Category: pfSense

Certificates and pfSense, how to sign cert requests

pfSense is a neat firewall based on the FreeBSD operating system. The firewall will by default act as a CA (Certificate Authority) issuing certificates to firewall users and services. Certificates typically used by “internal” VPN clients and for running a secure https management session to the firewall. But you may have external boxes that needs certificates too. …

Continue reading

Dynamic DNS and pfSense

This post describes the basics concepts, and I have tried to make it as short and non-technical as possible. IP addresses Computers address each other using IP addresses. IP addresses of the form 172.16.16.100 (IPv4 dotted-decimal notation defined by the TCP/IP protocol).  When a computer sends a “data packet” to another computer, it´s labelling the packet with a …

Continue reading

Xbox Live, firewall ports and NAT (English)

It is quite disappointing that Microsoft fails to properly document how the Xbox One communicate with the rest of the world. You can find a Microsoft document describing the Xbox´s port usage here: http://support.xbox.com/.. If someone ask a network administrator to open these ports, the administrator is probably going to shake his head and say no. The …

Continue reading