Centos 防火墙设置

来源：互联网发布：a1533支持什么网络编辑：程序博客网时间：2024/06/18 17:10

1.增加端口：
/sbin/iptables -I INPUT -p tcp --dport 8080 -j ACCEPT

2.保存配置：
/etc/rc.d/init.d/iptables save

3.重启防火墙：
/etc/init.d/iptables restart

4.检查是否生效：

/etc/init.d/iptables status

Table: filter
Chain INPUT (policy ACCEPT)
num target     prot opt source               destination
1    ACCEPT     tcp -- 0.0.0.0/0            0.0.0.0/0           tcp dpt:8080
2    ACCEPT     tcp -- 0.0.0.0/0            0.0.0.0/0           tcp dpt:21
3    RH-Firewall-1-INPUT all -- 0.0.0.0/0            0.0.0.0/0

Chain FORWARD (policy ACCEPT)
num target prot opt source destination
1 RH-Firewall-1-INPUT all -- 0.0.0.0/0 0.0.0.0/0

Chain OUTPUT (policy ACCEPT)
num target prot opt source destination

Chain RH-Firewall-1-INPUT (2 references)
num target     prot opt source               destination
1    ACCEPT     all -- 0.0.0.0/0            0.0.0.0/0
2    ACCEPT     icmp -- 0.0.0.0/0            0.0.0.0/0           icmp type 255
3    ACCEPT     esp -- 0.0.0.0/0            0.0.0.0/0