Centos 關閉 IPv6

Centos 關閉 IPv6


看linux上開了哪些port service 與 是否IPv6有開啟 ?

netstat -ntlp

Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name  
tcp        0      0 127.0.0.1:199               0.0.0.0:*                   LISTEN      1397/snmpd         
tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      1592/mysqld        
tcp        0      0 127.0.0.1:25                0.0.0.0:*                   LISTEN      1623/sendmail: acce
tcp        0      0 :::80                       :::*                        LISTEN      1641/httpd         
tcp        0      0 :::22                       :::*                        LISTEN      1429/sshd     


其中
tcp        0      0 :::80                       :::*                        LISTEN      1641/httpd         
tcp        0      0 :::22                       :::*                        LISTEN      1429/sshd

為 IPv6

如不需要該如何關閉 ?

step1
檢查NETWORK是否關閉 ?

vim /etc/sysconfig/network

NETWORK_IPV6=no

step2
modprobe.conf 添加 net-pf-10 ipv6
vim /etc/modprobe.conf

alias net-pf-10 off
alias ipv6 off

step3
關閉ip6tables

/etc/init.d/ip6tables stop
chkconfig ip6tables off

reboot

See also
How to diable IPv6 on Centos 6.x or RHEL 6.x