{"id":709,"date":"2024-10-25T17:25:48","date_gmt":"2024-10-25T14:25:48","guid":{"rendered":"https:\/\/www.dchost.com\/blog\/?p=709"},"modified":"2024-10-25T17:27:07","modified_gmt":"2024-10-25T14:27:07","slug":"ddos-nedir-web-sitenizi-ddos-saldirilarindan-nasil-korursunuz","status":"publish","type":"post","link":"https:\/\/www.dchost.com\/blog\/ddos-nedir-web-sitenizi-ddos-saldirilarindan-nasil-korursunuz\/","title":{"rendered":"DDoS Nedir? Web Sitenizi DDoS Sald\u0131r\u0131lar\u0131ndan Nas\u0131l Korursunuz?"},"content":{"rendered":"<div class=\"dchost-blog-content-wrapper\"><p>\u0130nternet d\u00fcnyas\u0131nda faaliyet g\u00f6steren herkesin en b\u00fcy\u00fck endi\u015felerinden biri, web sitelerine yap\u0131lacak siber sald\u0131r\u0131lard\u0131r. Bu sald\u0131r\u0131lar aras\u0131nda en yayg\u0131n ve etkili olanlardan biri de DDoS (Distributed Denial of Service) sald\u0131r\u0131lar\u0131d\u0131r. Peki, <strong>DDoS nedir<\/strong>, nas\u0131l \u00e7al\u0131\u015f\u0131r ve web sitenizi bu t\u00fcr sald\u0131r\u0131lardan nas\u0131l koruyabilirsiniz? Hem teknik bilgisi olanlar hem de konuya yeni ba\u015flayanlar i\u00e7in anla\u015f\u0131l\u0131r ve a\u00e7\u0131klay\u0131c\u0131 bir rehber sunuyoruz.<\/p>\n<div id=\"toc_container\" class=\"toc_transparent no_bullets\"><p class=\"toc_title\">\u0130&ccedil;indekiler<\/p><ul class=\"toc_list\"><li><a href=\"#DDoS_Nedir\"><span class=\"toc_number toc_depth_1\">1<\/span> DDoS Nedir?<\/a><\/li><li><a href=\"#DDoS_Saldirisi_Nasil_Calisir\"><span class=\"toc_number toc_depth_1\">2<\/span> DDoS Sald\u0131r\u0131s\u0131 Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/a><\/li><li><a href=\"#Web_Sitenizi_DDoS_Saldirilarindan_Nasil_Koruyabilirsiniz\"><span class=\"toc_number toc_depth_1\">3<\/span> Web Sitenizi DDoS Sald\u0131r\u0131lar\u0131ndan Nas\u0131l Koruyabilirsiniz?<\/a><ul><li><a href=\"#1_Iyi_Bir_Hosting_Saglayicisi_Secin\"><span class=\"toc_number toc_depth_2\">3.1<\/span> 1. \u0130yi Bir Hosting Sa\u011flay\u0131c\u0131s\u0131 Se\u00e7in<\/a><\/li><li><a href=\"#2_DDoS_Koruma_Hizmeti_Kullanin\"><span class=\"toc_number toc_depth_2\">3.2<\/span> 2. DDoS Koruma Hizmeti Kullan\u0131n<\/a><\/li><li><a href=\"#3_Yuk_Dengeleyici_Kullanin\"><span class=\"toc_number toc_depth_2\">3.3<\/span> 3. Y\u00fck Dengeleyici Kullan\u0131n<\/a><\/li><li><a href=\"#4_Web_Uygulama_Guvenlik_Duvari_WAF_Kullanin\"><span class=\"toc_number toc_depth_2\">3.4<\/span> 4. Web Uygulama G\u00fcvenlik Duvar\u0131 (WAF) Kullan\u0131n<\/a><\/li><li><a href=\"#5_CDN_Content_Delivery_Network_Kullanin\"><span class=\"toc_number toc_depth_2\">3.5<\/span> 5. CDN (Content Delivery Network) Kullan\u0131n<\/a><\/li><li><a href=\"#6_Trafik_Izleme_ve_Analiz_Araclari_Kullanin\"><span class=\"toc_number toc_depth_2\">3.6<\/span> 6. Trafik \u0130zleme ve Analiz Ara\u00e7lar\u0131 Kullan\u0131n<\/a><\/li><li><a href=\"#7_Acil_Durum_Plani_Hazirlayin\"><span class=\"toc_number toc_depth_2\">3.7<\/span> 7. Acil Durum Plan\u0131 Haz\u0131rlay\u0131n<\/a><\/li><\/ul><\/li><li><a href=\"#DDoS_Saldirilarinin_Etkileri\"><span class=\"toc_number toc_depth_1\">4<\/span> DDoS Sald\u0131r\u0131lar\u0131n\u0131n Etkileri<\/a><\/li><li><a href=\"#Sonuc\"><span class=\"toc_number toc_depth_1\">5<\/span> Sonu\u00e7<\/a><\/li><\/ul><\/div>\n<h2><span id=\"DDoS_Nedir\">DDoS Nedir?<\/span><\/h2>\n<p><strong>DDoS (Distributed Denial of Service)<\/strong> sald\u0131r\u0131s\u0131, bir web sitesine veya sunucuya a\u015f\u0131r\u0131 miktarda trafik g\u00f6ndererek hizmeti aksatmay\u0131 veya tamamen durdurmay\u0131 ama\u00e7layan bir siber sald\u0131r\u0131 t\u00fcr\u00fcd\u00fcr. Bu sald\u0131r\u0131lar, genellikle birden fazla kaynak taraf\u0131ndan ayn\u0131 anda yap\u0131l\u0131r, bu da &#8220;da\u011f\u0131t\u0131lm\u0131\u015f&#8221; olmas\u0131n\u0131n sebebidir. Sald\u0131rganlar, internet \u00fczerinden bir\u00e7ok farkl\u0131 cihaz\u0131 ele ge\u00e7irip, hedef siteye ayn\u0131 anda veri g\u00f6ndererek siteyi kullan\u0131lamaz hale getirir.<\/p>\n<p>DDoS sald\u0131r\u0131lar\u0131, hedef al\u0131nan web sitesinin normal kullan\u0131c\u0131lar\u0131na hizmet veremeyecek kadar yo\u011fun bir trafik olu\u015fturur. Bu durum, \u00f6zellikle e-ticaret siteleri gibi s\u00fcrekli eri\u015filebilir olmas\u0131 gereken siteler i\u00e7in ciddi bir sorun yarat\u0131r.<\/p>\n<h2><span id=\"DDoS_Saldirisi_Nasil_Calisir\">DDoS Sald\u0131r\u0131s\u0131 Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/span><\/h2>\n<p>DDoS sald\u0131r\u0131lar\u0131 genellikle botnet ad\u0131 verilen k\u00f6t\u00fc niyetli bir a\u011f taraf\u0131ndan ger\u00e7ekle\u015ftirilir. Botnet, sald\u0131rganlar taraf\u0131ndan kontrol edilen ve komut alabilen vir\u00fcs bula\u015fm\u0131\u015f cihazlar toplulu\u011fudur. Bu cihazlar, bilgisayarlar, ak\u0131ll\u0131 telefonlar, IoT cihazlar\u0131 (ak\u0131ll\u0131 ev cihazlar\u0131) gibi bir\u00e7ok farkl\u0131 teknolojik ara\u00e7 olabilir.<\/p>\n<p>Sald\u0131rganlar, ele ge\u00e7irdikleri bu cihazlar arac\u0131l\u0131\u011f\u0131yla hedef web sitesine b\u00fcy\u00fck bir veri trafi\u011fi g\u00f6nderirler. Bu yo\u011fun trafik nedeniyle sunucu kaynaklar\u0131 t\u00fckenir, bant geni\u015fli\u011fi dolup ta\u015far ve site ya yava\u015flar ya da tamamen eri\u015filemez hale gelir.<\/p>\n<p>DDoS sald\u0131r\u0131lar\u0131n\u0131n birka\u00e7 farkl\u0131 t\u00fcr\u00fc bulunmaktad\u0131r:<\/p>\n<ol>\n<li><strong>Hacimsel Sald\u0131r\u0131lar<\/strong>: Bu t\u00fcr sald\u0131r\u0131larda b\u00fcy\u00fck miktarda veri g\u00f6nderilir ve hedefin bant geni\u015fli\u011fi doldurulmaya \u00e7al\u0131\u015f\u0131l\u0131r. Web sitesi trafi\u011fe dayanamaz ve \u00e7\u00f6kme noktas\u0131na gelir.<\/li>\n<li><strong>Protokol Sald\u0131r\u0131lar\u0131<\/strong>: Sunucunun a\u011f ileti\u015fim protokollerini hedef alarak sunucunun kaynaklar\u0131n\u0131 t\u00fcketmeyi ama\u00e7lar. \u00d6zellikle TCP\/IP protokollerine sald\u0131r\u0131lar yap\u0131l\u0131r.<\/li>\n<li><strong>Uygulama Katman\u0131 Sald\u0131r\u0131lar\u0131<\/strong>: Hedef sitenin uygulama katman\u0131ndaki zay\u0131f noktalar\u0131 kullan\u0131larak yap\u0131l\u0131r. Bu t\u00fcr sald\u0131r\u0131lar, web sitenizin fonksiyonlar\u0131n\u0131 hedef alarak sunucu kaynaklar\u0131n\u0131 t\u00fcketir.<\/li>\n<\/ol>\n<h2><span id=\"Web_Sitenizi_DDoS_Saldirilarindan_Nasil_Koruyabilirsiniz\">Web Sitenizi DDoS Sald\u0131r\u0131lar\u0131ndan Nas\u0131l Koruyabilirsiniz?<\/span><\/h2>\n<p>DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 koruma sa\u011flamak, proaktif bir yakla\u015f\u0131mla m\u00fcmk\u00fcnd\u00fcr. Web sitenizi korumak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri ve ara\u00e7lar\u0131 kullanabilirsiniz:<\/p>\n<h3><span id=\"1_Iyi_Bir_Hosting_Saglayicisi_Secin\">1. <strong>\u0130yi Bir Hosting Sa\u011flay\u0131c\u0131s\u0131 Se\u00e7in<\/strong><\/span><\/h3>\n<p>Web sitenizin bar\u0131nd\u0131\u011f\u0131 sunucunun DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 dayan\u0131kl\u0131 olmas\u0131, ilk savunma hatt\u0131n\u0131 olu\u015fturur. \u00d6zellikle <a href=\"https:\/\/www.dchost.com\/tr\/\"><strong>DDoS korumas\u0131 sa\u011flayan hosting hizmetleri<\/strong> <\/a>sunan sa\u011flay\u0131c\u0131larla \u00e7al\u0131\u015fmak, sitenizin sald\u0131r\u0131lara kar\u015f\u0131 g\u00fcvenli\u011fini art\u0131r\u0131r.<\/p>\n<h3><span id=\"2_DDoS_Koruma_Hizmeti_Kullanin\">2. <strong>DDoS Koruma Hizmeti Kullan\u0131n<\/strong><\/span><\/h3>\n<p>DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 korunman\u0131n en etkili yollar\u0131ndan biri, <strong>DDoS koruma hizmeti<\/strong> sunan \u015firketlerle \u00e7al\u0131\u015fmakt\u0131r. Bu hizmetler, sitenize yap\u0131lan sald\u0131r\u0131lar\u0131n t\u00fcr\u00fcn\u00fc tespit eder ve trafi\u011fi filtreleyerek sald\u0131r\u0131 trafi\u011fini durdurur. <strong>Cloudflare, Akamai, AWS Shield<\/strong> gibi b\u00fcy\u00fck DDoS koruma hizmetleri bu alanda pop\u00fclerdir.<\/p>\n<h3><span id=\"3_Yuk_Dengeleyici_Kullanin\">3. <strong>Y\u00fck Dengeleyici Kullan\u0131n<\/strong><\/span><\/h3>\n<p>Y\u00fck dengeleyici (load balancer), gelen trafi\u011fi birden fazla sunucuya da\u011f\u0131tarak sistemin a\u015f\u0131r\u0131 y\u00fcklenmesini engeller. Bu sayede, DDoS sald\u0131r\u0131lar\u0131n\u0131n yaratt\u0131\u011f\u0131 yo\u011fun trafik da\u011f\u0131t\u0131l\u0131r ve sistemin \u00e7\u00f6kmesi \u00f6nlenir.<\/p>\n<h3><span id=\"4_Web_Uygulama_Guvenlik_Duvari_WAF_Kullanin\">4. <strong>Web Uygulama G\u00fcvenlik Duvar\u0131 (WAF) Kullan\u0131n<\/strong><\/span><\/h3>\n<p>WAF, web sitenize gelen trafi\u011fi analiz ederek sald\u0131rganlardan gelen talepleri filtreler. <strong>Web Uygulama G\u00fcvenlik Duvar\u0131 (WAF)<\/strong> kullanarak, sitenizi hedef alan k\u00f6t\u00fc niyetli trafi\u011fi durdurabilir ve DDoS sald\u0131r\u0131lar\u0131n\u0131 engelleyebilirsiniz.<\/p>\n<h3><span id=\"5_CDN_Content_Delivery_Network_Kullanin\">5. <strong>CDN (Content Delivery Network) Kullan\u0131n<\/strong><\/span><\/h3>\n<p>CDN, web sitenizin i\u00e7eri\u011fini d\u00fcnya genelindeki sunuculara da\u011f\u0131tarak kullan\u0131c\u0131lara en yak\u0131n sunucudan hizmet sunar. Bu sayede hem sayfa y\u00fckleme h\u0131z\u0131n\u0131z\u0131 art\u0131r\u0131r hem de olas\u0131 bir DDoS sald\u0131r\u0131s\u0131nda trafi\u011fi farkl\u0131 sunuculara da\u011f\u0131tarak y\u00fck\u00fc hafifletir.<\/p>\n<h3><span id=\"6_Trafik_Izleme_ve_Analiz_Araclari_Kullanin\">6. <strong>Trafik \u0130zleme ve Analiz Ara\u00e7lar\u0131 Kullan\u0131n<\/strong><\/span><\/h3>\n<p>DDoS sald\u0131r\u0131lar\u0131 genellikle ani trafik art\u0131\u015flar\u0131 ile fark edilir. <strong>Trafik izleme ara\u00e7lar\u0131<\/strong> kullanarak, anormal trafi\u011fi tespit edebilir ve olas\u0131 sald\u0131r\u0131lara kar\u015f\u0131 \u00f6nceden \u00f6nlem alabilirsiniz. <strong>Nagios, Zabbix, SolarWinds<\/strong> gibi ara\u00e7lar bu alanda s\u0131k\u00e7a kullan\u0131l\u0131r.<\/p>\n<h3><span id=\"7_Acil_Durum_Plani_Hazirlayin\">7. <strong>Acil Durum Plan\u0131 Haz\u0131rlay\u0131n<\/strong><\/span><\/h3>\n<p>Bir DDoS sald\u0131r\u0131s\u0131n\u0131n her an ger\u00e7ekle\u015febilece\u011fini g\u00f6z \u00f6n\u00fcnde bulundurarak bir <strong>acil durum plan\u0131<\/strong> haz\u0131rlamak, olas\u0131 sald\u0131r\u0131larda kay\u0131plar\u0131n\u0131z\u0131 en aza indirir. Bu plan, hangi ad\u0131mlar\u0131n at\u0131laca\u011f\u0131n\u0131 ve hangi ara\u00e7lar\u0131n kullan\u0131laca\u011f\u0131n\u0131 i\u00e7ermelidir. Ekibinizin bu plan\u0131 bilmesi ve gerekti\u011finde h\u0131zl\u0131 bir \u015fekilde harekete ge\u00e7mesi sa\u011flanmal\u0131d\u0131r.<\/p>\n<h2><span id=\"DDoS_Saldirilarinin_Etkileri\">DDoS Sald\u0131r\u0131lar\u0131n\u0131n Etkileri<\/span><\/h2>\n<p>DDoS sald\u0131r\u0131lar\u0131, sadece web sitenizi yava\u015flatmakla veya eri\u015filmez hale getirmekle kalmaz, ayn\u0131 zamanda <strong>finansal kay\u0131plara<\/strong> da yol a\u00e7abilir. \u00d6zellikle e-ticaret siteleri i\u00e7in hizmet kesintisi, b\u00fcy\u00fck m\u00fc\u015fteri kay\u0131plar\u0131 ve gelir d\u00fc\u015f\u00fc\u015f\u00fc anlam\u0131na gelir. Ayr\u0131ca, bir sald\u0131r\u0131n\u0131n ba\u015far\u0131s\u0131, marka itibar\u0131n\u0131z\u0131 da olumsuz etkileyebilir.<\/p>\n<p>Bir di\u011fer \u00f6nemli konu ise, DDoS sald\u0131r\u0131lar\u0131n\u0131n di\u011fer siber sald\u0131r\u0131lar i\u00e7in bir zemin haz\u0131rlamas\u0131 olabilir. Sald\u0131rganlar, DDoS sald\u0131r\u0131lar\u0131 ile dikkatinizi da\u011f\u0131t\u0131rken, ayn\u0131 anda ba\u015fka g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131z\u0131 hedef alabilirler.<\/p>\n<h2><span id=\"Sonuc\">Sonu\u00e7<\/span><\/h2>\n<p>DDoS sald\u0131r\u0131lar\u0131, internet d\u00fcnyas\u0131nda kar\u015f\u0131la\u015f\u0131lan en tehlikeli tehditlerden biridir. Ancak, do\u011fru \u00f6nlemler alarak ve web sitenizi g\u00fcvence alt\u0131na alarak bu t\u00fcr sald\u0131r\u0131lara kar\u015f\u0131 savunma yapabilirsiniz. \u0130yi bir hosting sa\u011flay\u0131c\u0131s\u0131, DDoS koruma hizmetleri, y\u00fck dengeleyici ve WAF kullan\u0131m\u0131 gibi ad\u0131mlar, sitenizin g\u00fcvenli\u011fini art\u0131rmada b\u00fcy\u00fck rol oynar. Ayr\u0131ca, s\u00fcrekli trafik izleme ve bir acil durum plan\u0131 haz\u0131rlayarak sald\u0131r\u0131lara kar\u015f\u0131 haz\u0131rl\u0131kl\u0131 olabilirsiniz.<\/p>\n<p>Web sitenizi g\u00fcvenli hale getirmek, sadece sald\u0131r\u0131lara kar\u015f\u0131 de\u011fil, ayn\u0131 zamanda kullan\u0131c\u0131lar\u0131n\u0131za daha iyi bir deneyim sunmak a\u00e7\u0131s\u0131ndan da \u00f6nemlidir. Bu y\u00fczden proaktif bir yakla\u015f\u0131m benimsemek ve g\u00fcvenlik \u00f6nlemlerini g\u00fc\u00e7lendirmek, sitenizi her zaman koruyacakt\u0131r.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0130nternet d\u00fcnyas\u0131nda faaliyet g\u00f6steren herkesin en b\u00fcy\u00fck endi\u015felerinden biri, web sitelerine yap\u0131lacak siber sald\u0131r\u0131lard\u0131r. Bu sald\u0131r\u0131lar aras\u0131nda en yayg\u0131n ve etkili olanlardan biri de DDoS (Distributed Denial of Service) sald\u0131r\u0131lar\u0131d\u0131r. Peki, DDoS nedir, nas\u0131l \u00e7al\u0131\u015f\u0131r ve web sitenizi bu t\u00fcr sald\u0131r\u0131lardan nas\u0131l koruyabilirsiniz? Hem teknik bilgisi olanlar hem de konuya yeni ba\u015flayanlar i\u00e7in anla\u015f\u0131l\u0131r ve [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":710,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30,1],"tags":[219,218,217,220,189,212],"class_list":["post-709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nedir","category-genel","tag-botnet-saldirisi","tag-ddos-koruma","tag-ddos-saldirisi","tag-hosting-guvenligi","tag-siber-guvenlik","tag-web-guvenligi"],"_links":{"self":[{"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/posts\/709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/comments?post=709"}],"version-history":[{"count":2,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/posts\/709\/revisions"}],"predecessor-version":[{"id":713,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/posts\/709\/revisions\/713"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/media\/710"}],"wp:attachment":[{"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/media?parent=709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/categories?post=709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/tags?post=709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}