Background For the last four years I’ve been using the DHCP and DNS server roles on my Microsoft 2003 R2 server to form a DDNS (Dynamic DNS) solution and it’s been working well. It’s a fairly simple setup where: A client device on the local subnet makes a DHCP request. DHCP server responds with an… Read more »

Introduction. Background. I had already build a VoIP system using CentOS (another Unix-like OS) as a base with trixbox CE providing the VoIP telephony. It was a fun project and for all the same reasons I wanted to do something similar for our messaging. I naturally (or some may argue un-naturally) started thinking about Microsoft… Read more »

In the beginning, god created monkey… Recovering secret passwords on Cisco Catalyst 2900, 3500XL, 2940, 2950, 2955, and 3550 switches. So you read the article about creating longer more secure passwords and then ran out to all your catalyst switches and promptly changed all the enable passwords to make them more secure. But fat fingers… Read more »