routerjockey

IP Infusion powering the world from behind the scenes

Founded by Kunihiro Ishiguro and Yoshinari Yoshikawa the founders of GNU Zebra, came together to form IP Infusion back in 1999 as a commercial-grade, hardware-independent …

PNDA provides scalable and reactive network analytics

During Networking Field Day 15 our friends from the Linux Foundation, including Lisa Caywood, briefed us on a recent “acquisition” from Cisco. PNDA (Panda) is an open source …

Poor man's VPN connection

Have you ever needed to access a site that had an IP restriction, or one inside your remote network? Recently I need to access a customers remote monitoring site, but its …

Netcat – secret weapon

Netcat or nc, is a forgotten tool in too many arsenals these days. It lays dormant waiting at the command line to make connections across the globe for you. Knowing how to use it, …

Mail Server Relay Testing

As you may know, I am not big in the server world, even less into mail servers. They make me sick. But, today I found a nifty little tool you can use to test your mail server …

Setting up Apple Filing Protocol and Bonjour under Debian

Got a Mac ? Got a Linux box that you use as a file server on your home network? Sick of problems with samba? So was I, until today when I decided to figure out how to setup Apple …

Securing SSH against bruteforce attacks

This is one of the methods I’ve used in the past to secure a Linux host against brute force ssh attacks. While its not a perfect method, it does a good job of preventing 100s of …

Regular Expression Basics

Before I even get started, I want to mention that not all regular expression metacharacters are supported in every application. Keep this in mind when building your matches. …

Layer 2 Ethernet transport over OpenVPN

Tony Mattke
Routing
1 min read

One of the things I used to deploy frequently at my previous position was transport for other ISPs and businesses. Since MPLS support is in its infancy on the Imagestream platform, …

SSH Wrapper Script

Ok — this is my first script that I’m posting here. Its a VERY simple ssh wrapper script that you can place in your path, preferably in ~/bin bash #!/bin/bash …