iptables -R OUTPUT 1 -m state --state ESTABLISHED -j ACCEPT
iptables v1.6.1: Couldn't load match `state':No such file or directory
Replace "-m state --state " with "-m conntrack --ctstate"
iptables -R OUTPUT 1 -m conntrack --ctstate ESTABLISHED -j ACCEPT
本文转自 Linux_woniu 51CTO博客,原文链接:http://blog.51cto.com/linuxcgi/2058924