Category: Networking

Introductory iptables (Linux Firewall)

Iptables is a program that allows an administrator to configure the tables provided by the Linux kernel firewall and the chains and rules it stores. Different kernel modules and programs are currently used for different protocols; iptables applies to IPv4,

Posted in Linux, Networking

T1 Crossover Cables

When you are bench testing equipment for a WAN environment, it’s useful to bring up the WAN interfaces and know that there are no provider issues. With this simple two pair cable, you can connect two routers directly to one

Posted in Networking