例：当修改了ssh远程连接端口，如何在iptables上放行新的端口（这里将默认22端口号修改为33端口号）。
网站资讯
渠道合作
解决方案
更多服务[root@niaoyun ~]# iptables -I INPUT -p tcp --dport 33 -j ACCEPT[root@niaoyun ~]# iptables -nvLChain INPUT (policy ACCEPT 0 packets, 0 bytes)pkts bytes target prot opt in out source destination0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:33295 23186 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED34 2310 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/00 0 ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/02342 200K REJECT all -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibitedChain FORWARD (policy ACCEPT 0 packets, 0 bytes)pkts bytes target prot opt in out source destination0 0 REJECT all -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibitedChain OUTPUT (policy ACCEPT 15 packets, 1412 bytes)pkts bytes target prot opt in out source destination[root@niaoyun ~]# service iptables saveiptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ][root@niaoyun ~]# service iptables restartiptables: Setting chains to policy ACCEPT: filter [ OK ]iptables: Flushing
- 上一篇：CentOS6.x实现单网卡双IP的方法
- 上一篇：Linux进程带宽占用查看工具 NetHogs
