{"id":546,"date":"2025-09-10T13:15:06","date_gmt":"2025-09-10T10:15:06","guid":{"rendered":"https:\/\/destek.narhost.com\/?p=546"},"modified":"2025-10-26T14:21:29","modified_gmt":"2025-10-26T11:21:29","slug":"sunucuza-iptables-ile-ping-atilmasini-engellemek","status":"publish","type":"post","link":"https:\/\/narhost.com\/destek\/sunucuza-iptables-ile-ping-atilmasini-engellemek\/","title":{"rendered":"Sunucuza IPTables ile Ping At\u0131lmas\u0131n\u0131 Engellemek"},"content":{"rendered":"

Sunucunuza d\u0131\u015far\u0131dan yap\u0131lan ICMP Echo (ping)<\/strong> isteklerini engellemek, temel d\u00fczeyde bir g\u00fcvenlik \u00f6nlemidir. \u00d6zellikle sald\u0131r\u0131 ama\u00e7l\u0131 yap\u0131lan ping flood (ping seli)<\/strong> gibi ICMP tabanl\u0131 sald\u0131r\u0131lardan korunmak istiyorsan\u0131z bu i\u015flemi uygulaman\u0131z \u00f6nerilir.<\/p>\n

Narhost olarak a\u015fa\u011f\u0131da, Linux sunucular\u0131n\u0131zda iptables<\/code> komutlar\u0131yla ping isteklerini nas\u0131l engelleyece\u011finizi<\/strong> ad\u0131m ad\u0131m a\u00e7\u0131kl\u0131yoruz.<\/p>\n

\n

\ud83d\udeab Sunucuda Ping Cevaplar\u0131n\u0131 Engelleme<\/h2>\n

A\u015fa\u011f\u0131daki komutlar ile sunucunuza gelen ping (ICMP echo-request)<\/strong> isteklerini tamamen engelleyebilirsiniz:<\/p>\n

\n
\n
\n
<\/div>\n<\/div>\n<\/div>\n
iptables -A INPUT -p icmp --icmp-type echo-request -j DROP
\n<\/code><\/div>\n<\/div>\n

veya alternatif olarak tekrar yazmak isterseniz:<\/p>\n

\n
\n
\n
<\/div>\n<\/div>\n<\/div>\n
iptables -A INPUT -p icmp --icmp-type 8 -j DROP
\n<\/code><\/div>\n<\/div>\n

\ud83d\udccc A\u00e7\u0131klama:<\/strong><\/p>\n

    \n
  • \n

    icmp-type echo-request<\/code> veya icmp-type 8<\/code>, gelen ping isteklerini temsil eder.<\/p>\n<\/li>\n

  • \n

    DROP<\/code> ifadesi, bu paketlerin tamamen g\u00f6z ard\u0131 edilmesini sa\u011flar.<\/p>\n<\/li>\n<\/ul>\n

    \n

    \ud83d\udd01 De\u011fi\u015fiklikleri Kal\u0131c\u0131 Yapmak (Opsiyonel)<\/h2>\n

    Sunucunuzu yeniden ba\u015flatt\u0131\u011f\u0131n\u0131zda iptables<\/code> kurallar\u0131 s\u0131f\u0131rlanabilir. Kal\u0131c\u0131 olmas\u0131n\u0131 istiyorsan\u0131z, a\u015fa\u011f\u0131daki komutlar\u0131 kullanarak kurallar\u0131 kaydedin:<\/p>\n

    Debian\/Ubuntu sistemlerde:<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    sudo apt install iptables-persistent
    \nsudo netfilter-persistent save
    \n<\/code><\/div>\n<\/div>\n

    CentOS\/AlmaLinux\/RHEL sistemlerde:<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    sudo service iptables save
    \n<\/code><\/div>\n<\/div>\n
    \n

    \u2705 Ping Engelleme Durumunu Kontrol Etme<\/h2>\n

    Ekledi\u011finiz kural\u0131n aktif olup olmad\u0131\u011f\u0131n\u0131 kontrol etmek i\u00e7in a\u015fa\u011f\u0131daki komutu kullanabilirsiniz:<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    iptables -L -n
    \n<\/code><\/div>\n<\/div>\n
    \n

    \ud83d\udd04 Ping Cevaplar\u0131n\u0131 Tekrar A\u00e7mak \u0130\u00e7in<\/h2>\n

    E\u011fer daha sonra sunucunun ping isteklerine yan\u0131t vermesini isterseniz, a\u015fa\u011f\u0131daki komut ile ilgili DROP<\/code> kural\u0131n\u0131 silebilirsiniz:<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    iptables -D INPUT -p icmp --icmp-type echo-request -j DROP
    \n<\/code><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

    Sunucunuza d\u0131\u015far\u0131dan yap\u0131lan ICMP Echo (ping) isteklerini engellemek, temel d\u00fczeyde bir g\u00fcvenlik \u00f6nlemidir. \u00d6zellikle sald\u0131r\u0131 ama\u00e7l\u0131 yap\u0131lan ping flood (ping seli) gibi ICMP tabanl\u0131 sald\u0131r\u0131lardan korunmak istiyorsan\u0131z bu i\u015flemi uygulaman\u0131z \u00f6nerilir.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,13],"tags":[],"class_list":["post-546","post","type-post","status-publish","format-standard","hentry","category-vds-server","category-vps-server"],"meta_box":[],"_links":{"self":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/comments?post=546"}],"version-history":[{"count":2,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/546\/revisions"}],"predecessor-version":[{"id":732,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/546\/revisions\/732"}],"wp:attachment":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/media?parent=546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/categories?post=546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/tags?post=546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}