, bilgisayar tarihinde u\u011fursuz bir tarihtir.\u00a0O g\u00fcn\u00a0Minnesota \u00dcniversitesi\u2019ndeki bir bilgisayar, birden te\u011fe &#39;Trin00&#038;#39 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":2932,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15],"tags":[945,1006,1007,1008,1003],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/2931"}],"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=2931"}],"version-history":[{"count":1,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/2931\/revisions"}],"predecessor-version":[{"id":2933,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/2931\/revisions\/2933"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/media\/2932"}],"wp:attachment":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}