Exchange 2007 – firewall problems on Windows 2008

In Windows 2003, the local firewall was turned off by default. You could enable it, but you had to be careful about defining all your exceptions; unlike a PC running Windows XP, you presumably want people to be able to connect to your server! Finding a list of all the relevant ports/protocols could be difficult, […]

MazeBot 1

Today, I have mostly been breeding robots… Back in my undergrad days, I learnt about “genetic algorithms”. The basic idea is that rather than designing a computer program yourself, you allow one to evolve: the equivalent of natural section. I’ve taken advantage of the break between Christmas and New Year to experiment with this; I’m […]

Integrated Windows authentication in web browsers

A while back, I was setting up an internal website (on a Windows domain with Active Directory), where I needed to identify each person who connected to it. IIS has an option for “integrated Windows authentication”: the idea is that if you’re already logged into the domain then you don’t have to provide a new […]


On Monday morning I took the Vista upgrade exam (70-621). I passed it with a healthy margin (pass mark was 700/900 and I scored 820/900), so I’m happy with that, and it gives me two extra certifications: Microsoft Certified Technology Specialist (Microsoft Windows Vista: Configuration) Microsoft Certified IT Professional (Enterprise Support Technician)