查看防火牆是否開啓 chkconfig iptables --listip
iptables 0:off 1:off 2:off 3:off 4:off 5:off 6:offtable
chkconfig --add iptables //iptables 添加到系統服務iptables
chkconfig --level 2345 iptables on //修改服務的默認啓動級別防火牆
如今再看chkconfig iptables --listtab
iptables 0:off 1:off 2:on 3:on 4:on 5:on 6:offco