Oct 30 2015
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. …
Oct 27 2015
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 …
Oct 06 2015
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 …
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