Path MTU Discovery and Filtering ICMP

January 22, 2007

I’m posting this for historical purposes. It’s disappeared from it’s original location. There was a time I would reference it: Path MTU Discovery and Filtering ICMP Marc Slemko <marcs@znep.com> Created: Thursday, January 18 1998 Last Modified: This document explains the details of how path MTU discovery (PMTU-D) combined with filtering ICMP messages can result in […]

ipwfadm script for Cable Modem or DSL

January 15, 2007

Originally posted December 30th 1998 on my old website. Today it would have been considered a blog. Does that mean that I’ve been blogging almost 10 years? Original location:http://www.pasadena.net/linux/linuxsecure.html #!/bin/sh## My ipfwadm rules on a Cable Modem### Use at your own risk! # My external ip address:# EXTIP="169.254.2.2/32" ## Misc. startup:#echo "1" > /proc/sys/net/ipv4/ip_forwardsbin/depmod -a/sbin/modprobe […]