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手当たり次第IPv6を無効にしてみる

Last updated at Posted at 2020-10-09

はじめに

最近は、いろんなサービスがIPv4, IPv6のいずれにも対応している。
今回そんなサービスたちをIPv4のみに限定してしまおう。

Apache(http)

/etc/httpd/conf/httpd.conf
#Listen 80
Listen 0.0.0.0:80

Apache(https)

/etc/httpd/conf.d/ssl.conf
#Listen 443 https
Listen 0.0.0.0:443 https

ssh

/etc/ssh/sshd_config

#AddressFamily any
AddressFamily inet

MySQL(v8)

/etc/my.cnf.d/mysql-server.cnf
[mysqld]
bind-address=127.0.0.1
mysqlx-bind-address = 127.0.0.1

PostgreSQL

pg_hba.conf
#host    all             all             ::1/128                 trust
host    all             all             127.0.0.1       255.255.255.255     trust
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