Modern Protocol Problems with an Old Firewall
Legacy systems are part of any mature technical environment. While I was a combination of both impressed and shocked when recently presented with a SunOS 5.7 box (OS dated 1998!) I had to assist...
Category: IT
Reading Cart Chunk with PowerShell
Look at the audio files in any professional radio playout system. They’ll likely be linear WAVE files with the associated metadata stored in the cart chunk format. With this information it’s usually enough to...
NATing (well, PATing) Specific Address Ranges on a Fortigate
It’s a simple little thing I struggled to find any real documentation on but can entirely be done on Fortigate firewalls. The challenge was simple – take a network of made of globally routable...
First Steps into OpenDaylight with Brocade
It’s not often that catch-up meetings with vendors lead to anything particularly exciting but a recent one I attended with Brocade was a little different. While Brocade have had Openflow support for a very...
Logging Failure Reasons in FreeRADIUS
FreeRADIUS is an incredibly powerful RADIUS server and a tool I’m currently taking through a proof of concept as a possible replacement for Microsoft NPS. While the debug output of FreeRADIUS is fantastic in...
LLDP, Voice and Port Security on Comware 7
Getting a practical deployment of 802.1x on the wired network running Comware 7 is something that’s been on my radar for a while now. Until recently, we had a working (for our system) configuration...
I’ll Take the High Road…
When does a URL not take you where you expect? Usually only when something’s wrong. However, I recently encountered a URL that would result in a browser taking a rather long path to the...
Secure Your Network, Break Your Branding
It’s not often I look at a headline I’ve written and think “are you serious”? But this one’s for real. The problem is with Windows 10 and the deployment of an 802.1x Group Policy...
Virtualizing the Campus Network
I’ll be the first to admit that I never really intended to be talking about in-depth networking topics when I started this blog a few years back. However, that’s been where a lot of...
Some Experiments in OpenStack
As a little side project, I’ve been toying with OpenStack to replace ESXi on a couple of old servers I’ve got in a lab. Now that it’s up and running, I must say I’m...
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