How-To Setup IPv6 on Time Warner Cable with pfSense | TWC in most areas offers native IPv6. Here is how I got IPv6 working with pfSense in my area (Raleigh, NC) with router advertisements and stateless autoconfig!
Lower MTU on tun Device for OpenVPN Client | Network Manager in Debian and Ubuntu defaults to an MTU of 1500 for an openvpn tun interface. This caused me grief when tethering via T-Mobile and using openvpn. To make sure your openvpn connection works properly, you will need to adjust the MTU lower. Here is how!
Fix Wireless Disconnects in Linux | If your Linux wireless constantly disconnects, it could be from repeated attempts related to something called CRDA. Trying the following below may help fix this for you!
Block Geo-Region List of IPs with ufw in Linux | Say for instance you wish to block IP ranges by region such as blocking China. This is easy to do with one spiffy website and ufw in Ubuntu or other Linux distros. I’ll show you how!
What are the differences in closed, open, and filtered ports on a firewall? | Using nmap or other tools, you may have seen results that say open, closed, or filtered. Here is some insight into what this all means!