A Tale of SIP, RTP and the One Way Audio Issue
I’d tell you a UDP joke, but you might not get it! Nothing is more apt with…
Setting up a Raspberry Pi as a Console Switch
So this is pretty neat. It has already saved me once. Instead of buying an expensive console…
Big-IP iControl REST Remote Code Execution – CVE-2022-1388
So yeah, I’m late to the party on this one. The latest in a long list of…
VMware View Unified Access Gateway Proxy Pattern
I recently went through a VMware View upgrade from branch verison 2006 to 2111. Everything went well…
Setting up a Spring4Shell Lab CVE-2022-22965
As described by the Mitre CVE Database – A Spring MVC or Spring WebFlux application running on…
How To Stack a Cisco 3850/9300 Catalyst Switch
OK long time no post. That’s my bad. I have been busy rolling out Cisco Catalyst switching…
Palo Alto: URL Filtering not showing licensed
TLDR – Delete expired URL Filtering license once the Advanced URL Filtering license is installed! Or the…
Active Directory Takeover via CVE-2021-42287 & CVE-2021-42278
A new year and a yet another way to take over Microsoft Active Directory. Back in November…
Setting up a Log4Shell Lab CVE-2021-44228
A recently discovered vulnerability in the popular java logging tool Apache Log4j has been made public and…
Troubleshooting SIP/2.0 488 Not Acceptable Media
Last week I had an interesting issue with one of our SIP Voice circuits. Calls to a…