![Permalink to Allow All Traffic from an IPv4 Address through CentOS 7 Firewall](https://www.solvps.com/blog/wp-content/uploads/2017/08/centos-logo-banner-150x150.jpg)
In some CentOS 7 installations, the system firewall will block most incoming traffic by default. You may need to allow all traffic from a specific IP address, such as your local computer or management server, in order to log in to the server. We will use the new firewall-cmd tool to setup the firewall exception. […]