{"id":1073,"date":"2022-09-14T19:32:23","date_gmt":"2022-09-14T19:32:23","guid":{"rendered":"https:\/\/sunucucozumleri.com\/?p=1073"},"modified":"2022-10-09T19:11:08","modified_gmt":"2022-10-09T19:11:08","slug":"centos-6-ve-centos-7-ekstra-guvenlik-icin-ssh-port-degisimi","status":"publish","type":"post","link":"https:\/\/sunucucozumleri.com\/blog\/centos-6-ve-centos-7-ekstra-guvenlik-icin-ssh-port-degisimi\/","title":{"rendered":"Centos 6 ve Centos 7 Ekstra G\u00fcvenlik \u0130\u00e7in SSH PORT De\u011fi\u015fimi"},"content":{"rendered":"<p>Merhabalar,<br \/>\nMakalemizde Centos 6.X ve Centos 7.X kullan\u0131c\u0131lar\u0131 i\u00e7in SSH port de\u011fi\u015fimi nas\u0131l yap\u0131l\u0131r detayl\u0131 bir \u015fekilde anlataca\u011f\u0131z.<\/p>\n<p>\u015eu anda herkes, SSH ile sunucular\u0131na ba\u011flanmak i\u00e7in port 22&#8217;yi kullan\u0131yor. Bizim d\u00fc\u015f\u00fcncemize g\u00f6re, bir sald\u0131rgan\u0131n sunucunuzu hedeflemesini kolayla\u015ft\u0131rman\u0131n bir ba\u015fka yolu.<br \/>\nSunucunuzdaki SSH ba\u011flant\u0131 noktas\u0131n\u0131 de\u011fi\u015ftirmek zor g\u00f6r\u00fcnebilir, ancak asl\u0131nda yap\u0131lmas\u0131 olduk\u00e7a basittir. \u00d6ncelikle SSHD (SSH server daemon) konfig\u00fcrasyon dosyas\u0131n\u0131 d\u00fczenlemeliyiz.<\/p>\n<pre>nano -w \/etc\/ssh\/sshd_config\r\n<\/pre>\n<p>A\u015fa\u011f\u0131daki kodu konfig\u00fcrasyon dosyan\u0131zda herhangi bir yere ekleyebilirsiniz.<\/p>\n<pre>Port 2124  # SSH portunu 2124 olarak de\u011fi\u015fiyoruz\r\n<\/pre>\n<p>veya ilgili dosyada bulunan #PORT 22 \u015feklindeki b\u00f6l\u00fcm\u00fcn ba\u015f\u0131nda ki # i\u015faretini silerek 22 yazan k\u0131s\u0131ma port numaram\u0131z\u0131 belirtebiliriz. \u0130lgili i\u015flemlerin ard\u0131ndan, g\u00fcvenlik duvar\u0131n\u0131 g\u00fcncelleyece\u011fiz. G\u00fcvenlik duvar\u0131n\u0131 devre d\u0131\u015f\u0131 b\u0131rakt\u0131ysan\u0131z, bu ad\u0131m\u0131 atlay\u0131n. \u00d6rne\u011fimizde SSH ba\u011flant\u0131 noktas\u0131 2124 kullan\u0131yor. CentOS 6 kullan\u0131c\u0131lar\u0131 i\u00e7in \u015fu komutlar\u0131 \u00e7al\u0131\u015ft\u0131r\u0131n:<\/p>\n<pre>iptables -I INPUT -p tcp --dport 2124 --syn -j ACCEPT\r\nservice iptables save\r\nsemanage port -a -t ssh_port_t -p tcp 2124\r\n<\/pre>\n<p>Centos 7 i\u00e7in,<\/p>\n<pre>firewall-cmd --add-port 2124\/tcp --permanent\r\nfirewall-cmd --add-port 2124\/tcp\r\n<\/pre>\n<p>Yap\u0131land\u0131rma de\u011fi\u015fiklikleri \u015fimdi bitti. SSH servisini (SSHD) yeniden ba\u015flatal\u0131m<\/p>\n<pre>service sshd <a href=\"https:\/\/sunucucozumleri.com\/blog\/reboot-ve-restart-arasindaki-farklar-nedir\/\">restart<\/a>\r\n<\/pre>\n<p>\u0130yi \u00e7al\u0131\u015fmalar dileriz.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Merhabalar, Makalemizde Centos 6.X ve Centos 7.X kullan\u0131c\u0131lar\u0131 i\u00e7in SSH port de\u011fi\u015fimi nas\u0131l yap\u0131l\u0131r detayl\u0131 bir \u015fekilde anlataca\u011f\u0131z. \u015eu anda herkes, SSH ile sunucular\u0131na ba\u011flanmak i\u00e7in port 22&#8217;yi kullan\u0131yor. Bizim d\u00fc\u015f\u00fcncemize g\u00f6re, bir sald\u0131rgan\u0131n sunucunuzu hedeflemesini kolayla\u015ft\u0131rman\u0131n bir ba\u015fka yolu. Sunucunuzdaki SSH ba\u011flant\u0131 noktas\u0131n\u0131 de\u011fi\u015ftirmek zor g\u00f6r\u00fcnebilir, ancak asl\u0131nda yap\u0131lmas\u0131 olduk\u00e7a basittir. \u00d6ncelikle SSHD (SSH &hellip;<\/p>\n","protected":false},"author":1,"featured_media":1456,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1073","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux"],"acf":[],"_links":{"self":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts\/1073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/comments?post=1073"}],"version-history":[{"count":0,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/posts\/1073\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/media\/1456"}],"wp:attachment":[{"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/media?parent=1073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/categories?post=1073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sunucucozumleri.com\/blog\/wp-json\/wp\/v2\/tags?post=1073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}