网络连接正常,下面是我的iptables配置,大神帮看看有没有问题.谢谢.

# Generated by iptables-save v1.4.7 on Wed Jun 22 19:43:29 2016
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [1:52]
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
-A INPUT -m state --state ESTABLISHED -j ACCEPT
COMMIT
# Completed on Wed Jun 22 19:43:29 2016