Challenges with Disabling 3Des

With the discovery of the sweet32 vulnerability (more at sweet32.info) in 3Des and 64-bit block ciphers in general, we had to see if it was possible to disable 3Des on our devices. You could be thinking, why have it enabled in the first place? Well, on Windows systems it’s enabled by default if you don’t… Continue reading Challenges with Disabling 3Des

Windows Update Error 0x80072ee2

For a while now I’ve been getting timeouts when using Windows updates through our proxy servers. Everything else seems to be working just fine, no complaints on browsing the web, it just seems that whenever I’m using Windows update through the proxy it takes a few times before it's successful. Up until now it wasn’t… Continue reading Windows Update Error 0x80072ee2

32 Bit Processes on 64 Bit Systems

On our systems we apply hardening policies by all kinds of available techniques. Being local policies, PowerShell scripts or classic batch files even. All the settings are eventually applied by a central installer that takes care of the installation, reboots and validation of the settings. Recently on one of our older systems we ran into… Continue reading 32 Bit Processes on 64 Bit Systems

The Microsoft Root Certificate Program

A couple of days ago I had to deal with a situation where our vulnerability tool was complaining that the root certificate store wasn’t updated for a while. After doing some research it turned out that the update service for the Microsoft root certificate program was blocked. That in turn triggered me to dig into… Continue reading The Microsoft Root Certificate Program

Manually setting Windows Firewall Profiles

What has always bugged me to some extend is that Microsoft removed the possibility to set the Windows firewall profile to my own liking. Not just let Windows decide what’s best. It normally does a pretty good job, but there are occasions where you want to change it manually. Unfortunately, in the network center, there’s… Continue reading Manually setting Windows Firewall Profiles