{"id":2127,"date":"2025-05-15T08:18:37","date_gmt":"2025-05-15T08:18:37","guid":{"rendered":"https:\/\/teknodc.net\/blog\/?p=2127"},"modified":"2025-05-15T08:20:02","modified_gmt":"2025-05-15T08:20:02","slug":"ddos-saldirilarina-karsi-alinabilecek-onlemler","status":"publish","type":"post","link":"https:\/\/teknodc.net\/blog\/ddos-saldirilarina-karsi-alinabilecek-onlemler\/","title":{"rendered":"DDoS Sald\u0131r\u0131lar\u0131na Kar\u015f\u0131 Al\u0131nabilecek \u00d6nlemler"},"content":{"rendered":"<h2>DDoS Sald\u0131r\u0131lar\u0131na Kar\u015f\u0131 Al\u0131nabilecek \u00d6nlemler<\/h2>\n<p><b>DDoS sald\u0131r\u0131s\u0131 nedir?<\/b><span style=\"font-weight: 400;\"> sorusu, g\u00fcn\u00fcm\u00fczde internet servislerinin s\u00fcreklili\u011fini tehdit eden en \u00f6nemli siber g\u00fcvenlik sorunlar\u0131ndan biridir. Distributed Denial of Service (DDoS), yani Da\u011f\u0131t\u0131lm\u0131\u015f Hizmet Engelleme sald\u0131r\u0131s\u0131, \u00e7ok say\u0131da farkl\u0131 kaynaktan (genellikle botnet ad\u0131 verilen zombi bilgisayar a\u011flar\u0131) hedef sisteme a\u015f\u0131r\u0131 miktarda trafik g\u00f6nderilerek sunucular\u0131n, web sitelerinin veya di\u011fer a\u011f kaynaklar\u0131n\u0131n normal kullan\u0131c\u0131lar i\u00e7in eri\u015filemez hale getirilmesi amac\u0131n\u0131 ta\u015f\u0131r. <\/span><b>DDoS sald\u0131r\u0131s\u0131 nedir?<\/b><span style=\"font-weight: 400;\"> sorusunun cevab\u0131n\u0131 anlamak, bu t\u00fcr sald\u0131r\u0131lara kar\u015f\u0131 etkili <\/span><b>DDoS koruma y\u00f6ntemleri<\/b><span style=\"font-weight: 400;\"> geli\u015ftirmek ve genel <\/span><b>sunucu g\u00fcvenli\u011fi<\/b><span style=\"font-weight: 400;\"> stratejilerini g\u00fc\u00e7lendirmek i\u00e7in hayati \u00f6nem ta\u015f\u0131r.<\/span><\/p>\n<h2><b>DDoS Sald\u0131r\u0131s\u0131 Nedir? Temel Mekanizmalar ve Etkileri<\/b><\/h2>\n<p>DDoS sald\u0131r\u0131s\u0131 nedir? sorusunun daha detayl\u0131 yan\u0131t\u0131, sald\u0131r\u0131n\u0131n genellikle birden fazla a\u015famada ger\u00e7ekle\u015fti\u011fini i\u00e7erir. Sald\u0131rganlar \u00f6ncelikle zafiyetleri olan \u00e7ok say\u0131da cihaz\u0131 (bilgisayarlar, IoT cihazlar\u0131 vb.) k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlarla enfekte ederek bir botnet olu\u015fturur. Ard\u0131ndan, tek bir komuta merkezi arac\u0131l\u0131\u011f\u0131yla bu botnet&#8217;teki t\u00fcm cihazlara ayn\u0131 anda hedef sisteme yo\u011fun trafik g\u00f6ndermesi talimat\u0131 verilir. Bu a\u015f\u0131r\u0131 y\u00fcklenme, hedef sunucunun kaynaklar\u0131n\u0131 t\u00fcketir ve normalde hizmet vermesi gereken kullan\u0131c\u0131lara yan\u0131t veremez hale gelmesine neden olur. DDoS sald\u0131r\u0131s\u0131 nedir? sorusunun sonu\u00e7lar\u0131 aras\u0131nda web sitesi eri\u015fiminin kesilmesi, i\u015f kayb\u0131, itibar zedelenmesi ve operasyonel aksakl\u0131klar say\u0131labilir. Bu nedenle, <a href=\"\/dedicated\">sunucu<\/a> g\u00fcvenli\u011finin \u00f6nemli bir par\u00e7as\u0131 olarak DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 \u00f6nlemler almak zorunludur.<\/p>\n<h3><b>DDoS Koruma Y\u00f6ntemleri<\/b><\/h3>\n<p><b>DDoS koruma y\u00f6ntemleri<\/b><span style=\"font-weight: 400;\">, sald\u0131r\u0131n\u0131n t\u00fcr\u00fcne, b\u00fcy\u00fckl\u00fc\u011f\u00fcne ve hedefledi\u011fi katmana g\u00f6re farkl\u0131l\u0131k g\u00f6sterebilir. Etkili bir <\/span>DDoS koruma y\u00f6ntemleri stratejisi, genellikle \u00e7ok katmanl\u0131 bir yakla\u015f\u0131m\u0131 benimser. Bu yakla\u015f\u0131m, sald\u0131r\u0131lar\u0131 kayna\u011f\u0131nda engellemeye \u00e7al\u0131\u015fmaktan, sald\u0131r\u0131 trafi\u011fini filtrelemeye ve hedef sistemlerin a\u015f\u0131r\u0131 y\u00fcklenmeye kar\u015f\u0131 dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 art\u0131rmaya kadar \u00e7e\u015fitli teknikleri i\u00e7erir. <a href=\"https:\/\/www.google.com\/search?q=Sunucu+site%3Ateknodc.net&amp;rlz=1C1GCEU_trTR1161TR1161&amp;oq=&amp;gs_lcrp=EgZjaHJvbWUqBggBEEUYOzIJCAAQRRg5GIAEMgYIARBFGDsyCAgCEEUYJxg7MggIAxBFGCcYOzIGCAQQRRg7MgYIBRBFGDwyBggGEEUYPDIGCAcQRRg80gEINTYyNWowajeoAgiwAgHxBXS49FE1U2Tl8QV0uPRRNVNk5Q&amp;sourceid=chrome&amp;ie=UTF-8\">Sunucu<\/a> g\u00fcvenli\u011fi uzmanlar\u0131, DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 proaktif ve reaktif \u00f6nlemlerin bir kombinasyonunu \u00f6nerirler.<\/p>\n<h3><b>DDoS Koruma Y\u00f6ntemleri Aras\u0131nda \u00d6ne \u00c7\u0131kanlar:<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>A\u015f\u0131r\u0131 Sa\u011flama (Over-provisioning):<\/b><span style=\"font-weight: 400;\"><a href=\"\/virtualprivateserver\"> Sunucu<\/a> ve a\u011f altyap\u0131s\u0131n\u0131n normal trafikten \u00e7ok daha fazlas\u0131n\u0131 kald\u0131rabilecek kapasitede tutulmas\u0131, k\u00fc\u00e7\u00fck \u00f6l\u00e7ekli sald\u0131r\u0131lara kar\u015f\u0131 bir miktar koruma sa\u011flayabilir ancak b\u00fcy\u00fck sald\u0131r\u0131lar kar\u015f\u0131s\u0131nda yetersiz kal\u0131r.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Trafik \u0130zleme ve Anomali Tespiti:<\/b><span style=\"font-weight: 400;\"> A\u011f trafi\u011finin s\u00fcrekli olarak izlenmesi ve normal d\u0131\u015f\u0131 trafik patternlerinin (ani art\u0131\u015flar, belirli IP adreslerinden gelen yo\u011fun istekler vb.) tespit edilmesi, olas\u0131 bir sald\u0131r\u0131n\u0131n erken a\u015famalar\u0131nda fark edilmesine yard\u0131mc\u0131 olur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Kara Listeler ve Beyaz Listeler:<\/b><span style=\"font-weight: 400;\"> Bilinen k\u00f6t\u00fc niyetli IP adreslerinin ve co\u011frafi b\u00f6lgelerin engellenmesi (kara liste) veya sadece g\u00fcvenilir IP adreslerine ve b\u00f6lgelere izin verilmesi (beyaz liste) basit ama etkili <\/span>DDoS koruma y\u00f6ntemleri<span style=\"font-weight: 400;\">nden biridir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Trafik \u015eekillendirme ve H\u0131z S\u0131n\u0131rlama (Traffic Shaping and Rate Limiting):<\/b><span style=\"font-weight: 400;\"> Belirli <a href=\"\/iprent\">IP adreslerinden<\/a> veya belirli trafik t\u00fcrlerinden gelen isteklerin h\u0131z\u0131n\u0131n s\u0131n\u0131rland\u0131r\u0131lmas\u0131, sunucular\u0131n a\u015f\u0131r\u0131 y\u00fcklenmesini \u00f6nleyebilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0130\u00e7erik Da\u011f\u0131t\u0131m A\u011f\u0131 (CDN) Kullan\u0131m\u0131:<\/b><span style=\"font-weight: 400;\"> CDN&#8217;ler, web sitesi i\u00e7eri\u011fini d\u00fcnya genelindeki farkl\u0131 sunuculara da\u011f\u0131tarak sald\u0131r\u0131 trafi\u011finin tek bir noktaya yo\u011funla\u015fmas\u0131n\u0131 engeller ve y\u00fck dengelemesi sa\u011flar.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>DDoS Temizleme Merkezleri (DDoS Scrubbing Centers):<\/b><span style=\"font-weight: 400;\"> Bu \u00f6zel merkezler, b\u00fcy\u00fck miktardaki sald\u0131r\u0131 trafi\u011fini filtrelemek ve temiz trafi\u011fi hedef sunucuya y\u00f6nlendirmek i\u00e7in tasarlanm\u0131\u015ft\u0131r. Geli\u015fmi\u015f filtreleme teknikleri ve y\u00fcksek bant geni\u015fli\u011fi kapasiteleri sayesinde etkili bir <\/span>DDoS koruma y\u00f6ntemleri<span style=\"font-weight: 400;\"> sunarlar.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Web Uygulama G\u00fcvenlik Duvar\u0131 (WAF):<\/b><span style=\"font-weight: 400;\"> WAF&#8217;lar, web uygulamalar\u0131na y\u00f6nelik HTTP\/HTTPS tabanl\u0131 sald\u0131r\u0131lar\u0131 (\u00f6rne\u011fin, uygulama katman\u0131 DDoS sald\u0131r\u0131lar\u0131) tespit edebilir ve engelleyebilir.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>G\u00fc\u00e7l\u00fc Altyap\u0131 ve \u0130yi Konfig\u00fcrasyon:<\/b><span style=\"font-weight: 400;\"> Sunucular\u0131n ve a\u011f cihazlar\u0131n\u0131n g\u00fcncel tutulmas\u0131, g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131n kapat\u0131lmas\u0131 ve do\u011fru konfig\u00fcrasyonlar yap\u0131lmas\u0131 genel <\/span>sunucu g\u00fcvenli\u011fi<span style=\"font-weight: 400;\">nin bir par\u00e7as\u0131 olarak <\/span>DDoS sald\u0131r\u0131lar\u0131<span style=\"font-weight: 400;\">na kar\u015f\u0131 direnci art\u0131r\u0131r.<\/span><\/li>\n<\/ul>\n<h3><b>S\u0131k\u00e7a Sorulan Sorular(SSS)<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h4><b>DDoS sald\u0131r\u0131s\u0131 nedir ve normal bir yo\u011fun trafikten fark\u0131 nedir?<\/b><b><br \/>\n<b style=\"font-size: 14px; font-family: 'PT Serif', serif;\"><\/b><\/b><\/h4>\n<\/li>\n<\/ul>\n<p><b><b style=\"font-size: 14px; font-family: 'PT Serif', serif;\">DDoS sald\u0131r\u0131s\u0131 nedir<\/b><span style=\"font-weight: 400;\">, \u00e7ok say\u0131da farkl\u0131 kaynaktan gelen e\u015f zamanl\u0131 isteklerle hedef sistemi a\u015f\u0131r\u0131 y\u00fckleyerek hizmet vermesini engelleme giri\u015fimidir. Normal yo\u011fun trafik ise me\u015fru kullan\u0131c\u0131lar\u0131n artan taleplerinden kaynaklan\u0131r.<\/span><\/b><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h4><b>DDoS sald\u0131r\u0131lar\u0131n\u0131n yayg\u0131n t\u00fcrleri nelerdir?<\/b><b><br \/>\n<\/b><\/h4>\n<\/li>\n<\/ul>\n<p><b><span style=\"font-weight: 400;\">Yayg\u0131n <\/span><b style=\"font-size: 14px; font-family: 'PT Serif', serif;\">DDoS sald\u0131r\u0131s\u0131<\/b><span style=\"font-weight: 400;\"> t\u00fcrleri aras\u0131nda TCP SYN flood, UDP flood, HTTP flood ve DNS amplification sald\u0131r\u0131lar\u0131 bulunur. Her bir t\u00fcr, farkl\u0131 katmanlar\u0131 ve protokolleri hedef al\u0131r.<\/span><\/b><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h4><b>K\u00fc\u00e7\u00fck bir web sitesi sahibi olarak DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 nas\u0131l korunabilirim?<\/b><b><br \/>\n<\/b><\/h4>\n<\/li>\n<\/ul>\n<p><b><span style=\"font-weight: 400;\">CDN kullanmak, temel g\u00fcvenlik duvar\u0131 yap\u0131land\u0131rmalar\u0131 yapmak ve <a href=\"\/webhosting\">hosting<\/a> sa\u011flay\u0131c\u0131n\u0131z\u0131n sundu\u011fu <\/span><b style=\"font-size: 14px; font-family: 'PT Serif', serif;\">DDoS koruma y\u00f6ntemleri<\/b><span style=\"font-weight: 400;\">nden yararlanmak k\u00fc\u00e7\u00fck \u00f6l\u00e7ekli web siteleri i\u00e7in al\u0131nabilecek ilk \u00f6nlemlerdir.<\/span><\/b><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h4><b>DDoS sald\u0131r\u0131s\u0131 an\u0131nda ne yapmal\u0131y\u0131m?<\/b><b><br \/>\n<\/b><\/h4>\n<\/li>\n<\/ul>\n<p><b><span style=\"font-weight: 400;\">Sald\u0131r\u0131 an\u0131nda hosting sa\u011flay\u0131c\u0131n\u0131zla ileti\u015fime ge\u00e7mek, trafik analizi yapmak, gerekirse sald\u0131r\u0131 trafi\u011fini filtrelemeye \u00e7al\u0131\u015fmak ve uzun vadede daha kapsaml\u0131 <\/span><b style=\"font-size: 14px; font-family: 'PT Serif', serif;\">DDoS koruma y\u00f6ntemleri<\/b><span style=\"font-weight: 400;\"> uygulamak \u00f6nemlidir.<\/span><\/b><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">\n<h4><b>DDoS koruma y\u00f6ntemleri %100 etkili midir?<\/b><b><br \/>\n<\/b><\/h4>\n<\/li>\n<\/ul>\n<p><b><span style=\"font-weight: 400;\">Hi\u00e7bir <\/span><b style=\"font-size: 14px; font-family: 'PT Serif', serif;\">DDoS koruma y\u00f6ntemleri<\/b><span style=\"font-weight: 400;\"> %100 garanti sunmaz \u00e7\u00fcnk\u00fc sald\u0131r\u0131 teknikleri s\u00fcrekli geli\u015fmektedir. Ancak, \u00e7ok katmanl\u0131 ve g\u00fcncel bir savunma stratejisi, sald\u0131r\u0131lar\u0131n etkisini \u00f6nemli \u00f6l\u00e7\u00fcde azaltabilir.<\/span><\/b><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DDoS Sald\u0131r\u0131lar\u0131na Kar\u015f\u0131 Al\u0131nabilecek \u00d6nlemler DDoS sald\u0131r\u0131s\u0131 nedir? sorusu, g\u00fcn\u00fcm\u00fczde internet servislerinin s\u00fcreklili\u011fini tehdit eden en&hellip;<\/p>\n","protected":false},"author":1,"featured_media":2128,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"categories":[26,27],"tags":[],"class_list":["post-2127","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sunucu","category-guvenlik"],"_links":{"self":[{"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/posts\/2127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/comments?post=2127"}],"version-history":[{"count":3,"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/posts\/2127\/revisions"}],"predecessor-version":[{"id":2131,"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/posts\/2127\/revisions\/2131"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/media\/2128"}],"wp:attachment":[{"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/media?parent=2127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/categories?post=2127"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/teknodc.net\/blog\/wp-json\/wp\/v2\/tags?post=2127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}