{"id":17363,"date":"2025-12-13T09:52:32","date_gmt":"2025-12-13T06:22:32","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=17363"},"modified":"2025-12-13T09:52:32","modified_gmt":"2025-12-13T06:22:32","slug":"the-best-ways-to-prevent-ddos-attacks","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/tr\/security\/the-best-ways-to-prevent-ddos-attacks\/","title":{"rendered":"Web sitesi y\u00f6neticileri i\u00e7in DDoS sald\u0131r\u0131lar\u0131n\u0131 \u00f6nlemeye y\u00f6nelik en iyi uygulamalar"},"content":{"rendered":"<p data-start=\"791\" data-end=\"828\">\n<h2 id=\"%d8%ad%d9%85%d9%84%d9%87-ddos-%da%86%db%8c%d8%b3%d8%aa-%d9%88-%da%86%da%af%d9%88%d9%86%d9%87-%d8%b9%d9%85%d9%84-%d9%85%db%8c%da%a9%d9%86%d8%af%d8%9f\" data-start=\"791\" data-end=\"828\">DDoS sald\u0131r\u0131s\u0131 nedir ve nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/h2>\n<p data-start=\"830\" data-end=\"975\">DDoS sald\u0131r\u0131s\u0131, \u00e7ok say\u0131da vir\u00fcs bula\u015fm\u0131\u015f sistemin (Botnet) ayn\u0131 anda bir sunucuya veya web sitesine istek g\u00f6ndermesiyle ger\u00e7ekle\u015fir. Bu istekler \u015funlar\u0131 i\u00e7erebilir:<\/p>\n<ul data-start=\"977\" data-end=\"1087\">\n<li data-start=\"977\" data-end=\"1010\">\n<p data-start=\"979\" data-end=\"1010\">CPU ve RAM kaynaklar\u0131n\u0131 a\u015f\u0131r\u0131 derecede doyurmak<\/p>\n<\/li>\n<li data-start=\"1011\" data-end=\"1045\">\n<p data-start=\"1013\" data-end=\"1045\">A\u011f bant geni\u015fli\u011fini t\u00fcketir.<\/p>\n<\/li>\n<li data-start=\"1046\" data-end=\"1087\">\n<p data-start=\"1048\" data-end=\"1087\">Web sunucusunu veya veritaban\u0131n\u0131 devre d\u0131\u015f\u0131 b\u0131rak\u0131n.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1089\" data-end=\"1130\">Yayg\u0131n DDoS sald\u0131r\u0131 t\u00fcrleri \u015funlard\u0131r:<\/p>\n<ul data-start=\"1132\" data-end=\"1303\">\n<li data-start=\"1132\" data-end=\"1195\">\n<p data-start=\"1134\" data-end=\"1195\"><strong data-start=\"1134\" data-end=\"1158\">Hacim Tabanl\u0131 Sald\u0131r\u0131lar<\/strong> (Y\u00fcksek hacimli \u2013 UDP Flood, ICMP Flood)<\/p>\n<\/li>\n<li data-start=\"1196\" data-end=\"1247\">\n<p data-start=\"1198\" data-end=\"1247\"><strong data-start=\"1198\" data-end=\"1218\">Protokol Sald\u0131r\u0131lar\u0131<\/strong> (SYN Flood, \u00d6l\u00fcm\u00fcn Sesi)<\/p>\n<\/li>\n<li data-start=\"1248\" data-end=\"1303\">\n<p data-start=\"1250\" data-end=\"1303\"><strong data-start=\"1250\" data-end=\"1279\">Uygulama Katman\u0131 Sald\u0131r\u0131lar\u0131<\/strong> (HTTP Flood, Slowloris)<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"1305\" data-end=\"1308\" \/>\n<h2 id=\"%da%86%d8%b1%d8%a7-%d9%85%d8%af%db%8c%d8%b1%d8%a7%d9%86-%d8%b3%d8%a7%db%8c%d8%aa-%d8%a8%d8%a7%db%8c%d8%af-%d8%a8%d9%87-%d9%85%d9%82%d8%a7%d8%a8%d9%84%d9%87-%d8%a8%d8%a7-ddos-%d8%a7%d9%87%d9%85%db%8c\">Web sitesi y\u00f6neticileri DDoS sald\u0131r\u0131lar\u0131yla m\u00fccadeleyi neden \u00f6nemsemelidir?<\/h2>\n<p data-start=\"249\" data-end=\"529\">Teknik a\u00e7\u0131dan bak\u0131ld\u0131\u011f\u0131nda, DDoS sald\u0131r\u0131lar\u0131 yaln\u0131zca site eri\u015fiminde ge\u00e7ici bir aksama de\u011fil, ayn\u0131 zamanda kal\u0131c\u0131 hasara yol a\u00e7an sald\u0131r\u0131lard\u0131r. <strong data-start=\"324\" data-end=\"426\">Hizmet kullan\u0131labilirli\u011fine, altyap\u0131 g\u00fcvenli\u011fine ve i\u015fletmenin dijital itibar\u0131na y\u00f6nelik do\u011frudan bir tehdit.<\/strong> Modern web mimarilerinde, birka\u00e7 dakikal\u0131k bir kesinti bile ciddi teknik ve ekonomik sonu\u00e7lar do\u011furabilir.<\/p>\n<h3 id=\"%db%b1-%d8%aa%d8%a3%d8%ab%db%8c%d8%b1-%d9%85%d8%b3%d8%aa%d9%82%db%8c%d9%85-ddos-%d8%a8%d8%b1-%d8%af%d8%b3%d8%aa%d8%b1%d8%b3%d9%be%d8%b0%db%8c%d8%b1%db%8c-high-availability\" data-start=\"531\" data-end=\"590\">1. DDoS sald\u0131r\u0131lar\u0131n\u0131n eri\u015filebilirli\u011fe do\u011frudan etkisi (Y\u00fcksek Eri\u015filebilirlik)<\/h3>\n<p data-start=\"592\" data-end=\"687\">\u015eantiye y\u00f6netimindeki en \u00f6nemli ilke, <strong data-start=\"621\" data-end=\"648\">Kesintisiz hizmet kullan\u0131labilirli\u011fi<\/strong> DDoS sald\u0131r\u0131lar\u0131, kaynak yo\u011funlu\u011funu art\u0131rmaya y\u00f6nelik sald\u0131r\u0131lard\u0131r; \u00f6rne\u011fin:<\/p>\n<ul data-start=\"688\" data-end=\"772\">\n<li data-start=\"688\" data-end=\"707\">\n<p data-start=\"690\" data-end=\"707\">A\u011f bant geni\u015fli\u011fi<\/p>\n<\/li>\n<li data-start=\"708\" data-end=\"729\">\n<p data-start=\"710\" data-end=\"729\">E\u015f zamanl\u0131 ba\u011flant\u0131lar<\/p>\n<\/li>\n<li data-start=\"730\" data-end=\"751\">\n<p data-start=\"732\" data-end=\"751\">Web sunucusu i\u015f par\u00e7ac\u0131klar\u0131<\/p>\n<\/li>\n<li data-start=\"752\" data-end=\"772\">\n<p data-start=\"754\" data-end=\"772\">Veritaban\u0131 Kuyruklar\u0131<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"774\" data-end=\"937\">Bu durum, ger\u00e7ek kullan\u0131c\u0131lar\u0131n sunucudan yan\u0131t almas\u0131n\u0131 engeller. Bu da e-ticaret veya hizmet odakl\u0131 sitelerde do\u011frudan \u00e7\u00f6kmeye yol a\u00e7abilir. <strong data-start=\"899\" data-end=\"929\">Hizmet Kesintisi<\/strong> Olacak.<\/p>\n<h3 id=\"%db%b2-%d8%a7%d9%81%d8%aa-%d8%b4%d8%af%db%8c%d8%af-%d8%b3%d8%a6%d9%88-%d9%88-%d8%a7%d8%b9%d8%aa%d8%a8%d8%a7%d8%b1-%d8%af%d8%a7%d9%85%d9%86%d9%87-%d8%af%d8%b1-%d9%85%d9%88%d8%aa%d9%88%d8%b1%d9%87\" data-start=\"944\" data-end=\"996\">2. Arama motorlar\u0131nda SEO ve alan ad\u0131 otoritesinde keskin d\u00fc\u015f\u00fc\u015f<\/h3>\n<p data-start=\"998\" data-end=\"1149\">Google ve di\u011fer arama motorlar\u0131 <strong data-start=\"1025\" data-end=\"1043\">S\u0131k s\u0131k ya\u015fanan ar\u0131zalar<\/strong> Bunlar, altyap\u0131 kalitesinin d\u00fc\u015f\u00fck oldu\u011funun bir i\u015fareti olarak kabul edilir. S\u0131k DDoS sald\u0131r\u0131lar\u0131 a\u015fa\u011f\u0131dakilere neden olabilir:<\/p>\n<ul data-start=\"1151\" data-end=\"1267\">\n<li data-start=\"1151\" data-end=\"1181\">\n<p data-start=\"1153\" data-end=\"1181\">Tarama i\u015fleminde 5xx hatalar\u0131nda art\u0131\u015f<\/p>\n<\/li>\n<li data-start=\"1182\" data-end=\"1203\">\n<p data-start=\"1184\" data-end=\"1203\">Tarama B\u00fct\u00e7esini Azalt\u0131n<\/p>\n<\/li>\n<li data-start=\"1204\" data-end=\"1228\">\n<p data-start=\"1206\" data-end=\"1228\">\u00d6nemli sayfalar\u0131n s\u0131ralamas\u0131nda d\u00fc\u015f\u00fc\u015f<\/p>\n<\/li>\n<li data-start=\"1229\" data-end=\"1267\">\n<p data-start=\"1231\" data-end=\"1267\">S\u0131ralama algoritmalar\u0131na olan g\u00fcvenin azalmas\u0131<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1269\" data-end=\"1351\">Organik trafik sayesinde b\u00fcy\u00fcyen siteler i\u00e7in bu zarar \u00e7ok maliyetlidir.<\/p>\n<h3 id=\"%db%b3-%d8%a7%d9%81%d8%b2%d8%a7%db%8c%d8%b4-%d9%87%d8%b2%db%8c%d9%86%d9%87%d9%87%d8%a7%db%8c-%d8%b2%db%8c%d8%b1%d8%b3%d8%a7%d8%ae%d8%aa-%d9%88-%d9%85%d8%b5%d8%b1%d9%81-%d9%85%d9%86%d8%a7\" data-start=\"1358\" data-end=\"1407\">3. Artan altyap\u0131 maliyetleri ve sunucu kaynak t\u00fcketimi<\/h3>\n<p data-start=\"1409\" data-end=\"1427\">DDoS sald\u0131r\u0131s\u0131 s\u0131ras\u0131nda:<\/p>\n<ul data-start=\"1428\" data-end=\"1556\">\n<li data-start=\"1428\" data-end=\"1468\">\n<p data-start=\"1430\" data-end=\"1468\">CPU ve RAM kullan\u0131m\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131yor.<\/p>\n<\/li>\n<li data-start=\"1469\" data-end=\"1506\">\n<p data-start=\"1471\" data-end=\"1506\">T\u00fcketilen bant geni\u015fli\u011fi katlanarak artar.<\/p>\n<\/li>\n<li data-start=\"1507\" data-end=\"1556\">\n<p data-start=\"1509\" data-end=\"1556\">Bulut sunucular\u0131n\u0131n ve giden trafi\u011fin maliyeti art\u0131yor.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1558\" data-end=\"1669\">Baz\u0131 durumlarda, site y\u00f6neticileri, bir koruma sistemi kurmad\u0131klar\u0131 takdirde, fark\u0131nda olmadan k\u00f6t\u00fc ama\u00e7l\u0131 trafik i\u00e7in y\u00fcksek maliyetlere katlanmak zorunda kal\u0131rlar.<\/p>\n<h3 id=\"%db%b4-%d8%a7%d9%81%d8%b2%d8%a7%db%8c%d8%b4-%d8%a7%d8%ad%d8%aa%d9%85%d8%a7%d9%84-%d9%86%d9%81%d9%88%d8%b0-%d9%87%d9%85%d8%b2%d9%85%d8%a7%d9%86-%d8%a8%d8%a7-%d8%ad%d9%85%d9%84%d9%87-smokescr\" data-start=\"1676\" data-end=\"1738\">4. Sald\u0131r\u0131 ile e\u015f zamanl\u0131 n\u00fcfuz etme olas\u0131l\u0131\u011f\u0131n\u0131 art\u0131rma (Duman Perdesi Sald\u0131r\u0131s\u0131)<\/h3>\n<p data-start=\"1740\" data-end=\"1886\">Geli\u015fmi\u015f sald\u0131r\u0131larda DDoS bazen \u015fu \u015fekilde adland\u0131r\u0131l\u0131r: <strong data-start=\"1777\" data-end=\"1802\">Siber sald\u0131r\u0131lara kar\u015f\u0131 koruma<\/strong> Ekibin odak noktas\u0131 sitenin eri\u015filebilirli\u011fini sa\u011flamak oldu\u011funda, sald\u0131rgan \u015funlar\u0131 yapabilir:<\/p>\n<ul data-start=\"1888\" data-end=\"1996\">\n<li data-start=\"1888\" data-end=\"1923\">\n<p data-start=\"1890\" data-end=\"1923\">G\u00fcvenlik a\u00e7\u0131klar\u0131ndan yararlanmaya \u00e7al\u0131\u015fmak<\/p>\n<\/li>\n<li data-start=\"1924\" data-end=\"1945\">\n<p data-start=\"1926\" data-end=\"1945\">Kaba Kuvvet Sald\u0131r\u0131lar\u0131<\/p>\n<\/li>\n<li data-start=\"1946\" data-end=\"1963\">\n<p data-start=\"1948\" data-end=\"1963\">K\u00f6t\u00fc ama\u00e7l\u0131 kod enjeksiyonu<\/p>\n<\/li>\n<li data-start=\"1964\" data-end=\"1996\">\n<p data-start=\"1966\" data-end=\"1996\">Y\u00f6netici paneline yetkisiz eri\u015fim.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1998\" data-end=\"2078\">Ayn\u0131 anda ger\u00e7ekle\u015febilir. Bu nedenle, DDoS sald\u0131r\u0131lar\u0131 daha b\u00fcy\u00fck g\u00fcvenlik tehditlerinin ba\u015flat\u0131c\u0131s\u0131 olabilir.<\/p>\n<h3 id=\"%db%b5-%da%a9%d8%a7%d9%87%d8%b4-%d8%a7%d8%b9%d8%aa%d9%85%d8%a7%d8%af-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%a7%d9%86-%d9%88-%d8%a2%d8%b3%db%8c%d8%a8-%d8%a8%d9%87-%d8%a8%d8%b1%d9%86%d8%af\" data-start=\"2085\" data-end=\"2126\">5. Kullan\u0131c\u0131 g\u00fcveninin azalmas\u0131 ve marka imaj\u0131n\u0131n zedelenmesi<\/h3>\n<p data-start=\"2128\" data-end=\"2153\">Kullan\u0131c\u0131 deneyimi (UX) perspektifinden:<\/p>\n<ul data-start=\"2154\" data-end=\"2268\">\n<li data-start=\"2154\" data-end=\"2192\">\n<p data-start=\"2156\" data-end=\"2192\">Yava\u015f veya \u00e7al\u0131\u015fmayan site = kullan\u0131c\u0131 g\u00fcvensizli\u011fi<\/p>\n<\/li>\n<li data-start=\"2193\" data-end=\"2233\">\n<p data-start=\"2195\" data-end=\"2233\">S\u0131k s\u0131k devams\u0131zl\u0131k = kal\u0131c\u0131 kullan\u0131c\u0131 terk etme<\/p>\n<\/li>\n<li data-start=\"2234\" data-end=\"2268\">\n<p data-start=\"2236\" data-end=\"2268\">Hizmet kesintisi = marka hasar\u0131<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2270\" data-end=\"2367\">\u00c7evrimi\u00e7i i\u015fletmeler i\u00e7in, k\u0131sa s\u00fcreli bir DDoS sald\u0131r\u0131s\u0131 bile sad\u0131k m\u00fc\u015fterilerin kayb\u0131na neden olabilir.<\/p>\n<h3 id=\"%db%b6-%d8%aa%d9%87%d8%af%db%8c%d8%af-%d8%ac%d8%af%db%8c-%d8%a8%d8%b1%d8%a7%db%8c-%d8%b3%d8%a7%db%8c%d8%aa%d9%87%d8%a7%db%8c-%d9%85%d8%a7%d9%84%db%8c%d8%8c-%da%af%db%8c%d9%85-%d9%88-%d8%b3\" data-start=\"2374\" data-end=\"2433\">6. Finans siteleri, oyunlar ve \u00e7evrimi\u00e7i hizmetler i\u00e7in ciddi tehdit<\/h3>\n<p data-start=\"2435\" data-end=\"2514\">Ger\u00e7ek zamanl\u0131 ba\u011flant\u0131ya do\u011frudan ba\u011f\u0131ml\u0131 olan siteler en \u00e7ok etkilenenlerdir:<\/p>\n<ul data-start=\"2515\" data-end=\"2599\">\n<li data-start=\"2515\" data-end=\"2539\">\n<p data-start=\"2517\" data-end=\"2539\">\u00c7evrimi\u00e7i ma\u011fazalar<\/p>\n<\/li>\n<li data-start=\"2540\" data-end=\"2554\">\n<p data-start=\"2542\" data-end=\"2554\">Oyun sunucular\u0131<\/p>\n<\/li>\n<li data-start=\"2555\" data-end=\"2575\">\n<p data-start=\"2557\" data-end=\"2575\">\u00d6deme sistemleri<\/p>\n<\/li>\n<li data-start=\"2576\" data-end=\"2599\">\n<p data-start=\"2578\" data-end=\"2599\">API tabanl\u0131 platformlar<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2601\" data-end=\"2685\">Bu hizmetlerde birka\u00e7 saniyelik gecikme veya kesinti \u00e7ok \u015fey ifade edebilir. <strong data-start=\"2660\" data-end=\"2679\">Tamamen hizmet ba\u015far\u0131s\u0131zl\u0131\u011f\u0131<\/strong> Olmak.<\/p>\n<h3 id=\"%db%b7-%d8%a7%d9%84%d8%b2%d8%a7%d9%85%d8%a7%d8%aa-%d9%82%d8%a7%d9%86%d9%88%d9%86%db%8c-%d9%88-sla-%d8%af%d8%b1-%d8%a8%d8%b1%d8%ae%db%8c-%da%a9%d8%b3%d8%a8%d9%88%da%a9%d8%a7%d8%b1%d9%87%d8%a7\" data-start=\"2692\" data-end=\"2738\">7. Baz\u0131 i\u015fletmelerde yasal gereklilikler ve hizmet seviyesi anla\u015fmalar\u0131 (SLA&#039;lar)<\/h3>\n<p data-start=\"2740\" data-end=\"2875\">Bir\u00e7ok projede, site y\u00f6neticisinin belirli bir kullan\u0131labilirlik seviyesini (SLA) garanti etmesi gerekmektedir. Uygun savunma \u00f6nlemleri al\u0131nmad\u0131\u011f\u0131 takdirde DDoS sald\u0131r\u0131lar\u0131 \u015funlara neden olabilir:<\/p>\n<ul data-start=\"2876\" data-end=\"2932\">\n<li data-start=\"2876\" data-end=\"2887\">\n<p data-start=\"2878\" data-end=\"2887\">SLA ihlali<\/p>\n<\/li>\n<li data-start=\"2888\" data-end=\"2906\">\n<p data-start=\"2890\" data-end=\"2906\">Mali cezalar<\/p>\n<\/li>\n<li data-start=\"2907\" data-end=\"2932\">\n<p data-start=\"2909\" data-end=\"2932\">S\u00f6zle\u015fmelerin kayb\u0131<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2934\" data-end=\"2938\">Olmak.<\/p>\n<hr data-start=\"1592\" data-end=\"1595\" \/>\n<h2 id=\"%da%86%d9%87-%d8%a8%d8%a7%db%8c%d8%af-%da%a9%d8%b1%d8%af\" data-start=\"1597\" data-end=\"1639\"><strong>Ne yapal\u0131m:\u00a0<\/strong><\/h2>\n<h3 id=\"%db%b1-%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-cdn-%d9%88-%d8%b3%d8%b1%d9%88%db%8c%d8%b3%d9%87%d8%a7%db%8c-anti-ddos\" data-start=\"1597\" data-end=\"1639\">1. CDN ve DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 koruma hizmetleri kullan\u0131n.<\/h3>\n<p data-start=\"1641\" data-end=\"1709\">DDoS sald\u0131r\u0131lar\u0131yla m\u00fccadele etmenin en etkili yollar\u0131ndan biri de kullanmakt\u0131r. <strong data-start=\"1697\" data-end=\"1704\">CDN<\/strong> \u00d6yledir.<\/p>\n<h4 id=\"%d9%85%d8%b2%d8%a7%db%8c%d8%a7%db%8c-cdn-%d8%af%d8%b1-%d8%a8%d8%b1%d8%a7%d8%a8%d8%b1-ddos\" data-start=\"1711\" data-end=\"1740\">CDN&#039;nin DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 faydalar\u0131:<\/h4>\n<ul data-start=\"1741\" data-end=\"1866\">\n<li data-start=\"1741\" data-end=\"1772\">\n<p data-start=\"1743\" data-end=\"1772\">Trafi\u011fi birden fazla sunucu aras\u0131nda da\u011f\u0131tmak<\/p>\n<\/li>\n<li data-start=\"1773\" data-end=\"1826\">\n<p data-start=\"1775\" data-end=\"1826\">K\u00f6t\u00fc ama\u00e7l\u0131 trafi\u011fi ana sunucuya ula\u015fmadan \u00f6nce yakalay\u0131n ve filtreleyin.<\/p>\n<\/li>\n<li data-start=\"1827\" data-end=\"1866\">\n<p data-start=\"1829\" data-end=\"1866\">Katman 3, 4 ve 7 sald\u0131r\u0131lar\u0131na kar\u015f\u0131 koruma<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1868\" data-end=\"1942\">Ak\u0131ll\u0131 koruma katmanlar\u0131na sahip CDN&#039;ler gibi hizmetler, ilk savunma hatt\u0131 olarak kabul edilir.<\/p>\n<hr data-start=\"1944\" data-end=\"1947\" \/>\n<h3 id=\"%db%b2-%d9%81%d8%b9%d8%a7%d9%84%d8%b3%d8%a7%d8%b2%db%8c-web-application-firewall-waf\" data-start=\"1949\" data-end=\"1995\">2. Web Uygulama G\u00fcvenlik Duvar\u0131n\u0131 (WAF) etkinle\u015ftirin.<\/h3>\n<p data-start=\"1997\" data-end=\"2076\"><strong data-start=\"1997\" data-end=\"2004\">WAF<\/strong> Siteye gelen istekleri kontrol eder ve \u015f\u00fcpheli istekleri engeller.<\/p>\n<h4 id=\"%d9%82%d8%a7%d8%a8%d9%84%db%8c%d8%aa%d9%87%d8%a7%db%8c-%d9%85%d9%87%d9%85-waf\" data-start=\"2078\" data-end=\"2101\">\u00d6nemli WAF yetenekleri:<\/h4>\n<ul data-start=\"2102\" data-end=\"2217\">\n<li data-start=\"2102\" data-end=\"2138\">\n<p data-start=\"2104\" data-end=\"2138\">HTTP Ta\u015fk\u0131n Sald\u0131r\u0131s\u0131 Kal\u0131plar\u0131n\u0131 Belirleme<\/p>\n<\/li>\n<li data-start=\"2139\" data-end=\"2163\">\n<p data-start=\"2141\" data-end=\"2163\">Zararl\u0131 IP adreslerini engelleme<\/p>\n<\/li>\n<li data-start=\"2164\" data-end=\"2192\">\n<p data-start=\"2166\" data-end=\"2192\">Formlar\u0131n ve API&#039;lerin korunmas\u0131<\/p>\n<\/li>\n<li data-start=\"2193\" data-end=\"2217\">\n<p data-start=\"2195\" data-end=\"2217\">Web sunucusunun y\u00fck\u00fcn\u00fc azaltmak<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2219\" data-end=\"2287\">WordPress, e-ticaret ve y\u00fcksek trafikli siteler i\u00e7in WAF (Web Uygulama G\u00fcvenlik Duvar\u0131) bir g\u00fcvenlik gereksinimidir.<\/p>\n<hr data-start=\"2289\" data-end=\"2292\" \/>\n<h3 id=\"%db%b3-rate-limiting-%d9%88-%d9%85%d8%ad%d8%af%d9%88%d8%af%d8%b3%d8%a7%d8%b2%db%8c-%d8%af%d8%b1%d8%ae%d9%88%d8%a7%d8%b3%d8%aa%d9%87%d8%a7\" data-start=\"2294\" data-end=\"2336\">3. H\u0131z S\u0131n\u0131rlama ve \u0130stek K\u0131s\u0131tlamas\u0131<\/h3>\n<p data-start=\"2338\" data-end=\"2419\">Etkinle\u015ftirme yoluyla <strong data-start=\"2351\" data-end=\"2365\">H\u0131z S\u0131n\u0131r\u0131<\/strong> Bir IP adresinden gelen istek say\u0131s\u0131n\u0131 s\u0131n\u0131rlamak m\u00fcmk\u00fcnd\u00fcr.<\/p>\n<p data-start=\"2421\" data-end=\"2436\">\u00d6rnek uygulamalar:<\/p>\n<ul data-start=\"2437\" data-end=\"2553\">\n<li data-start=\"2437\" data-end=\"2469\">\n<p data-start=\"2439\" data-end=\"2469\">Giri\u015f isteklerini s\u0131n\u0131rland\u0131r\u0131n<\/p>\n<\/li>\n<li data-start=\"2470\" data-end=\"2512\">\n<p data-start=\"2472\" data-end=\"2512\">Ard\u0131\u015f\u0131k istek g\u00f6nderimini engelleyin.<\/p>\n<\/li>\n<li data-start=\"2513\" data-end=\"2553\">\n<p data-start=\"2515\" data-end=\"2553\">Botlar ve Otomatik Komut Dosyalar\u0131yla Ba\u015fa \u00c7\u0131kma<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2555\" data-end=\"2577\">Bu \u00f6zellik genellikle \u015fu yerlerde bulunur:<\/p>\n<ul data-start=\"2578\" data-end=\"2651\">\n<li data-start=\"2578\" data-end=\"2592\">\n<p data-start=\"2580\" data-end=\"2592\">G\u00fcvenlik duvarlar\u0131<\/p>\n<\/li>\n<li data-start=\"2593\" data-end=\"2600\">\n<p data-start=\"2595\" data-end=\"2600\">CDN<\/p>\n<\/li>\n<li data-start=\"2601\" data-end=\"2651\">\n<p data-start=\"2603\" data-end=\"2651\">Web sunucular\u0131 (Nginx, Apache)<br data-start=\"2628\" data-end=\"2631\" \/>Uygulanabilir bir y\u00f6ntemdir.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2653\" data-end=\"2656\" \/>\n<h3 id=\"%db%b4-%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-%d9%81%d8%a7%db%8c%d8%b1%d9%88%d8%a7%d9%84-%d8%b4%d8%a8%da%a9%d9%87-%d9%88-%d8%b3%d8%b1%d9%88%d8%b1\" data-start=\"2658\" data-end=\"2694\">4. A\u011f ve sunucu g\u00fcvenlik duvar\u0131 kullan\u0131m\u0131<\/h3>\n<p data-start=\"2696\" data-end=\"2743\">G\u00fcvenlik duvar\u0131, en temel savunma ara\u00e7lar\u0131ndan biridir.<\/p>\n<h4 id=\"%d8%aa%d9%86%d8%b8%db%8c%d9%85%d8%a7%d8%aa-%d9%85%d9%87%d9%85-%d9%81%d8%a7%db%8c%d8%b1%d9%88%d8%a7%d9%84\" data-start=\"2745\" data-end=\"2769\">\u00d6nemli g\u00fcvenlik duvar\u0131 ayarlar\u0131:<\/h4>\n<ul data-start=\"2770\" data-end=\"2909\">\n<li data-start=\"2770\" data-end=\"2801\">\n<p data-start=\"2772\" data-end=\"2801\">Gereksiz portlar\u0131n engellenmesi<\/p>\n<\/li>\n<li data-start=\"2802\" data-end=\"2826\">\n<p data-start=\"2804\" data-end=\"2826\">ICMP ve UDP K\u0131s\u0131tlamalar\u0131<\/p>\n<\/li>\n<li data-start=\"2827\" data-end=\"2863\">\n<p data-start=\"2829\" data-end=\"2863\">\u015e\u00fcpheli \u00fclkeleri veya ASN&#039;leri engelleme<\/p>\n<\/li>\n<li data-start=\"2864\" data-end=\"2909\">\n<p data-start=\"2866\" data-end=\"2909\">Fail2Ban kullanarak IP adreslerini otomatik olarak engelleme<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2911\" data-end=\"2914\" \/>\n<h3 id=\"%db%b5-%d8%a8%d9%87%db%8c%d9%86%d9%87%d8%b3%d8%a7%d8%b2%db%8c-%d9%88%d8%a8%d8%b3%d8%b1%d9%88%d8%b1-%d8%a8%d8%b1%d8%a7%db%8c-%d8%aa%d8%ad%d9%85%d9%84-%d8%aa%d8%b1%d8%a7%d9%81%db%8c\" data-start=\"2916\" data-end=\"2962\">5. Y\u00fcksek trafi\u011fi kald\u0131rabilmesi i\u00e7in web sunucusunu optimize edin.<\/h3>\n<p data-start=\"2964\" data-end=\"3024\">Do\u011fru web sunucusu yap\u0131land\u0131rmas\u0131, DDoS sald\u0131r\u0131lar\u0131na kar\u015f\u0131 diren\u00e7te \u00f6nemli bir rol oynar.<\/p>\n<h4 id=\"%d8%a7%d9%82%d8%af%d8%a7%d9%85%d8%a7%d8%aa-%d9%85%d9%87%d9%85\" data-start=\"3026\" data-end=\"3042\">\u00d6nemli eylemler:<\/h4>\n<ul data-start=\"3043\" data-end=\"3189\">\n<li data-start=\"3043\" data-end=\"3069\">\n<p data-start=\"3045\" data-end=\"3069\">Ba\u011flant\u0131 S\u0131n\u0131r\u0131n\u0131 Ayarlamak<\/p>\n<\/li>\n<li data-start=\"3070\" data-end=\"3112\">\n<p data-start=\"3072\" data-end=\"3112\">Kontroll\u00fc Canl\u0131 Tutma Aktivasyonu<\/p>\n<\/li>\n<li data-start=\"3113\" data-end=\"3156\">\n<p data-start=\"3115\" data-end=\"3156\">Nginx&#039;i Ters Proxy Olarak Kullanmak<\/p>\n<\/li>\n<li data-start=\"3157\" data-end=\"3189\">\n<p data-start=\"3159\" data-end=\"3189\">PHP-FPM ve veritaban\u0131 optimizasyonu<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3191\" data-end=\"3194\" \/>\n<h3 id=\"%db%b6-%d9%85%d8%a7%d9%86%db%8c%d8%aa%d9%88%d8%b1%db%8c%d9%86%da%af-%d9%85%d8%af%d8%a7%d9%88%d9%85-%d8%aa%d8%b1%d8%a7%d9%81%db%8c%da%a9-%d9%88-%d9%84%d8%a7%da%af%d9%87%d8%a7\" data-start=\"3196\" data-end=\"3234\">6. Trafi\u011fin ve kay\u0131tlar\u0131n s\u00fcrekli izlenmesi<\/h3>\n<p data-start=\"3236\" data-end=\"3275\">Sald\u0131r\u0131n\u0131n h\u0131zl\u0131 bir \u015fekilde tespit edilmesi, hasar\u0131n en aza indirilmesi i\u00e7in \u00e7ok \u00f6nemlidir.<\/p>\n<p data-start=\"3277\" data-end=\"3307\">\u0130zleme ara\u00e7lar\u0131 \u015funlar\u0131 yapabilir:<\/p>\n<ul data-start=\"3308\" data-end=\"3410\">\n<li data-start=\"3308\" data-end=\"3347\">\n<p data-start=\"3310\" data-end=\"3347\">Trafikteki ani art\u0131\u015flar\u0131 tespit et<\/p>\n<\/li>\n<li data-start=\"3348\" data-end=\"3379\">\n<p data-start=\"3350\" data-end=\"3379\">\u015e\u00fcpheli IP adreslerini belirleyin<\/p>\n<\/li>\n<li data-start=\"3380\" data-end=\"3410\">\n<p data-start=\"3382\" data-end=\"3410\">Ger\u00e7ek zamanl\u0131 uyar\u0131lar g\u00f6nder<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3412\" data-end=\"3415\" \/>\n<h3 id=\"%db%b7-%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-%d8%b3%d8%b1%d9%88%d8%b1-%d9%85%d9%82%db%8c%d8%a7%d8%b3%d9%be%d8%b0%db%8c%d8%b1-scalable-infrastructure\">7. \u00d6l\u00e7eklenebilir bir sunucu kullan\u0131n (\u00d6l\u00e7eklenebilir Altyap\u0131)<\/h3>\n<p data-start=\"3477\" data-end=\"3545\">Yo\u011fun trafi\u011fe sahip sitelerde, \u00f6l\u00e7eklenebilir altyap\u0131 kullan\u0131m\u0131 \u00e7ok \u00f6nemlidir.<\/p>\n<p data-start=\"3547\" data-end=\"3556\">\u00c7\u00f6z\u00fcmler:<\/p>\n<ul data-start=\"3557\" data-end=\"3636\">\n<li data-start=\"3557\" data-end=\"3574\">\n<p data-start=\"3559\" data-end=\"3574\">Y\u00fck Dengeleyici<\/p>\n<\/li>\n<li data-start=\"3575\" data-end=\"3591\">\n<p data-start=\"3577\" data-end=\"3591\">Bulut sunucular\u0131<\/p>\n<\/li>\n<li data-start=\"3592\" data-end=\"3608\">\n<p data-start=\"3594\" data-end=\"3608\">Otomatik \u00d6l\u00e7eklendirme<\/p>\n<\/li>\n<li data-start=\"3609\" data-end=\"3636\">\n<p data-start=\"3611\" data-end=\"3636\">Web sunucusu ve veritaban\u0131n\u0131n ayr\u0131lmas\u0131<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3638\" data-end=\"3704\">Bu y\u00f6ntemler, bir sald\u0131r\u0131 durumunda bile sitenin eri\u015filebilir kalmas\u0131n\u0131 sa\u011flar.<\/p>\n<hr data-start=\"3706\" data-end=\"3709\" \/>\n<h2 id=\"%d8%ac%d9%85%d8%b9%d8%a8%d9%86%d8%af%db%8c\" data-start=\"3711\" data-end=\"3722\">\u00c7\u00f6z\u00fcm<\/h2>\n<p data-start=\"3724\" data-end=\"3898\">DDoS sald\u0131r\u0131lar\u0131 herhangi bir web sitesi i\u00e7in ciddi bir tehdittir, ancak <strong data-start=\"3779\" data-end=\"3849\">Do\u011fru g\u00fcvenlik ara\u00e7lar\u0131 kombinasyonu, uygun sunucu yap\u0131land\u0131rmas\u0131 ve s\u00fcrekli izleme<\/strong> Bu sald\u0131r\u0131lar\u0131n etkisi b\u00fcy\u00fck \u00f6l\u00e7\u00fcde azalt\u0131labilir.<\/p>\n<p data-start=\"3900\" data-end=\"3954\">Site y\u00f6neticileri i\u00e7in en iyi DDoS kar\u015f\u0131 \u00f6nlem stratejisi \u015funlar\u0131 i\u00e7erir:<\/p>\n<ul data-start=\"3955\" data-end=\"4041\">\n<li data-start=\"3955\" data-end=\"3968\">\n<p data-start=\"3957\" data-end=\"3968\">CDN + WAF<\/p>\n<\/li>\n<li data-start=\"3969\" data-end=\"3984\">\n<p data-start=\"3971\" data-end=\"3984\">G\u00fc\u00e7l\u00fc g\u00fcvenlik duvar\u0131<\/p>\n<\/li>\n<li data-start=\"3985\" data-end=\"4009\">\n<p data-start=\"3987\" data-end=\"4009\">\u0130stekleri k\u0131s\u0131tlamak<\/p>\n<\/li>\n<li data-start=\"4010\" data-end=\"4041\">\n<p data-start=\"4012\" data-end=\"4041\">S\u00fcrd\u00fcr\u00fclebilir ve \u00f6l\u00e7eklenebilir altyap\u0131<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4043\" data-end=\"4109\">Bu y\u00f6ntemlerin e\u015f zamanl\u0131 olarak kullan\u0131lmas\u0131 en y\u00fcksek d\u00fczeyde koruma sa\u011flar.<\/p>","protected":false},"excerpt":{"rendered":"DDoS (Da\u011f\u0131t\u0131lm\u0131\u015f Hizmet Engelleme) sald\u0131r\u0131lar\u0131, web siteleri ve sunucular i\u00e7in en yayg\u0131n ve y\u0131k\u0131c\u0131 g\u00fcvenlik tehditlerinden biridir. Bu sald\u0131r\u0131lar, \u00e7ok say\u0131da k\u00f6t\u00fc ama\u00e7l\u0131 istek g\u00f6ndererek sunucu kaynaklar\u0131n\u0131 a\u015f\u0131r\u0131 y\u00fckler ve ciddi yava\u015flamalara, site kesintilerine ve hatta gelir ve marka itibar kayb\u0131na neden olur. Site y\u00f6neticileri ve sunucu y\u00f6neticileri i\u00e7in DDoS ile ba\u015fa \u00e7\u0131kman\u0131n temel y\u00f6ntemlerine a\u015fina olmak bir zorunluluktur, bir se\u00e7enek de\u011fil. Bu makalede, DDoS sald\u0131r\u0131lar\u0131n\u0131n etkisini \u00f6nlemek ve azaltmak i\u00e7in en etkili teknik ve pratik \u00e7\u00f6z\u00fcmleri uzman bir \u015fekilde inceleyece\u011fiz.","protected":false},"author":1,"featured_media":17365,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"DDos","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"DDoS\u062a\u0647\u062f\u06cc\u062f\u06cc \u0628\u0631\u0627\u06cc \u0648\u0628\u200c\u0633\u0627\u06cc\u062a\u200c\u0647\u0627\u061f\u062a\u0623\u062b\u06cc\u0631 \u0627\u06cc\u0646 \u062d\u0645\u0644\u0627\u062a \u0628\u0631 \u0627\u0645\u0646\u06cc\u062a\u060c \u0633\u0626\u0648\u060c \u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u0633\u0631\u0648\u0631 \u0648 \u0627\u0639\u062a\u0628\u0627\u0631 \u06a9\u0633\u0628\u200c\u0648\u06a9\u0627\u0631 \u0686\u06cc\u0633\u062a \u0648 \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632 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