Brad's Blog

Net Neutrality 2008-08-13

Save the Internet | Rock the Vote

wifit - an iwconfig tool 2007-02-08

I've recently installed Mepis Linux on a couple of laptops (a Compaq Presario 2195US and a Dell Latitude D610, both of which use NdisWrapper for wifi drivers).I'm fairly mobile, so I needed a way to quickly change my wireless settings. I wrote this simple bash script to let me do that, and I thought I'd just share it.#!/bin/bash## wifit - the wifi tool## This is a script that accepts a wifi-enabled interface, ## essid, and an ...

Blocking outgoing UDP traffic using iptables 2007-01-03

Since rebuilding my server (after having it used to propogate a UDP flood DoS attack), I’ve been advised that I should set up iptables to block any unnecessary outbound UDP traffic. So, how do I do this?Well, the first thing I’ll do is update my apt repository, and install iptables using the following two commands:apt-get updateapt-get install iptablesNow, the quick and dirty solution is to just add append a rule that blocks all outgoing UDP packets from my ...