关闭IPv6

By Jack
July 24, 2021 in CentOS / Rocky Linux

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Posted July 24, 2021

如果云服务商给你IPv4与IPv6，你可以选择关闭IPv6

修改
vi /etc/sysctl.conf

底下加入
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1

保存并离开
:wq

重启
sudo reboot

再确认，查看系统是否启用IPv6，没反应就是已关闭IPv6
ifconfig -a | grep inet6

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