Firewall blacklist

One of my current projects is configuring ISA 2004 as a firewall. Without wanting to get sidetracked into advocacy debates, all I’ll say is that: a) It’s a lot better than ISA 2000. b) It’s annoying that it doesn’t support more than one internet connection, so hopefully they’ll fix that in ISA 2006. Anyway, today …

Digital certificates

I’ve been taking an interest in computer security recently, and as part of that I’ve been investigating digital certificates, primarily in the context of code signing (e.g. applications/macros/plugins). There seem to be two main misconceptions here (at opposite ends of the scale), which are worth addressing: 1. “If something has been signed then it’s safe.” …

Event Viewer problems

I’m currently spending an exciting Friday night in the office. Specifically, I’ve been fixing a Windows 2000 PC that’s been running extremely slowly for the past few days. I’ve got that problem solved now (I’m just sticking around to do general maintenance on it), and I thought it was worth documenting here, in case anyone …

70-165: Microsoft Visual Basic 5.0 Programming

Introduction I recently decided to become a Microsoft Certified Professional (MCP), starting with the VB 5 exam. I passed it with a score of 898/1000, which I’m pleased about. I can tell you what I did to prepare for this exam, although I can’t guarantee that the same thing will work for you. I should …