{"id":15027,"date":"2024-11-14T06:34:36","date_gmt":"2024-11-14T03:34:36","guid":{"rendered":"https:\/\/www.sunucun.com.tr\/blog\/?post_type=dt_articles&#038;p=15027"},"modified":"2024-12-20T09:59:05","modified_gmt":"2024-12-20T06:59:05","slug":"arp-nedir","status":"publish","type":"post","link":"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/","title":{"rendered":"ARP Nedir?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/#ARPnin_Temel_Gorevi\" >ARP&#8217;nin Temel G\u00f6revi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/#ARP_Nasil_Calisir\" >ARP Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/#ARP_Tablosu_Nedir\" >ARP Tablosu Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/#ARPnin_Guvenlik_Riskleri\" >ARP&#8217;nin G\u00fcvenlik Riskleri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/#ARP_Spoofing_Nedir\" >ARP Spoofing Nedir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/#ARPnin_Kullanim_Alanlari\" >ARP&#8217;nin Kullan\u0131m Alanlar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/#ARPnin_Avantajlari\" >ARP&#8217;nin Avantajlar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/#ARPnin_Dezavantajlari\" >ARP&#8217;nin Dezavantajlar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/#ARP_Guvenligini_Saglamak\" >ARP G\u00fcvenli\u011fini Sa\u011flamak<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/sunucun.com.tr\/blog\/arp-nedir\/#Sonuc\" >Sonu\u00e7<\/a><\/li><\/ul><\/nav><\/div>\n<p>ARP (Address Resolution Protocol), bir a\u011fdaki cihazlar\u0131n IP adreslerini fiziksel (MAC) adreslerine d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in kullan\u0131lan bir protokold\u00fcr. Bilgisayarlar ve a\u011f cihazlar\u0131, IP adresleri \u00fczerinden <a href=\"https:\/\/sunucun.com.tr\/iletisim\" data-internallinksmanager029f6b8e52c=\"95\" title=\"\u0130leti\u015fim bilgilerine buradan ula\u015f\u0131n\">ileti\u015fim<\/a> kurarlar, ancak bu ileti\u015fimi ger\u00e7ekle\u015ftirebilmek i\u00e7in veri paketlerinin do\u011fru fiziksel adreslere y\u00f6nlendirilmesi gerekir. ARP, bu d\u00f6n\u00fc\u015f\u00fcm\u00fc sa\u011flar ve b\u00f6ylece cihazlar birbirleriyle ileti\u015fim kurabilmek i\u00e7in do\u011fru adresleri bulurlar.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ARPnin_Temel_Gorevi\"><\/span>ARP&#8217;nin Temel G\u00f6revi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ARP\u2019nin temel i\u015flevi, IP adreslerinin fiziksel (MAC) adreslerine \u00e7\u00f6z\u00fclmesidir. Her a\u011f cihaz\u0131n\u0131n kendine \u00f6zg\u00fc bir IP adresi ve MAC adresi vard\u0131r. IP adresleri a\u011f \u00fczerindeki cihazlar\u0131 tan\u0131mak i\u00e7in kullan\u0131l\u0131rken, MAC adresleri cihaz\u0131n fiziksel kimli\u011fini temsil eder. ARP, bir cihaz\u0131n IP adresi ile ba\u011flant\u0131l\u0131 MAC adresini \u00f6\u011frenmesine ve ileti\u015fim kurmas\u0131na yard\u0131mc\u0131 olur.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ARP_Nasil_Calisir\"><\/span>ARP Nas\u0131l \u00c7al\u0131\u015f\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ARP&#8217;nin \u00e7al\u0131\u015fma prensibi olduk\u00e7a basittir. Bir cihaz, hedef IP adresini tan\u0131mazsa, ARP sorgusu g\u00f6nderir. Bu sorgu, a\u011fdaki t\u00fcm cihazlara yay\u0131nlan\u0131r. Yay\u0131nlanan bu ARP sorgusu, hedef IP adresine sahip cihazdan MAC adresi bilgisini almak amac\u0131yla g\u00f6nderilir. Hedef cihaz, MAC adresini i\u00e7eren bir yan\u0131t ile geri d\u00f6ner. Bu yan\u0131t, sorguyu g\u00f6nderen cihaza iletilir ve b\u00f6ylece IP adresinin kar\u015f\u0131l\u0131k geldi\u011fi MAC adresi \u00f6\u011frenilmi\u015f olur.<\/p>\n<p>Bu s\u00fcre\u00e7 \u015fu \u015fekilde i\u015fler:<\/p>\n<ol>\n<li><strong>ARP Sorgusu:<\/strong> Cihaz, hedef IP adresine sahip cihaz\u0131 tan\u0131mad\u0131\u011f\u0131 zaman ARP sorgusu g\u00f6nderir.<\/li>\n<li><strong>ARP Yan\u0131t\u0131:<\/strong> Hedef cihaz, kendi MAC adresini i\u00e7eren bir yan\u0131t g\u00f6nderir.<\/li>\n<li><strong>Adres Tablosu:<\/strong> Yan\u0131t al\u0131nd\u0131\u011f\u0131nda, cihaz hedef IP adresinin kar\u015f\u0131l\u0131k geldi\u011fi MAC adresini kaydeder. Bu bilgi, cihaz\u0131n ARP tablosuna eklenir.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"ARP_Tablosu_Nedir\"><\/span>ARP Tablosu Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ARP tablosu, cihaz\u0131n a\u011fdaki di\u011fer cihazlar\u0131n IP ve MAC adreslerini saklad\u0131\u011f\u0131 bir veritaban\u0131d\u0131r. Bu tablo, cihaz\u0131n a\u011f \u00fczerinde daha h\u0131zl\u0131 veri iletimi yapabilmesi i\u00e7in gereklidir. Bir cihaz, IP ve MAC adreslerinin e\u015fle\u015ftirilmesini sa\u011flayarak her veri paketini do\u011fru hedefe y\u00f6nlendirebilir. ARP tablosu ge\u00e7ici olup, genellikle belirli bir s\u00fcre sonra silinir. Bu nedenle, e\u011fer cihaz daha \u00f6nce ileti\u015fim kurmad\u0131\u011f\u0131 bir cihazla tekrar ileti\u015fime ge\u00e7ecekse, yeni bir ARP sorgusu yap\u0131lmas\u0131 gerekir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ARPnin_Guvenlik_Riskleri\"><\/span>ARP&#8217;nin G\u00fcvenlik Riskleri<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ARP, a\u011f\u0131 g\u00fcvenli hale getirmek i\u00e7in tasarlanmam\u0131\u015ft\u0131r ve baz\u0131 g\u00fcvenlik a\u00e7\u0131klar\u0131na sahip olabilir. Bu a\u00e7\u0131klar, k\u00f6t\u00fc niyetli ki\u015filerin a\u011fdaki cihazlara zarar vermesine veya izinsiz eri\u015fim sa\u011flamas\u0131na olanak tan\u0131r. ARP tablosunda yap\u0131lan manip\u00fclasyonlarla, bir sald\u0131rgan, ba\u015fka bir cihaz\u0131n kimli\u011fini taklit edebilir (bu duruma &#8220;ARP spoofing&#8221; denir). ARP spoofing, bir sald\u0131rgan\u0131n a\u011fdaki veri paketlerini izleyerek hassas bilgileri \u00e7almas\u0131n\u0131 sa\u011flar. \u00d6rne\u011fin, sald\u0131rgan, ba\u015fka bir cihaz\u0131n MAC adresini taklit ederek, cihazlar aras\u0131ndaki ileti\u015fimi kontrol edebilir ve \u015fifreli bile olsa verileri ele ge\u00e7irebilir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ARP_Spoofing_Nedir\"><\/span>ARP Spoofing Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ARP spoofing, sald\u0131rgan\u0131n a\u011fdaki cihazlardan birinin MAC adresini taklit ederek ARP tablosunu manip\u00fcle etmesidir. Bu sald\u0131r\u0131 sonucunda, hedef cihaz, yanl\u0131\u015f IP adresi ve MAC adresi e\u015fle\u015ftirmelerine dayanarak veri g\u00f6nderir. Sald\u0131rgan bu verileri \u00e7alabilir veya hedef cihaz\u0131n internet trafi\u011fini y\u00f6nlendirebilir. ARP spoofing, genellikle veri h\u0131rs\u0131zl\u0131\u011f\u0131, kimlik av\u0131 (phishing) ve DoS (Denial of Service) sald\u0131r\u0131lar\u0131 i\u00e7in kullan\u0131l\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ARPnin_Kullanim_Alanlari\"><\/span>ARP&#8217;nin Kullan\u0131m Alanlar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ARP, bir\u00e7ok a\u011fda yayg\u0131n olarak kullan\u0131lan bir protokold\u00fcr. \u00d6rne\u011fin, ev a\u011flar\u0131ndan kurumsal a\u011flara kadar her t\u00fcr a\u011fda ARP kullan\u0131l\u0131r. Bu, her cihaz\u0131n do\u011fru fiziksel adresi bulmas\u0131na ve verilerin hedefe ula\u015fmas\u0131n\u0131 sa\u011flamas\u0131na yard\u0131mc\u0131 olur. ARP, IP tabanl\u0131 a\u011flar\u0131n temel protokollerinden biridir ve genellikle a\u011f yap\u0131land\u0131rma i\u015flemlerinde yer al\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ARPnin_Avantajlari\"><\/span>ARP&#8217;nin Avantajlar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Veri \u0130leti\u015fimi Kolayla\u015ft\u0131rma:<\/strong> ARP, cihazlar aras\u0131ndaki veri iletimini kolayla\u015ft\u0131rarak a\u011f\u0131n d\u00fczg\u00fcn \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flar.<\/li>\n<li><strong>H\u0131zl\u0131 Adres \u00c7\u00f6z\u00fcmleme:<\/strong> IP adreslerinin MAC adreslerine h\u0131zl\u0131 bir \u015fekilde \u00e7\u00f6z\u00fclmesi, a\u011fda verimli ileti\u015fim sa\u011flar.<\/li>\n<li><strong>A\u011f Performans\u0131n\u0131n Artmas\u0131:<\/strong> ARP, IP adreslerinin fiziksel adreslere h\u0131zl\u0131ca d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi sayesinde a\u011f\u0131n performans\u0131n\u0131 art\u0131r\u0131r.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"ARPnin_Dezavantajlari\"><\/span>ARP&#8217;nin Dezavantajlar\u0131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>G\u00fcvenlik Zafiyetleri:<\/strong> ARP, a\u011fdaki cihazlar\u0131n MAC adreslerini \u00f6\u011frenmesine olanak tan\u0131rken, ayn\u0131 zamanda k\u00f6t\u00fc niyetli kullan\u0131c\u0131lar\u0131n a\u011fda izinsiz eri\u015fim sa\u011flamas\u0131na veya bilgileri \u00e7almas\u0131na da imkan verir.<\/li>\n<li><strong>Manip\u00fclasyona A\u00e7\u0131k:<\/strong> ARP, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar ve sald\u0131r\u0131larla manip\u00fcle edilebilir. Bu nedenle a\u011f y\u00f6neticilerinin ARP tablosunu d\u00fczenli olarak kontrol etmeleri \u00f6nemlidir.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"ARP_Guvenligini_Saglamak\"><\/span>ARP G\u00fcvenli\u011fini Sa\u011flamak<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ARP g\u00fcvenli\u011fini sa\u011flamak i\u00e7in birka\u00e7 \u00f6nlem al\u0131nabilir:<\/p>\n<ol>\n<li><strong>Static ARP Entry Kullan\u0131m\u0131:<\/strong> A\u011fda sabit IP ve MAC e\u015fle\u015ftirmeleri yaparak ARP spoofing sald\u0131r\u0131lar\u0131n\u0131n \u00f6n\u00fcne ge\u00e7ilebilir.<\/li>\n<li><strong>A\u011f \u0130zleme Ara\u00e7lar\u0131 Kullanmak:<\/strong> A\u011f izleme ara\u00e7lar\u0131, ARP tablosundaki anormallikleri tespit etmek i\u00e7in kullan\u0131labilir.<\/li>\n<li><strong>\u015eifreleme Kullanmak:<\/strong> A\u011f \u00fczerinden ta\u015f\u0131nan verilerin \u015fifrelenmesi, ARP spoofing gibi sald\u0131r\u0131lardan korunmaya yard\u0131mc\u0131 olabilir.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Sonuc\"><\/span>Sonu\u00e7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>ARP, a\u011f ileti\u015fiminin temel unsurlar\u0131ndan biridir ve IP adreslerinin do\u011fru fiziksel adreslere d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesini sa\u011flar. Bununla birlikte, ARP&#8217;nin g\u00fcvenlik a\u00e7\u0131klar\u0131 da vard\u0131r ve a\u011flarda \u00e7e\u015fitli g\u00fcvenlik tehditlerine yol a\u00e7abilir. Bu nedenle, ARP&#8217;nin do\u011fru bir \u015fekilde y\u00f6netilmesi ve g\u00fcvenli\u011finin sa\u011flanmas\u0131 \u00f6nemlidir. ARP ve a\u011f g\u00fcvenli\u011fi hakk\u0131nda daha fazla bilgi almak i\u00e7in <a target=\"_new\" rel=\"noopener\">Cisco&#8217;nun ARP Rehberi<\/a> sayfas\u0131n\u0131 inceleyebilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ARP (Address Resolution Protocol), bir a\u011fdaki cihazlar\u0131n IP adreslerini fiziksel (MAC) adreslerine d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in kullan\u0131lan bir protokold\u00fcr. Bilgisayarlar ve a\u011f cihazlar\u0131, IP adresleri \u00fczerinden ileti\u015fim kurarlar, ancak bu ileti\u015fimi ger\u00e7ekle\u015ftirebilmek i\u00e7in veri paketlerinin do\u011fru fiziksel adreslere y\u00f6nlendirilmesi gerekir. ARP, bu d\u00f6n\u00fc\u015f\u00fcm\u00fc sa\u011flar ve b\u00f6ylece cihazlar birbirleriyle ileti\u015fim kurabilmek i\u00e7in do\u011fru adresleri bulurlar. ARP&#8217;nin Temel G\u00f6revi&hellip;<\/p>\n","protected":false},"author":1,"featured_media":15028,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[1521],"tags":[1527],"class_list":["post-15027","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-teknoloji"],"_links":{"self":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/15027","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=15027"}],"version-history":[{"count":1,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/15027\/revisions"}],"predecessor-version":[{"id":16275,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/posts\/15027\/revisions\/16275"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/media\/15028"}],"wp:attachment":[{"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=15027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=15027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sunucun.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=15027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}