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 networking software company. If you’re not familiar with Zebra, you probably know it’s little brother Quagga which powers everything from Cumulus Linux to Vyatta and even my old digs.. Imagestream […]
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 restricted to a small subnet of IPs. They had no VPN setup for me, so I had to come up with something new… The […]
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, could ease many of your day to day tasks. Simply put, netcat creates a TCP socket either in listening mode (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 Filing Protocol (AFP) and Bonjour under Linux, debian in my case. In the following tutorial, we’re […]
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 brute force entries in your syslog. Tony MattkeNetwork engineer turned management currently servicing the enterprise data center market. I […]
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. Regular expressions are made up of normal characters and metacharacters. Normal characters include upper and lower case letters and numerals. The metacharacters have special meanings and can […]
