smtp protection

Linux CentOS 7 – Firewall Made Easy

By Feat Out|2020-08-14T03:21:46-05:00August 14th, 2020|Categories: Firewall, Linux Networking, Linux System, Network Security, Networking|Tags: accept incoming connection, centos 7 firewall, centos 7 firewall configuration, firewall accept incoming, firewall block outgoing, firewall-cmd, firewalld, smtp protection|

You should not work hard to manage firewall by iptables, from CentOS 7 the firewall management is very easy with firewalld command. Firewall Status First check to see the firewall status, if firewall is installed. systemctl is-active firewalld If already installed you will get the status, or else you will get an error result if not [...]