{"id":7231,"date":"2022-01-24T22:29:56","date_gmt":"2022-01-24T19:29:56","guid":{"rendered":"https:\/\/www.cenuta.com\/blog\/?p=7231"},"modified":"2022-01-24T22:29:58","modified_gmt":"2022-01-24T19:29:58","slug":"firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur","status":"publish","type":"post","link":"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/","title":{"rendered":"Firewall nedir, ne i\u015fe yarar ve nas\u0131l \u00e7al\u0131\u015f\u0131r? Firewall nas\u0131l kurulur"},"content":{"rendered":"\n<p>Bili\u015fim d\u00fcnyas\u0131yla u\u011fra\u015fmayan ki\u015filerin bile s\u0131k\u00e7a duyabilece\u011fi bir kelime olan <strong>Firewall, <\/strong>g\u00fcvenlik duvar\u0131 anlam\u0131na gelmektedir. Bilgisayar sistemlerini k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlara kar\u015f\u0131 korumak amac\u0131yla ortaya \u00e7\u0131km\u0131\u015ft\u0131r. Her kullan\u0131c\u0131 internet ortam\u0131nda tehlike ile kar\u015f\u0131 kar\u015f\u0131yad\u0131r. Bu tehlikelerden korunmak i\u00e7in Firewall kullanmak b\u00fcy\u00fck bir \u00f6nem ta\u015f\u0131r.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a619bfbef01d\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a619bfbef01d\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/#Firewall_Nedir\" title=\"Firewall Nedir?\">Firewall Nedir?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/#Firewall_Ne_Ise_Yarar\" title=\"Firewall Ne \u0130\u015fe Yarar?\">Firewall Ne \u0130\u015fe Yarar?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/#Firewall_Nasil_Calisir\" title=\"Firewall Nas\u0131l \u00c7al\u0131\u015f\u0131r?\">Firewall Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/#Firewall_Nasil_Kurulur\" title=\"Firewall Nas\u0131l Kurulur?\">Firewall Nas\u0131l Kurulur?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/#Firewall_Nasil_Kapatilir\" title=\"Firewall Nas\u0131l Kapat\u0131l\u0131r?\">Firewall Nas\u0131l Kapat\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/#Firewall_Turleri\" title=\"Firewall T\u00fcrleri\">Firewall T\u00fcrleri<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/#Yazilimsal_Firewall\" title=\"Yaz\u0131l\u0131msal Firewall\">Yaz\u0131l\u0131msal Firewall<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/#Donanimsal_Firewall\" title=\"Donan\u0131msal Firewall\">Donan\u0131msal Firewall<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Firewall_Nedir\"><\/span>Firewall Nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Firewall <\/strong>kelimesi dilimize <strong>g\u00fcvenlik duvar\u0131<\/strong> olarak ge\u00e7mi\u015ftir. Bilgisayarlar i\u00e7in \u00fcretilmi\u015f g\u00fcvenlik sistemleridir. Firewall cihazlar\u0131 ise bu yaz\u0131l\u0131mlar\u0131 uygun donan\u0131mlarla bulu\u015fturarak onlar\u0131n uyumlu bir \u015fekilde \u00e7al\u0131\u015fmalar\u0131n\u0131 sa\u011flamaktad\u0131r. <strong>Firewall<\/strong>, gelen ve giden t\u00fcm a\u011f trafi\u011fini kontrol eder ve filtreleyip, a\u011f trafi\u011fi i\u00e7erisindeki zararl\u0131 eylemleri durdurmay\u0131 sa\u011flar.<\/p>\n\n\n\n<p>G\u00fcvenlik duvarlar\u0131, 25 y\u0131ldan daha fazla s\u00fcredir a\u011f g\u00fcvenli\u011finde ilk savunma hatt\u0131 olmu\u015ftur. Zararl\u0131 veya zarars\u0131z fark etmeksizin d\u0131\u015f a\u011flar aras\u0131nda g\u00fcvenli ve kontroll\u00fc i\u00e7 a\u011flar aras\u0131nda bir engel olu\u015ftururlar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Firewall_Ne_Ise_Yarar\"><\/span>Firewall Ne \u0130\u015fe Yarar?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>G\u00fcvenlik duvar\u0131, yeni Firewall sayesinde bilgisayarda bulunan programlar kullan\u0131c\u0131 d\u0131\u015f\u0131nda bilgi veremez. Yani internete do\u011fru yap\u0131lan bilgiler kullan\u0131c\u0131 izin vermedi\u011fi s\u00fcrece engellenmi\u015f olarak kal\u0131r. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Firewall_Nasil_Calisir\"><\/span>Firewall Nas\u0131l \u00c7al\u0131\u015f\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>G\u00fcvenlik duvar\u0131na koruma katman\u0131 ekledikten sonra, bilinmeyen bir kaynaktan gelen veya \u015f\u00fcpheli olarak g\u00f6r\u00fclen herhangi bir a\u011f trafi\u011fini an\u0131nda engeller. A\u011f y\u00f6neticisi taraf\u0131ndan olu\u015fturulan g\u00fcvenli liste i\u00e7erisine giren t\u00fcm a\u011flar hi\u00e7bir engele maruz kalmadan veri iletir. Ancak listeye dahil olmayan hi\u00e7bir a\u011f bloke edilir ve engellenir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Firewall_Nasil_Kurulur\"><\/span>Firewall Nas\u0131l Kurulur?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Donan\u0131m olarak <strong>Firewall <\/strong>cihaz\u0131n\u0131 kurmak olduk\u00e7a basittir. Kurulumu yapmak i\u00e7in \u00f6ncelikle g\u00fc\u00e7 kablosunu tak\u0131n. Modem veya y\u00f6nlendiriciye bir Lan kablosu takarak i\u015fleme devam edin. Ard\u0131ndan switch cihaz\u0131n\u0131z\u0131n bo\u015f portuna LAN kablosunu tak\u0131n ve kablolar\u0131n di\u011fer ucunu firewall cihaz\u0131n\u0131zda bulunan E1 portuna yerle\u015ftirin.<\/p>\n\n\n\n<p>Bu ad\u0131mlardan sonra mevcut cihaz\u0131n\u0131z\u0131n varsay\u0131lan IP adresini g\u00f6rebileceksiniz. Web taray\u0131c\u0131s\u0131na girip ilgili sa\u011flay\u0131c\u0131n\u0131n &nbsp;y\u00f6netim paneline giri\u015f yapman\u0131z gerekmektedir. Kar\u015f\u0131n\u0131za \u00e7\u0131kan parola ve giri\u015f bilgilerini girerek i\u015fleme devam edebilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Firewall_Nasil_Kapatilir\"><\/span>Firewall Nas\u0131l Kapat\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Firewall g\u00fcvenlik duvar\u0131n\u0131 kullan\u0131c\u0131lar istedikleri zaman kapatabilirler. Baz\u0131 nedenlerden dolay\u0131 kullan\u0131c\u0131lar g\u00fcvenlik duvar\u0131n\u0131 kapatmay\u0131 tercih edebiliyorlar. Mesela baz\u0131 oyunlarda g\u00fcvenlik duvar\u0131 sorun \u00e7\u0131kartabiliyor.<\/p>\n\n\n\n<p>Windows 10 Firewall kapatma i\u015flemi:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u00d6ncelikle Windows tu\u015funa bas\u0131n ve arama \u00e7ubu\u011funa <strong>denetim masas\u0131<\/strong> yaz\u0131n ve girin.<\/li><li><strong>Sistem ve G\u00fcvenlik<\/strong> se\u00e7ene\u011fini ve ard\u0131ndan <strong>Windows G\u00fcvenlik Duvar\u0131<\/strong> se\u00e7ene\u011fini se\u00e7in.<\/li><li>Sol tarafta bulunan <strong>Windows G\u00fcvenlik Duvar\u0131&#8217;n\u0131 etkinle\u015ftir veya devre d\u0131\u015f\u0131 b\u0131rak<\/strong> se\u00e7ene\u011fine t\u0131klay\u0131n.<\/li><li>\u00d6zel a\u011f ve Ortak a\u011f se\u00e7enekleri alt\u0131nda&nbsp;<strong>Windows G\u00fcvenlik Duvar\u0131&#8217;n\u0131 kapat (\u00f6nerilmez)&nbsp;<\/strong>se\u00e7ene\u011fini se\u00e7in. Ve Tamam butonuna t\u0131klay\u0131n.&nbsp;<\/li><\/ul>\n\n\n\n<p>Bu ad\u0131mlar\u0131 uygulayarak Windows 10 cihaz\u0131n\u0131zdan g\u00fcvenlik duvar\u0131n\u0131 kapatm\u0131\u015f olursunuz. A\u00e7mak istemeniz halinde yine ayn\u0131 ad\u0131mlar\u0131 uygulayabilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Firewall_Turleri\"><\/span>Firewall T\u00fcrleri<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Firewall yaz\u0131l\u0131m ve donan\u0131m olarak ikiye ayr\u0131l\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Yazilimsal_Firewall\"><\/span>Yaz\u0131l\u0131msal Firewall<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Yaz\u0131l\u0131msal Firewall bilgisayarlarda \u00e7al\u0131\u015fan programlard\u0131r. Ki\u015fisel bilgisayarlarda kullan\u0131m\u0131 olduk\u00e7a pop\u00fclerdir. Bu t\u00fcrdeki g\u00fcvenlik duvarlar\u0131 genellikle istemci veya sunucular \u00fczerindeki i\u015fletim sistemlerine kurulur. Yaln\u0131zca bir sistem veya a\u011f\u0131 koruyabilirler.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Donanimsal_Firewall\"><\/span>Donan\u0131msal Firewall<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Donan\u0131msal Firewall cihazlar\u0131 ise \u00f6zel donan\u0131mlar \u00fczerinde \u00e7al\u0131\u015fan sistemlerdir. Birden fazla bilgisayara sahip i\u015fletmeler taraf\u0131ndan olduk\u00e7a fazla kullan\u0131m\u0131 vard\u0131r. Bilgisayar \u00fczerinde \u00e7al\u0131\u015fmad\u0131\u011f\u0131 i\u00e7in performans\u0131 etkilemez.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bili\u015fim d\u00fcnyas\u0131yla u\u011fra\u015fmayan ki\u015filerin bile s\u0131k\u00e7a duyabilece\u011fi bir kelime olan<a href=\"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/\">&#8230;<\/a><\/p>\n","protected":false},"author":4,"featured_media":9306,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-7231","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-terimler-sozlugu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cenuta.com\/blog\/firewall-nedir-ne-ise-yarar-ve-nasil-calisir-firewall-nasil-kurulur\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Firewall nedir, ne i\u015fe yarar ve nas\u0131l \u00e7al\u0131\u015f\u0131r? 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