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See Also iptablesUnix-like Utilities


Firewalld is the new userland interface in RHEL 7. It replaces the iptables interface and connects to the netfilter kernel code. It mainly improves the security rules management by allowing configuration changes without stopping the current connections.

1. Usage

##if Firewalld is running
# systemctl status firewalld
##opening port 80 in firewalld
# firewall-cmd --add-port=80/tcp --permanent

2. Reference

MainWiki: firewalld (last edited 2015-03-28 09:47:37 by twotwo)