Using Netstat to Find Out What Ports are Open March 19, 2019 The netstat command shows the services listening to ports on a Linux server and the details of any connections currently made to them. The…
Enable Firewalld on Centos 7 February 18, 2019 It is highly recommended that you have a firewall protecting your server. These instructions are intended specifically for enabling and starting Firewalld on CentOS 7. 1234#enable…
Opening a Port with Firewalld February 18, 2019 This simple example will open required TCP and UDP ports for uPnP traffic on a local LAN. I typically keep a firewall enabled on…
Enabling Routing on Centos 7 with firewalld February 16, 2019 I put together a simple script to enable routing on a Centos 7 box with a dual NIC configuration. It has two prompts, one…
