如何开启iptables中的http和email服务端口

# 开启HTTP端口:   http=80  https=443   tomcat=8080

/sbin/iptables -A INPUT -p tcp –source-port 80 -j ACCEPT
/sbin/iptables -A INPUT -p tcp –source-port 443 -j ACCEPT
/sbin/iptables -A INPUT -p tcp –source-port 8080 -j ACCEPT

# 开启Email端口:   stmp pop sendmail 等
/sbin/iptables -A INPUT -p tcp –source-port 25 -j ACCEPT
/sbin/iptables -A INPUT -p tcp –source-port 110 -j ACCEPT
/sbin/iptables -A INPUT -p tcp –source-port 143 -j ACCEPT
/sbin/iptables -A INPUT -p tcp –source-port 993 -j ACCEPT