IP interface loopback action is a feature that allows user to change the way router handles routed packets for which egress port equals to ingress port. 1. When loopback action is configured to drop, ...

If you're running a small business with more than one computer, routers are usually a necessity. Routers provide small businesses with added security, a link between computer systems and extra ...

but it doesn't ensure that ip address (127.0.0.1) has been assigned to lo interface when running services. on a slow machine the kernel might not add the ip address to the lo interface in time for the ...

As I mentioned last time, L2TPv3 has a plethora of capabilities, including the capability to be used for remote access VPNs, the capability to transport a number of Layer-2 protocols in a pseudowire ...

Last month we used Firewall Builder to create a set of reusable objects for iptables policies. In this month's column, I show you how to use Firewall Builder to create two such rule sets: one for a ...