{"id":3748,"date":"2023-10-23T23:22:04","date_gmt":"2023-10-23T20:22:04","guid":{"rendered":"https:\/\/uzmanposta.com\/blog\/?p=3748"},"modified":"2023-10-23T23:30:04","modified_gmt":"2023-10-23T20:30:04","slug":"ips","status":"publish","type":"post","link":"https:\/\/uzmanposta.com\/blog\/ips\/","title":{"rendered":"IPS (Sald\u0131r\u0131 \u00d6nleme Sistemi) Nedir? IPS vs. IDS Aras\u0131ndaki Farklar"},"content":{"rendered":"\n<p><strong>Intrusion Prevention System (IPS)<\/strong> yani <strong>izinsiz giri\u015f \u00f6nleme sistemi<\/strong>, a\u011f trafi\u011fini izleyen ve k\u00f6t\u00fc ama\u00e7l\u0131 i\u00e7eri\u011fi engelleyen bir a\u011f g\u00fcvenli\u011fi teknolojisidir. Bir IPS, fidye yaz\u0131l\u0131m\u0131, yanal hareket, g\u00fcvenlik a\u00e7\u0131\u011f\u0131 istismar\u0131 ve di\u011fer sald\u0131r\u0131lar gibi \u00e7ok \u00e7e\u015fitli siber tehditlere kar\u015f\u0131 koruma sa\u011flar. Ancak IPS, kurumsal g\u00fcvenlik mimarisinin yaln\u0131zca bir bile\u015fenidir. Bu y\u00fczden do\u011fru IPS&#8217;yi se\u00e7mek, kurumsal siber g\u00fcvenlik i\u00e7in hayati \u00f6nem ta\u015f\u0131r.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"900\" height=\"400\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-nedir.webp\" alt=\"\" class=\"wp-image-3750\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-nedir.webp 900w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-nedir-300x133.webp 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-nedir-768x341.webp 768w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-nedir-750x333.webp 750w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption>Kaynak: geekflare<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Sald\u0131r\u0131 \u00d6nleme Sisteminin \u00d6nemi<\/h2>\n\n\n\n<p><strong>Bilinen tehditleri tespit etme ve \u00f6nleme:<\/strong> \u0130mza tabanl\u0131 alg\u0131lama kullanarak, bir IPS vir\u00fcsler, solucanlar veya belirli sald\u0131r\u0131 t\u00fcrleri gibi bilinen k\u00f6t\u00fc ama\u00e7l\u0131 etkinlikleri belirleyebilir ve engelleyebilir.<\/p>\n\n\n\n<p><strong>Bilinmeyen tehditlere kar\u015f\u0131 koruma: <\/strong>Davran\u0131\u015f tabanl\u0131 IPS sistemleri anormal a\u011f davran\u0131\u015flar\u0131n\u0131 tespit edebilir ve bilinen imzalara sahip olmayan daha \u00f6nce g\u00f6r\u00fclmemi\u015f veya s\u0131f\u0131r g\u00fcn sald\u0131r\u0131lar\u0131n\u0131 belirleyebilir. Bu, ortaya \u00e7\u0131kan tehditlere kar\u015f\u0131 korunmaya yard\u0131mc\u0131 olur.<\/p>\n\n\n\n<p><strong>Ger\u00e7ek zamanl\u0131 izleme sa\u011flar: <\/strong>Bir IPS, a\u011f trafi\u011fini s\u00fcrekli olarak izleyerek olas\u0131 g\u00fcvenlik olaylar\u0131na ger\u00e7ek zamanl\u0131 g\u00f6r\u00fcn\u00fcrl\u00fck sa\u011flar. Bu, tehditlerin h\u0131zl\u0131 bir \u015fekilde tan\u0131mlanmas\u0131na ve bunlara yan\u0131t verilmesine olanak tan\u0131yarak hasar veya veri ihlali riskini en aza indirir.<\/p>\n\n\n\n<p><strong>Yanl\u0131\u015f pozitifleri azaltma:<\/strong> IPS teknolojileri, iyi huylu faaliyetlerin yanl\u0131\u015fl\u0131kla tehdit olarak i\u015faretlendi\u011fi durumlar\u0131 ifade eden yanl\u0131\u015f pozitifleri azaltmak i\u00e7in geli\u015fmi\u015ftir. Yanl\u0131\u015f pozitiflerin azalt\u0131lmas\u0131, g\u00fcvenlik \u00e7abalar\u0131n\u0131n ger\u00e7ek risklere odaklanmas\u0131na yard\u0131mc\u0131 olur ve me\u015fru a\u011f trafi\u011findeki gereksiz kesintileri azalt\u0131r.<\/p>\n\n\n\n<p>Sald\u0131r\u0131 \u00d6nleme Sistemi, kapsaml\u0131 bir a\u011f g\u00fcvenli\u011fi stratejisi i\u00e7in gereklidir ve i\u015fletmelerin a\u011flar\u0131n\u0131, sistemlerini ve hassas verilerini yetkisiz eri\u015fimden ve k\u00f6t\u00fc niyetli faaliyetlerden korumalar\u0131na yard\u0131mc\u0131 olur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Intrusion Prevention System Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n\n\n\n<p>IPS, t\u00fcm trafi\u011fi inceler, bir ba\u011flant\u0131daki potansiyel k\u00f6t\u00fc ama\u00e7l\u0131 i\u00e7eri\u011fi tan\u0131mlamak i\u00e7in imza tabanl\u0131 analiz, anormallik tespiti ve makine \u00f6\u011frenimini kullanabilir.<\/p>\n\n\n\n<p>IPS potansiyel bir siber sald\u0131r\u0131 tespit ederse, BT departman\u0131na bir uyar\u0131 g\u00f6nderir. Bununla birlikte, ad\u0131ndaki P harfinden de anla\u015f\u0131laca\u011f\u0131 gibi bir IPS sald\u0131r\u0131lar\u0131 da \u00f6nleyebilir. Trafik ak\u0131\u015flar\u0131 s\u0131ras\u0131ndaki konumu, trafi\u011fi engellemesine ve i\u015fletme i\u00e7in tehdit olu\u015fturdu\u011funa inand\u0131\u011f\u0131 ba\u011flant\u0131lar\u0131 s\u0131f\u0131rlamas\u0131na olanak tan\u0131r.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"900\" height=\"400\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-nasil-calisir.webp\" alt=\"\" class=\"wp-image-3752\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-nasil-calisir.webp 900w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-nasil-calisir-300x133.webp 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-nasil-calisir-768x341.webp 768w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-nasil-calisir-750x333.webp 750w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption>Kaynak: Kaynak: geekflare<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">IPS Da\u011f\u0131t\u0131m Modelleri<\/h2>\n\n\n\n<p>IPS, k\u00f6t\u00fc niyetli trafi\u011fi engelleyerek bir a\u011f\u0131 veya sistemi korumay\u0131 ama\u00e7lamaktad\u0131r. IPS, a\u015fa\u011f\u0131dakiler de dahil olmak \u00fczere birka\u00e7 farkl\u0131 da\u011f\u0131t\u0131m modeli alt\u0131nda \u00e7al\u0131\u015fabilir:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u015eirket \u0130\u00e7i (On-Premises):<\/strong> Eski IPS&#8217;ler, kurumsal a\u011f\u0131n \u00e7evresinde \u015firket i\u00e7inde konu\u015fland\u0131r\u0131l\u0131r. Bu \u00e7\u00f6z\u00fcmler belirli bir co\u011frafi konuma ba\u011fl\u0131d\u0131r ve yaln\u0131zca o a\u011fa giden trafi\u011fi inceleyip filtreleyebilir.<\/li><li><strong>Bulut Tabanl\u0131 (Cloud-Based):<\/strong> Modern IPS, hizmet olarak g\u00fcvenlik duvar\u0131 (FWaaS) teklifinin bir par\u00e7as\u0131 olarak giderek daha fazla konu\u015fland\u0131r\u0131lmaktad\u0131r. Bu bulut tabanl\u0131 hizmetler co\u011frafi olarak da\u011f\u0131t\u0131lm\u0131\u015ft\u0131r ve t\u00fcm kaynaklara giden trafi\u011fi denetleyebilir.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Sald\u0131r\u0131 \u00d6nleme Sistemlerinin T\u00fcrleri<\/h2>\n\n\n\n<p>Ana IPS t\u00fcrleri a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Network-based intrusion prevention system (NIPS) &#8211; A\u011f tabanl\u0131 sald\u0131r\u0131 \u00f6nleme sistemi&nbsp;<\/h3>\n\n\n\n<p>A\u011f tabanl\u0131 IPS, protokol etkinli\u011fini analiz ederek k\u00f6t\u00fc niyetli etkinlik veya \u015f\u00fcpheli trafik i\u00e7in a\u011f\u0131 izler.<\/p>\n\n\n\n<p>A\u011f Tabanl\u0131 sald\u0131r\u0131 \u00f6nleme sistemleri veya NIPS, t\u00fcm a\u011f boyunca protokol paketlerini analiz ederek k\u00f6t\u00fc niyetli etkinlikleri tespit eder ve \u00f6nler. Genellikle <a href=\"https:\/\/uzmanposta.com\/blog\/ids\/\">IDS<\/a>\/IPS veya \u0130zinsiz Giri\u015f Tespit ve \u00d6nleme sistemleri olarak adland\u0131r\u0131l\u0131rlar.<\/p>\n\n\n\n<p>NIPS kurulduktan sonra, a\u011fda yayg\u0131n olarak kullan\u0131lan izin verilen ana bilgisayarlar\u0131, uygulamalar\u0131 ve i\u015fletim sistemlerini tan\u0131mlamak i\u00e7in bir ana bilgisayar konsolundan ve a\u011fdan bilgi toplar.<\/p>\n\n\n\n<p>Ayr\u0131ca, bir a\u011fdaki \u015f\u00fcpheli de\u011fi\u015fiklikleri tan\u0131mlamak i\u00e7in normal a\u011f trafi\u011finin \u00f6zellikleri hakk\u0131nda bilgi kaydederler.<\/p>\n\n\n\n<p>NIPS, bir sald\u0131r\u0131y\u0131 \u00f6nlemek i\u00e7in bir TCP ba\u011flant\u0131s\u0131 g\u00f6ndermek, bant geni\u015fli\u011fi kullan\u0131m\u0131n\u0131 s\u0131n\u0131rlamak ve hatta \u015f\u00fcpheli a\u011f etkinli\u011fini reddetmek gibi \u00e7e\u015fitli yollarla sald\u0131r\u0131lar\u0131 \u00f6nleyebilir.<\/p>\n\n\n\n<p>G\u00fcn\u00fcm\u00fcz\u00fcn NIPS&#8217;leri g\u00fcvenlik duvarlar\u0131na ve y\u00f6nlendiricilere \u015f\u00fcpheli etkinlikleri engelleme komutu bile verebilmektedir.<\/p>\n\n\n\n<p>NIPS&#8217;in bir dezavantaj\u0131 da, genellikle \u015fifrelenmi\u015f a\u011f trafi\u011fini analiz etmemesi, y\u00fcksek trafik y\u00fcklerini i\u015flememesi veya IDS \/ IPS&#8217;ye kar\u015f\u0131 do\u011frudan sald\u0131r\u0131lar\u0131 i\u015flememesidir.<\/p>\n\n\n\n<p>NIPS, tehditleri tan\u0131mlamak i\u00e7in \u00f6ncelikle imza tabanl\u0131 alg\u0131lama kullan\u0131r. \u0130mza tabanl\u0131 tespit, potansiyel yeni tehditleri tan\u0131mlamak i\u00e7in daha \u00f6nce tan\u0131nan tehditlerin kal\u0131plar\u0131n\u0131 veya imzalar\u0131n\u0131 arar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Host-based intrusion prevention system (HIPS) &#8211; Ana bilgisayar tabanl\u0131 izinsiz giri\u015f \u00f6nleme sistemi&nbsp;<\/h3>\n\n\n\n<p>Host tabanl\u0131 sald\u0131r\u0131 \u00f6nleme sistemleri veya HIPS, k\u00f6t\u00fc niyetli etkinlikleri tespit etmek ve \u00f6nlemek i\u00e7in tek bir ana bilgisayardaki etkinli\u011fi analiz eder.<\/p>\n\n\n\n<p>HIPS, \u015f\u00fcpheli etkinlikleri tespit etmek i\u00e7in hem imza hem de anomali tabanl\u0131 tespit y\u00f6ntemini kullanarak \u00f6ncelikle kod davran\u0131\u015f\u0131n\u0131 analiz eder. Genellikle \u015fifrelemeden yararlanan sald\u0131r\u0131lar\u0131 \u00f6nledikleri i\u00e7in tercih edilir.<\/p>\n\n\n\n<p>HIDS&#8217;e benzer \u015fekilde, bir\u00e7ok k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mdan koruma \u00e7\u00f6z\u00fcm\u00fc, \u00fcr\u00fcn paketlerinin bir par\u00e7as\u0131 olarak HIPS sa\u011flar.<\/p>\n\n\n\n<p>HIPS ayr\u0131ca ana bilgisayarda bulunan hassas bilgilere eri\u015fimi \u00f6nleyebilir, b\u00f6ylece rootkit&#8217;lerin veya Truva atlar\u0131n\u0131n neden olabilece\u011fi potansiyel hasar\u0131 \u00f6nler.<\/p>\n\n\n\n<p>HIPS ayr\u0131ca ana makinenin bir a\u011f \u00fczerindeki k\u00f6t\u00fc niyetli etkinlikleri i\u015flemesini de \u00f6nleyebilir.<\/p>\n\n\n\n<p>HIPS yaln\u0131zca tek bir ana makineye veya sunucuya g\u00fcvenlik sa\u011flad\u0131\u011f\u0131ndan, bir a\u011f genelinde eksiksiz tehdit y\u00f6netimi sa\u011flamak i\u00e7in IDS\/IPS ve WIPS ile birlikte kullan\u0131lmas\u0131 en iyi y\u00f6ntemdir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Network behavior analysis (NBA) &#8211; A\u011f davran\u0131\u015f analizi<\/h3>\n\n\n\n<p>Bu y\u00f6ntem \u00f6ncelikle, sistem veya a\u011f faaliyetlerinde &#8220;normal&#8221; davran\u0131\u015f olarak bilinen davran\u0131\u015ftan sapmalar\u0131 arayan anomali tabanl\u0131 alg\u0131lamay\u0131 i\u00e7erir.<\/p>\n\n\n\n<p>Anomali tabanl\u0131 tespit, ba\u015flat\u0131ld\u0131ktan sonra, belirli bir s\u00fcre boyunca normal davran\u0131\u015f olarak kabul edilen davran\u0131\u015flar i\u00e7in bir profilin olu\u015fturuldu\u011fu bir e\u011fitim d\u00f6nemi gerektirir. Bu profille tutars\u0131zl\u0131klar k\u00f6t\u00fc niyetli olarak i\u015faretlenir.<\/p>\n\n\n\n<p>Anomali tabanl\u0131 tespit yeni tehditleri tan\u0131mlamak i\u00e7in olduk\u00e7a etkilidir, ancak e\u011fitim d\u00f6nemi s\u0131ras\u0131nda a\u011f tehlikeye girerse, profil olu\u015fturulurken k\u00f6t\u00fc niyetli davran\u0131\u015f normal olarak kaydedilebilece\u011finden sorunlar ortaya \u00e7\u0131kabilir.<\/p>\n\n\n\n<p>Ayr\u0131ca, anomali tabanl\u0131 tespit, ilk e\u011fitim d\u00f6neminde tan\u0131nmayan iyi huylu faaliyetler nedeniyle bir\u00e7ok yanl\u0131\u015f pozitif de \u00fcretir.<\/p>\n\n\n\n<p>Durum bilgisi protokol analizi tespiti, normal a\u011f veya sistem davran\u0131\u015f\u0131ndan sapmalar\u0131 aramas\u0131 bak\u0131m\u0131ndan anomali tabanl\u0131 tespite benzer.<\/p>\n\n\n\n<p>Normal davran\u0131\u015f\u0131n temel \u00e7izgisi, sat\u0131c\u0131 taraf\u0131ndan olu\u015fturulan evrensel profillerde \u00f6zetlenmi\u015ftir. Durumsal protokol analizi, kimli\u011fi do\u011frulanm\u0131\u015f ve do\u011frulanmam\u0131\u015f durumlardaki iyi huylu ve \u015f\u00fcpheli etkinlikleri birbirinden ay\u0131rmak i\u00e7in tasarlanm\u0131\u015ft\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Wireless intrusion prevention system (WIPS) &#8211; Kablosuz sald\u0131r\u0131 \u00f6nleme sistemi<\/h3>\n\n\n\n<p>Bir kablosuz sald\u0131r\u0131 \u00f6nleme sistemi (WIPS), A\u00e7\u0131k Sistemler Ara Ba\u011flant\u0131 modelinin Katman 2 (veri ba\u011flant\u0131 katman\u0131) d\u00fczeyinde \u00e7al\u0131\u015f\u0131r.<\/p>\n\n\n\n<p>WIPS, sahte veya yanl\u0131\u015f yap\u0131land\u0131r\u0131lm\u0131\u015f cihazlar\u0131n varl\u0131\u011f\u0131n\u0131 tespit edebilir ve a\u011f\u0131n RF&#8217;lerini hizmet reddi ve di\u011fer sald\u0131r\u0131 bi\u00e7imlerine kar\u015f\u0131 tarayarak bunlar\u0131n kablosuz kurumsal a\u011flarda \u00e7al\u0131\u015fmas\u0131n\u0131 engelleyebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Bulut tabanl\u0131 IPS<\/h3>\n\n\n\n<p>Bulut tabanl\u0131 IPS \u00e7\u00f6z\u00fcmleri bulutta bar\u0131nd\u0131r\u0131l\u0131r ve y\u00f6netilir. Bulut tabanl\u0131 uygulamalar ve hizmetler i\u00e7in IPS i\u015flevselli\u011fi sa\u011flayarak bulut ortamlar\u0131n\u0131 hedef alan tehditlere kar\u015f\u0131 koruma sa\u011flar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Pasif IPS<\/h3>\n\n\n\n<p>Pasif bir IPS, paketleri aktif olarak engellemeden veya d\u00fc\u015f\u00fcrmeden izleme modunda \u00e7al\u0131\u015f\u0131r. A\u011f trafi\u011fini analiz eder, olas\u0131 tehditler hakk\u0131nda uyar\u0131lar veya bildirimler olu\u015fturur ve daha fazla ara\u015ft\u0131rma ve yan\u0131t i\u00e7in y\u00f6neticilere bilgi sa\u011flar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. Sat\u0131r i\u00e7i IPS<\/h3>\n\n\n\n<p>Inline IPS, a\u011f trafi\u011fi ak\u0131\u015f\u0131yla ayn\u0131 hizada konu\u015fland\u0131r\u0131l\u0131r ve paketleri a\u011fdan ge\u00e7erken aktif olarak yakalar ve analiz eder. K\u00f6t\u00fc niyetli paketleri ger\u00e7ek zamanl\u0131 olarak engelleyebilir veya d\u00fc\u015f\u00fcrebilir, b\u00f6ylece hedeflerine ula\u015fmalar\u0131n\u0131 \u00f6nleyebilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IPS&#8217;nin Avantajlar\u0131 Nelerdir?<\/h2>\n\n\n\n<p>A\u015fa\u011f\u0131daki listede IPS\u2019nin avantajlar\u0131na dair bir liste bulabilirsiniz:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Tehdit \u00d6nleme<\/h3>\n\n\n\n<p>IPS, \u015f\u00fcpheli a\u011f trafi\u011fini aktif olarak izleyip engelleyerek yetkisiz eri\u015fimi, sald\u0131r\u0131lar\u0131 ve istismarlar\u0131 \u00f6nlemeye yard\u0131mc\u0131 olur. Bilinen tehditlere kar\u015f\u0131 proaktif savunma sa\u011flar ve yeni ortaya \u00e7\u0131kan veya s\u0131f\u0131r g\u00fcn sald\u0131r\u0131lar\u0131n\u0131 tespit edip azaltabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Ger\u00e7ek Zamanl\u0131 \u0130zleme<\/h3>\n\n\n\n<p>IPS, a\u011f trafi\u011fini ger\u00e7ek zamanl\u0131 olarak s\u00fcrekli izleyerek olas\u0131 tehditlerin an\u0131nda tespit edilmesini ve bunlara yan\u0131t verilmesini sa\u011flar. Bu, riskleri azaltmak i\u00e7in h\u0131zl\u0131 hareket etmeyi sa\u011flayarak ba\u015far\u0131l\u0131 izinsiz giri\u015flerin veya sald\u0131r\u0131lar\u0131n olas\u0131l\u0131\u011f\u0131n\u0131 azalt\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Geli\u015ftirilmi\u015f G\u00fcvenlik<\/h3>\n\n\n\n<p>IPS, a\u011f paketlerini ve davran\u0131\u015flar\u0131n\u0131 analiz ederek, k\u00f6t\u00fc niyetli etkinlikleri belirleyip engelleyerek a\u011f g\u00fcvenli\u011fini g\u00fc\u00e7lendirir. Hassas verilerin, sistemlerin ve kaynaklar\u0131n yetkisiz eri\u015fime ve tehlikelere kar\u015f\u0131 korunmas\u0131na yard\u0131mc\u0131 olur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Azalt\u0131lm\u0131\u015f Kesinti S\u00fcresi ve Hasar<\/h3>\n\n\n\n<p>IPS, ba\u015far\u0131l\u0131 izinsiz giri\u015fleri veya sald\u0131r\u0131lar\u0131 \u00f6nleyerek sistem kesinti s\u00fcresini ve hasar\u0131 en aza indirmeye yard\u0131mc\u0131 olur. Kritik verilerin kayb\u0131n\u0131, kaynaklar\u0131n yetkisiz olarak de\u011fi\u015ftirilmesini veya tahrip edilmesini ve hizmetlerin kesintiye u\u011framas\u0131n\u0131 \u00f6nleyebilir, b\u00f6ylece i\u015f s\u00fcreklili\u011fini koruyabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Kapsaml\u0131 Kapsama<\/h3>\n\n\n\n<p>IPS, a\u011f altyap\u0131s\u0131 genelinde geni\u015f bir koruma sunar. A\u011f \u00e7evresinde, a\u011f i\u00e7inde ve tek tek ana bilgisayarlarda konu\u015fland\u0131r\u0131labilir ve \u00e7e\u015fitli tehdit t\u00fcrlerine kar\u015f\u0131 birden fazla savunma katman\u0131 sa\u011flar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Merkezi Y\u00f6netim ve Kontrol<\/h3>\n\n\n\n<p>IPS \u00e7\u00f6z\u00fcmleri genellikle merkezi y\u00f6netim konsollar\u0131 sunarak y\u00f6neticilerin IPS da\u011f\u0131t\u0131mlar\u0131n\u0131 tek bir aray\u00fczden yap\u0131land\u0131rmas\u0131na, izlemesine ve y\u00f6netmesine olanak tan\u0131r. Bu da y\u00f6netim, politika y\u00f6netimi ve raporlama s\u00fcre\u00e7lerini kolayla\u015ft\u0131r\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IPS \u00c7\u00f6z\u00fcmleri Nas\u0131l Se\u00e7ilir?<\/h2>\n\n\n\n<p>IPS, kurumsal g\u00fcvenlik stratejisinin hayati bir bile\u015fenidir. Ancak yanl\u0131\u015f IPS se\u00e7imi, BT ekibini karma\u015f\u0131k, \u00f6l\u00e7eklendirilemez ve etkisiz bir g\u00fcvenlik mimarisiyle m\u00fccadele etmek zorunda b\u0131rakabilir. Bir IPS ararken aranmas\u0131 gereken baz\u0131 temel \u00f6zellikler a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. S\u0131k G\u00fcncellemeler<\/h3>\n\n\n\n<p>Bir IPS&#8217;nin rol\u00fc, istismar giri\u015fimlerini tespit etmek ve engellemektir, bu da en son g\u00fcvenlik a\u00e7\u0131klar\u0131ndan, tehditlerden ve siber sald\u0131r\u0131 kampanyalar\u0131ndan haberdar olmas\u0131 gerekti\u011fi anlam\u0131na gelir. Bir IPS, g\u00fcncellemelerin, imzalar\u0131n ve yamalar\u0131n t\u00fcm \u00e7\u00f6z\u00fcmlere h\u0131zl\u0131 bir \u015fekilde sunulmas\u0131na izin verecek \u015fekilde tasarlanmal\u0131d\u0131r, b\u00f6ylece geli\u015fen tehdit kampanyalar\u0131n\u0131 tespit edebilir ve engellemesine olanak tan\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Minimum Yanl\u0131\u015f Pozitif<\/h3>\n\n\n\n<p>IPS, minimum yanl\u0131\u015f pozitif, minimum bak\u0131m ve maksimum etkinlikle, sahip oldu\u011fu imzalar\u0131n tam kapsam\u0131na g\u00f6re trafi\u011fi inceleyebilmelidir. Bu, g\u00fcvenlik personelinin \u00e7abalar\u0131n\u0131 ger\u00e7ek tehditlere ve di\u011fer temel g\u00f6revlere odaklamas\u0131n\u0131 sa\u011flar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. S\u0131n\u0131rs\u0131z \u0130\u015flem Kaynaklar\u0131<\/h3>\n\n\n\n<p>Cihaz tabanl\u0131 sistemlerin i\u015flem kaynaklar\u0131 donan\u0131mlar\u0131yla s\u0131n\u0131rl\u0131d\u0131r, bu da \u00f6l\u00e7eklenebilirliklerini ve etkinliklerini s\u0131n\u0131rlar. Buna kar\u015f\u0131l\u0131k, bulut tabanl\u0131 bir IPS&#8217;nin tam bir trafik denetimi yapmas\u0131n\u0131 engelleyebilecek herhangi bir i\u015flem s\u0131n\u0131rlamas\u0131 yoktur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Verimli TLS \u015eifre \u00c7\u00f6zme<\/h3>\n\n\n\n<p>Ba\u011f\u0131ms\u0131z g\u00fcvenlik \u00e7\u00f6z\u00fcmleri genellikle paketlerin \u015fifresini tek tek \u00e7\u00f6zer ve inceler, bu da \u00f6nemli bir gecikme yarat\u0131r. Bir IPS, t\u00fcm g\u00fcvenlik y\u0131\u011f\u0131n\u0131n\u0131n ihtiya\u00e7lar\u0131n\u0131 kar\u015f\u0131layan h\u0131zl\u0131, tek seferlik trafik \u015fifresini \u00e7\u00f6zmeyi sa\u011flamak i\u00e7in di\u011fer g\u00fcvenlik \u00e7\u00f6z\u00fcmleriyle entegre edilmelidir.<\/p>\n\n\n\n<p><strong>Okuman\u0131z\u0131 \u00f6neririz:<\/strong> <a href=\"https:\/\/uzmanposta.com\/blog\/tls\/\">TLS Nedir? SSL\/TLS Kullanarak G\u00fcvenli E-posta G\u00f6nderin veya Al\u0131n<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Da\u011f\u0131t\u0131lm\u0131\u015f G\u00fcvenlik<\/h3>\n\n\n\n<p>Eski IPS \u00e7\u00f6z\u00fcmleri genellikle kurumsal veri merkezini koruyan \u00e7evre odakl\u0131 bir model alt\u0131nda konu\u015fland\u0131r\u0131lm\u0131\u015ft\u0131r. <a href=\"https:\/\/uzmanposta.com\/blog\/bulut-bilisim\/\">Bulut bili\u015fim<\/a>, uzaktan \u00e7al\u0131\u015fma, mobil cihazlar ve <a href=\"https:\/\/uzmanposta.com\/blog\/iot\/\">Nesnelerin \u0130nterneti (IoT)<\/a> a\u011f \u00e7evresini \u00e7\u00f6zd\u00fck\u00e7e, g\u00fcvenli\u011fin ihtiya\u00e7 duyulan her yerde mevcut olmas\u0131 gerekir. IPS, bir kurulu\u015fun t\u00fcm cihazlar\u0131 ve BT kaynaklar\u0131 i\u00e7in eri\u015filebilir oldu\u011fu bulutta konu\u015fland\u0131r\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Birle\u015fik G\u00fcvenlik<\/h3>\n\n\n\n<p>Tarihsel olarak \u015firketler, etkili bir \u015fekilde izlenmesi ve y\u00f6netilmesi zor olan bir dizi ba\u011f\u0131ms\u0131z g\u00fcvenlik \u00e7\u00f6z\u00fcm\u00fc kullan\u0131r. Sonu\u00e7 olarak, analistler yanl\u0131\u015f pozitif uyar\u0131larla dolup ta\u015farken ger\u00e7ek tehditler g\u00f6zden ka\u00e7maktad\u0131r. Bir IPS, tek bir konsoldan merkezi izleme ve y\u00f6netim sa\u011flayan entegre bir g\u00fcvenlik y\u0131\u011f\u0131n\u0131n\u0131n par\u00e7as\u0131 olarak konu\u015fland\u0131r\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IPS ve G\u00fcvenlik Duvar\u0131 Aras\u0131ndaki Farklar<\/h2>\n\n\n\n<p>IPS (\u0130zinsiz Giri\u015f \u00d6nleme Sistemi) ve <a href=\"https:\/\/uzmanposta.com\/blog\/firewall-nedir\/\">g\u00fcvenlik duvarlar\u0131<\/a> temel siber g\u00fcvenlik ara\u00e7lar\u0131 olsa da, ikisi aras\u0131nda temel farklar vard\u0131r. Bir g\u00fcvenlik duvar\u0131 \u00f6ncelikle dahili bir a\u011f ile harici \u0130nternet aras\u0131nda bir bariyer g\u00f6revi g\u00f6r\u00fcr ve \u00f6nceden belirlenmi\u015f kurallara g\u00f6re gelen ve giden trafi\u011fi kontrol eder.\u00a0<\/p>\n\n\n\n<p>\u00d6te yandan, bir IPS sadece trafi\u011fi izlemenin ve engellemenin \u00f6tesine ge\u00e7er. A\u011f trafi\u011fini potansiyel tehditlere kar\u015f\u0131 tarar ve bunlar\u0131 \u00f6nlemek i\u00e7in derhal harekete ge\u00e7er. Bu, izinsiz giri\u015f giri\u015fimleri, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar ve yetkisiz eri\u015fim gibi k\u00f6t\u00fc ama\u00e7l\u0131 etkinlikleri tespit etmeyi ve engellemeyi i\u00e7erir. Bir g\u00fcvenlik duvar\u0131 trafik kontrol\u00fcne odaklan\u0131rken, bir IPS tehdit alg\u0131lama ve \u00f6nlemeye odaklan\u0131r. \u0130\u015fletmelerin kapsaml\u0131 a\u011f g\u00fcvenli\u011fi sa\u011flamak i\u00e7in hem g\u00fcvenlik duvar\u0131 hem de IPS&#8217;yi birlikte kullanmas\u0131 yayg\u0131nd\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IPS ve IDS Aras\u0131ndaki Temel Farklar<\/h2>\n\n\n\n<p>A\u015fa\u011f\u0131da, ne i\u00e7in kullan\u0131ld\u0131klar\u0131n\u0131 anlaman\u0131za yard\u0131mc\u0131 olmas\u0131 i\u00e7in IDS ve bir IPS aras\u0131ndaki temel farklar\u0131n bir listesi verilmi\u015ftir:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u00c7al\u0131\u015fma<\/h3>\n\n\n\n<p>IDS potansiyel g\u00fcvenlik risklerini tan\u0131mlar ve ard\u0131ndan bu tehlikeleri IPS&#8217;ye bildirir. IDS potansiyel g\u00fcvenlik tehditlerini tespit eder ve \u00f6nler. Sald\u0131r\u0131 \u00d6nleme Sistemi (IPS), sunuculardaki \u015f\u00fcpheli etkinlikleri bulan protokollere dayal\u0131 bir uygulamad\u0131r. IPS, bilinmeyen a\u011f trafi\u011fini i\u00e7eren sald\u0131r\u0131lar\u0131 tespit eder.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Protokol<\/h3>\n\n\n\n<p>IDS, sunuculardaki \u015f\u00fcpheli etkinlikleri tespit eden protokol tabanl\u0131 bir uygulamad\u0131r. IPS, bilinmeyen a\u011f trafi\u011fini i\u00e7eren sald\u0131r\u0131lar\u0131 tespit eder.<\/p>\n\n\n\n<p>Yanl\u0131\u015f pozitifler IDS ile ilgili k\u00fc\u00e7\u00fck sorunlard\u0131r, ancak kritik yanl\u0131\u015f pozitifler bir a\u011f\u0131 tamamen kapatabilir. Ayr\u0131ca, IDS a\u011f performans\u0131n\u0131 etkilemezken, IPS a\u011f yava\u015flamalar\u0131na neden olabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Sistemin Konumu<\/h3>\n\n\n\n<p>IPS g\u00fcvenlik duvar\u0131 ile a\u011f\u0131n geri kalan\u0131 aras\u0131na kurulurken, IDS istemcinin bilgisayar\u0131na kurulur. Farkl\u0131 yerlerde bulunduklar\u0131 i\u00e7in farkl\u0131 i\u015flevlere ve dolay\u0131s\u0131yla farkl\u0131 koruma t\u00fcrlerine sahiptir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Kontrol Sistemi<\/h3>\n\n\n\n<p>IPS&#8217;nin ba\u015far\u0131l\u0131 olabilmesi i\u00e7in d\u00fczenli g\u00fcncellemelere ve otomatik ayarlamaya ihtiyac\u0131 vard\u0131r. Herhangi bir \u015f\u00fcpheli faaliyet i\u00e7in a\u011f\u0131 s\u00fcrekli olarak izler ve bunu ele almak i\u00e7in ad\u0131mlar atar.<\/p>\n\n\n\n<p>\u00d6te yandan, IDS a\u011f\u0131n trafik modellerini analiz etti\u011fi i\u00e7in d\u00fczenli g\u00fcncelleme ve ayarlama gerektirmez. \u015e\u00fcpheli faaliyetler tespit edildi\u011finde y\u00f6neticileri uyarmak i\u00e7in IDS&#8217;yi yap\u0131land\u0131rabilirsiniz.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td><\/td><td><strong>IDS<\/strong><\/td><td><strong>IPS<\/strong><\/td><\/tr><tr><td>A\u00e7\u0131l\u0131m\u0131<\/td><td>Intrusion Detection System &#8211; \u0130zinsiz Giri\u015f Tespit Sistemi<\/td><td>Intrusion Prevention System &#8211; Sald\u0131r\u0131 \u00d6nleme Sistemi<\/td><\/tr><tr><td>Sistem T\u00fcr\u00fc<\/td><td>\u0130zleme, tan\u0131mlama ve bildirim<\/td><td>Otomatik, savunma ve d\u00fczeltme<\/td><\/tr><tr><td>Kurulum Yeri<\/td><td>M\u00fc\u015fterinin sisteminde<\/td><td>G\u00fcvenlik duvar\u0131 ve ana network aras\u0131nda<\/td><\/tr><tr><td>\u00c7al\u0131\u015fma<\/td><td>Potansiyel g\u00fcvenlik risklerini belirleme ve IPS&#8217;ye uyar\u0131 g\u00f6nderme<\/td><td>Potansiyel g\u00fcvenlik tehdidini belirleme ve engelleme<\/td><\/tr><tr><td>Protokol Tabanl\u0131 Uygulama<\/td><td>Sunucular i\u00e7inde \u015f\u00fcpheli etkinlik aramak<\/td><td>Bilinmeyen a\u011f trafi\u011fi sald\u0131r\u0131lar\u0131n\u0131 tespit eder.<\/td><\/tr><tr><td>Yanl\u0131\u015f Pozitif<\/td><td>K\u00fc\u00e7\u00fck yanl\u0131\u015f pozitif<\/td><td>Kritik yanl\u0131\u015f pozitif<\/td><\/tr><tr><td>A\u011f Performans\u0131<\/td><td>A\u011f performans\u0131n\u0131 etkilemez.<\/td><td>A\u011f\u0131 yava\u015flat\u0131r.<\/td><\/tr><tr><td>\u0130nsan Deste\u011fi<\/td><td>IDS, g\u00fcncelleme ve eylemleri ger\u00e7ekle\u015ftirmek i\u00e7in insan etkile\u015fimine ihtiya\u00e7 duyar.<\/td><td>IPS otomatik pilottur ve eylemleri ger\u00e7ekle\u015ftirmek i\u00e7in herhangi bir insan etkile\u015fimine ihtiya\u00e7 duymaz.<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Intrusion Prevention System (IPS) yani izinsiz giri\u015f \u00f6nleme sistemi, a\u011f trafi\u011fini izleyen ve k\u00f6t\u00fc ama\u00e7l\u0131 i\u00e7eri\u011fi engelleyen bir a\u011f g\u00fcvenli\u011fi teknolojisidir. Bir IPS, fidye yaz\u0131l\u0131m\u0131, yanal hareket, g\u00fcvenlik a\u00e7\u0131\u011f\u0131 istismar\u0131 ve di\u011fer sald\u0131r\u0131lar gibi \u00e7ok \u00e7e\u015fitli siber tehditlere kar\u015f\u0131 koruma sa\u011flar. Ancak IPS, kurumsal g\u00fcvenlik mimarisinin yaln\u0131zca bir bile\u015fenidir. Bu y\u00fczden do\u011fru IPS&#8217;yi se\u00e7mek, kurumsal [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3749,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86,1],"tags":[],"class_list":["post-3748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guvenlik","category-nedir-nasil-yapilir"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>IPS (Sald\u0131r\u0131 \u00d6nleme Sistemi) Nedir? IPS vs. IDS Aras\u0131ndaki Farklar - Uzman Posta<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uzmanposta.com\/blog\/ips\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IPS (Sald\u0131r\u0131 \u00d6nleme Sistemi) Nedir? IPS vs. IDS Aras\u0131ndaki Farklar - Uzman Posta\" \/>\n<meta property=\"og:description\" content=\"Intrusion Prevention System (IPS) yani izinsiz giri\u015f \u00f6nleme sistemi, a\u011f trafi\u011fini izleyen ve k\u00f6t\u00fc ama\u00e7l\u0131 i\u00e7eri\u011fi engelleyen bir a\u011f g\u00fcvenli\u011fi teknolojisidir. Bir IPS, fidye yaz\u0131l\u0131m\u0131, yanal hareket, g\u00fcvenlik a\u00e7\u0131\u011f\u0131 istismar\u0131 ve di\u011fer sald\u0131r\u0131lar gibi \u00e7ok \u00e7e\u015fitli siber tehditlere kar\u015f\u0131 koruma sa\u011flar. Ancak IPS, kurumsal g\u00fcvenlik mimarisinin yaln\u0131zca bir bile\u015fenidir. Bu y\u00fczden do\u011fru IPS&#8217;yi se\u00e7mek, kurumsal [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uzmanposta.com\/blog\/ips\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/uzmanposta\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-23T20:22:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-23T20:30:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/10\/ips-saldiri-onleme-sistemi-nedir-ips-vs-ids-arasindaki-farklar.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Sibel Ho\u015f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@uZmanPosta\" \/>\n<meta name=\"twitter:site\" content=\"@uZmanPosta\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sibel Ho\u015f\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"13 dakika\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"IPS (Sald\u0131r\u0131 \u00d6nleme Sistemi) Nedir? IPS vs. IDS Aras\u0131ndaki Farklar - Uzman Posta","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/uzmanposta.com\/blog\/ips\/","og_locale":"tr_TR","og_type":"article","og_title":"IPS (Sald\u0131r\u0131 \u00d6nleme Sistemi) Nedir? IPS vs. IDS Aras\u0131ndaki Farklar - Uzman Posta","og_description":"Intrusion Prevention System (IPS) yani izinsiz giri\u015f \u00f6nleme sistemi, a\u011f trafi\u011fini izleyen ve k\u00f6t\u00fc ama\u00e7l\u0131 i\u00e7eri\u011fi engelleyen bir a\u011f g\u00fcvenli\u011fi teknolojisidir. Bir IPS, fidye yaz\u0131l\u0131m\u0131, yanal hareket, g\u00fcvenlik a\u00e7\u0131\u011f\u0131 istismar\u0131 ve di\u011fer sald\u0131r\u0131lar gibi \u00e7ok \u00e7e\u015fitli siber tehditlere kar\u015f\u0131 koruma sa\u011flar. Ancak IPS, kurumsal g\u00fcvenlik mimarisinin yaln\u0131zca bir bile\u015fenidir. 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