Common commands for CentOS7 iptables firewall

Common commands for CentOS7 iptables firewall

 

http://www.cnblogs.com/kreo/p/4368811.html

 

iptables -L

 

vi /etc/sysconfig/iptables

 

service iptables status

 

netstat -an | grep custom port

 

iptables -A INPUT -p tcp --dport custom port -j ACCEPT

service iptables save

systemctl restart iptables.service

 

netstat -tlanp | grep custom port