{"id":18266,"date":"2025-04-16T02:45:14","date_gmt":"2025-04-15T23:45:14","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/"},"modified":"2025-04-16T02:45:14","modified_gmt":"2025-04-15T23:45:14","slug":"tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/","title":{"rendered":"TCP\/IP A\u00e7\u0131k Port Tarama: A\u00e7\u0131k Portlar ve Gizli Tehlikeler"},"content":{"rendered":"<p><body><\/p>\n<p>TCP\/IP A\u00e7\u0131k Port Tarama: A\u00e7\u0131k Portlar ve Gizli Tehlikeler<\/p>\n<p>Merhaba, ben Fatih Soysal.  Bu yaz\u0131da, TCP\/IP a\u00e7\u0131k port taramas\u0131, a\u00e7\u0131k portlar\u0131n getirdi\u011fi riskler ve bunlardan nas\u0131l korunabilece\u011finiz konusunda detayl\u0131 bilgi verece\u011fim.  \u00d6ncelikle, TCP\/IP protokol\u00fcn\u00fcn nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve portlar\u0131n ne i\u015fe yarad\u0131\u011f\u0131n\u0131 k\u0131saca \u00f6zetleyelim.  Sonras\u0131nda ise a\u00e7\u0131k port taramas\u0131 tekniklerini ve bunlar\u0131n g\u00fcvenlik a\u00e7\u0131s\u0131ndan \u00f6nemini ele alaca\u011f\u0131z.<\/p>\n<h2>TCP\/IP ve Portlar: Temel Bilgiler<\/h2>\n<p>TCP\/IP, internetin temel ileti\u015fim protokol\u00fcd\u00fcr.  Verilerin internet \u00fczerinden g\u00f6nderilmesini ve al\u0131nmas\u0131n\u0131 sa\u011flar.  Her uygulama, belirli bir port numaras\u0131 kullanarak ileti\u015fim kurar. \u00d6rne\u011fin, web sunucular\u0131 genellikle 80 (HTTP) ve 443 (HTTPS) portlar\u0131n\u0131 kullan\u0131rlar.  Bu portlar, uygulamalar\u0131n birbirleriyle ileti\u015fim kurmas\u0131n\u0131 sa\u011flayan yollar gibidir.<\/p>\n<p>Bununla birlikte, baz\u0131 durumlarda, gereksiz a\u00e7\u0131k portlar g\u00fcvenlik a\u00e7\u0131\u011f\u0131 olu\u015fturabilir.  Bu a\u00e7\u0131k portlar, k\u00f6t\u00fc niyetli ki\u015filerin sisteme izinsiz eri\u015fim sa\u011flamas\u0131na olanak tan\u0131r.  Dolay\u0131s\u0131yla, a\u00e7\u0131k portlar\u0131 y\u00f6netmek ve g\u00fcvenli\u011fini sa\u011flamak son derece \u00f6nemlidir.<\/p>\n<h2>A\u00e7\u0131k Port Tarama Teknikleri<\/h2>\n<p>A\u00e7\u0131k port taramas\u0131, bir sistemdeki a\u00e7\u0131k portlar\u0131 tespit etmek i\u00e7in kullan\u0131lan bir tekniktir.  Bir\u00e7ok ara\u00e7 bu i\u015flem i\u00e7in kullan\u0131labilir.  En yayg\u0131n kullan\u0131lan ara\u00e7lardan biri Nmap&#8217;tir.  Nmap, sistemdeki a\u00e7\u0131k portlar\u0131, i\u015fletim sistemini ve di\u011fer a\u011f bilgilerini belirlemek i\u00e7in kullan\u0131l\u0131r.  A\u015fa\u011f\u0131da basit bir Nmap komutu \u00f6rne\u011fi bulunmaktad\u0131r:<\/p>\n<pre><code class=\"language-bash\">nmap -T4 -A <ip adresi><\/code><\/pre>\n<p>Bu komut, belirtilen IP adresindeki t\u00fcm a\u00e7\u0131k portlar\u0131 tarar.  Ancak, bu i\u015flemin yaln\u0131zca yetkili ki\u015filer taraf\u0131ndan ve izin al\u0131narak yap\u0131lmas\u0131 \u00f6nemlidir.  \u0130zinsiz port taramas\u0131 yasal sorunlara yol a\u00e7abilir.<\/p>\n<h2>A\u00e7\u0131k Portlar\u0131n Tehlikeleri<\/h2>\n<p>A\u00e7\u0131k portlar, bir\u00e7ok g\u00fcvenlik tehdidiyle birlikte gelir.  \u00d6rne\u011fin, a\u00e7\u0131k bir port, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131n sisteme bula\u015fmas\u0131 i\u00e7in bir kap\u0131 g\u00f6revi g\u00f6rebilir.  Ayr\u0131ca, verilerin \u00e7al\u0131nmas\u0131 veya sistemin kontrol alt\u0131na al\u0131nmas\u0131 gibi ciddi sorunlara yol a\u00e7abilir.  Bu nedenle,  g\u00fcvenli\u011finizi sa\u011flamak i\u00e7in a\u00e7\u0131k portlar\u0131 y\u00f6netmek ve gereksiz portlar\u0131 kapatmak \u00e7ok \u00f6nemlidir.<\/p>\n<p>Ayr\u0131ca,  daha g\u00fcvenli bir sistem i\u00e7in firewall kullanmak olduk\u00e7a \u00f6nemlidir.  Firewall, izinsiz eri\u015fimleri engellemeye yard\u0131mc\u0131 olur ve sisteminizi korur.<\/p>\n<h2>G\u00fcvenlik \u00d6nlemleri<\/h2>\n<p>Sisteminizi a\u00e7\u0131k port tehditlerinden korumak i\u00e7in \u00e7e\u015fitli \u00f6nlemler alabilirsiniz.  Bunlardan baz\u0131lar\u0131 \u015funlard\u0131r:  Gereksiz portlar\u0131 kapat\u0131n,  g\u00fc\u00e7l\u00fc parolalar kullan\u0131n,  d\u00fczenli olarak g\u00fcvenlik g\u00fcncellemelerini yap\u0131n ve  bir g\u00fcvenlik duvar\u0131 (firewall) kullan\u0131n.  Ayr\u0131ca, sisteminizi d\u00fczenli olarak tarayarak a\u00e7\u0131k portlar\u0131 tespit edebilir ve bunlar\u0131 kapatabilirsiniz.  Bu sayede,  sisteminizin g\u00fcvenli\u011fini \u00f6nemli \u00f6l\u00e7\u00fcde art\u0131rabilirsiniz.<\/p>\n<p>A\u00e7\u0131k port taramas\u0131, siber g\u00fcvenlik uzmanlar\u0131 i\u00e7in \u00f6nemli bir ara\u00e7t\u0131r. Ancak, k\u00f6t\u00fc niyetli ki\u015filerin elinde tehlikeli bir silah olabilir. Bu nedenle,  sisteminizin g\u00fcvenli\u011fini sa\u011flamak i\u00e7in gerekli \u00f6nlemleri alman\u0131z elzemdir.<\/p>\n<p>Daha fazla bilgi i\u00e7in,  siber g\u00fcvenlik konusunda uzmanla\u015fm\u0131\u015f kaynaklar\u0131 inceleyebilirsiniz.  Kendi web sitemi olan <a href=\"https:\/\/fatihsoysal.com\">fatihsoysal.com<\/a>&#8216;dan da faydalanabilirsiniz.<\/p>\n<p>Umar\u0131m bu makale size TCP\/IP a\u00e7\u0131k port taramas\u0131 ve ilgili tehlikeler hakk\u0131nda daha fazla bilgi sa\u011flam\u0131\u015ft\u0131r.  Sorular\u0131n\u0131z veya g\u00f6r\u00fc\u015fleriniz varsa l\u00fctfen yorum yap\u0131n.<\/p>\n<p>Faydal\u0131 bulaca\u011f\u0131n\u0131z baz\u0131 kaynaklar: <a href=\"https:\/\/www.nmap.org\/\">Nmap<\/a>, <a href=\"https:\/\/dev.to\/alex_ricciardi\/tcpip-open-port-scanning-open-ports-hidden-dangers-5bej\">Dev.to Makale (\u0130ngilizce)<\/a><\/p>\n<p>#Etiketler: TCP\/IP, a\u00e7\u0131k port taramas\u0131, port taramas\u0131, g\u00fcvenlik, siber g\u00fcvenlik, a\u011f g\u00fcvenli\u011fi, a\u00e7\u0131k portlar, g\u00fcvenlik a\u00e7\u0131\u011f\u0131, nmap, zmap, firewall, g\u00fcvenlik \u00f6nlemleri<br \/>\n<\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"TCP\/IP A\u00e7\u0131k Port Tarama: A\u00e7\u0131k Portlar ve Gizli Tehlikeler Merhaba, ben Fatih Soysal. Bu yaz\u0131da, TCP\/IP a\u00e7\u0131k port&hellip;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-18266","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>TCP\/IP A\u00e7\u0131k Port Tarama: A\u00e7\u0131k Portlar ve Gizli Tehlikeler<\/title>\n<meta name=\"description\" content=\"Merhaba, ben Fatih Soysal. Bu yaz\u0131da, TCP\/IP a\u00e7\u0131k port taramas\u0131, a\u00e7\u0131k portlar\u0131n getirdi\u011fi riskler ve bunlardan nas\u0131l korunabilece\u011finiz konusunda detayl\u0131 bilgi verece\u011fim. \u00d6ncelikle, TCP\/IP protokol\u00fcn\u00fcn nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve portlar\u0131n ne i\u015fe yarad\u0131\u011f\u0131n\u0131 k\u0131saca \u00f6zetleyelim. Sonras\u0131nda ise a\u00e7\u0131k port taramas\u0131 tekniklerini ve bunlar\u0131n g\u00fcvenlik a\u00e7\u0131s\u0131ndan \u00f6nemini ele alaca\u011f\u0131z.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TCP\/IP A\u00e7\u0131k Port Tarama: A\u00e7\u0131k Portlar ve Gizli Tehlikeler\" \/>\n<meta property=\"og:description\" content=\"Merhaba, ben Fatih Soysal. Bu yaz\u0131da, TCP\/IP a\u00e7\u0131k port taramas\u0131, a\u00e7\u0131k portlar\u0131n getirdi\u011fi riskler ve bunlardan nas\u0131l korunabilece\u011finiz konusunda detayl\u0131 bilgi verece\u011fim. \u00d6ncelikle, TCP\/IP protokol\u00fcn\u00fcn nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve portlar\u0131n ne i\u015fe yarad\u0131\u011f\u0131n\u0131 k\u0131saca \u00f6zetleyelim. Sonras\u0131nda ise a\u00e7\u0131k port taramas\u0131 tekniklerini ve bunlar\u0131n g\u00fcvenlik a\u00e7\u0131s\u0131ndan \u00f6nemini ele alaca\u011f\u0131z.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/\" \/>\n<meta property=\"og:site_name\" content=\"Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-15T23:45:14+00:00\" \/>\n<meta name=\"author\" content=\"Fatih Soysal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fatih Soysal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/\"},\"author\":{\"name\":\"Fatih Soysal\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"headline\":\"TCP\/IP A\u00e7\u0131k Port Tarama: A\u00e7\u0131k Portlar ve Gizli Tehlikeler\",\"datePublished\":\"2025-04-15T23:45:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/\"},\"wordCount\":631,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/\",\"name\":\"TCP\/IP A\u00e7\u0131k Port Tarama: A\u00e7\u0131k Portlar ve Gizli Tehlikeler\",\"isPartOf\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\"},\"datePublished\":\"2025-04-15T23:45:14+00:00\",\"description\":\"Merhaba, ben Fatih Soysal. Bu yaz\u0131da, TCP\/IP a\u00e7\u0131k port taramas\u0131, a\u00e7\u0131k portlar\u0131n getirdi\u011fi riskler ve bunlardan nas\u0131l korunabilece\u011finiz konusunda detayl\u0131 bilgi verece\u011fim. \u00d6ncelikle, TCP\/IP protokol\u00fcn\u00fcn nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve portlar\u0131n ne i\u015fe yarad\u0131\u011f\u0131n\u0131 k\u0131saca \u00f6zetleyelim. Sonras\u0131nda ise a\u00e7\u0131k port taramas\u0131 tekniklerini ve bunlar\u0131n g\u00fcvenlik a\u00e7\u0131s\u0131ndan \u00f6nemini ele alaca\u011f\u0131z.\",\"breadcrumb\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/tcp-ip-acik-port-tarama-acik-portlar-ve-gizli-tehlikeler\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Anasayfa\",\"item\":\"https:\/\/fatihsoysal.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"TCP\/IP A\u00e7\u0131k Port Tarama: A\u00e7\u0131k Portlar ve Gizli Tehlikeler\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#website\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/\",\"name\":\"Fatihsoysal.com\",\"description\":\"Blog - Yaz\u0131l\u0131m D\u00fcnyas\u0131 Tecr\u00fcbelerim\",\"publisher\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/fatihsoysal.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"tr\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/002a254750921dcfd568a99e48240dd1\",\"name\":\"Fatih Soysal\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png\",\"contentUrl\":\"https:\/\/fatihsoysal.com\/blog\/wp-content\/uploads\/2024\/04\/cropped-replicate-prediction-3kgg1hgjn5rgp0cf0p5tr0jw7w-1.png\",\"width\":512,\"height\":512,\"caption\":\"Fatih Soysal\"},\"logo\":{\"@id\":\"https:\/\/fatihsoysal.com\/blog\/#\/schema\/person\/image\/\"},\"description\":\"Kullan\u0131m ve kodlama m\u00fckemmeliyetini odak alan uygulamalar olu\u015fturma deneyimine sahip, profesyonel olarak 15+ y\u0131l \u00fczeri deneyime sahip bir yaz\u0131l\u0131m m\u00fchendisi.\",\"url\":\"https:\/\/fatihsoysal.com\/blog\/author\/fatihsoysal\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"TCP\/IP A\u00e7\u0131k Port Tarama: A\u00e7\u0131k Portlar ve Gizli Tehlikeler","description":"Merhaba, ben Fatih Soysal. Bu yaz\u0131da, TCP\/IP a\u00e7\u0131k port taramas\u0131, a\u00e7\u0131k portlar\u0131n getirdi\u011fi riskler ve bunlardan nas\u0131l korunabilece\u011finiz konusunda detayl\u0131 bilgi verece\u011fim. \u00d6ncelikle, TCP\/IP protokol\u00fcn\u00fcn nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve portlar\u0131n ne i\u015fe yarad\u0131\u011f\u0131n\u0131 k\u0131saca \u00f6zetleyelim. 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