Updating the cert on a Synapse Matrix standalone server

As usual, logging this so I don't lose track of it later: https://www.linode.com/community/questions/18963/certbot-error-problem-binding-to-port-80 And the original content in case it goes missing: This is a common CertBot error when using the Standalone plugin (--standalone flag) during the certificate renewal/creation process.…

MFA in Office 365, not talkin' bout Azure

Microsoft is frustratingly vague about support for basic MFA in all Office 365 offerings.  They have these lists of feature support across different packages, which go into great detail and yet don't include basic MFA.  Maybe this post will get up in the rankings so others don'…

OpenVAS for simple vulnerability scanning

I've been looking for a simple security vulnerability scanning tool for a while now.  OpenVAS looked promising in the past, but I always had trouble getting it to work.  I decided to work through it this weekend and figure out what I was doing wrong.  In a nutshell,…

Ubiquiti USG site to site VPN with a single controller

Quick note about how to make this work.  If you want to have two Unifi Security Gateways connect to a single controller at one location, you need to open up a couple of ports.  Specifically, 8080 and 8443 need to be open to the controller.  I strongly suggest you make…

Grandstream GXV3610 disassembled

In the interest of completeness I'm posting my pictures here to show what the inside of the GXV3610 looks like. I couldn't find this anywhere else, so here it is: My goal was to remove the cable from the backside of the ball and run it…

Logitech 700e security camera disassembly

My 700e security camera failed after a couple years of use.  I got a Grandstream replacement, which I'll also post about, so I figured it would be good to take the 700e apart and see if I could figure out what went wrong.  Figure it out I did.…

Grandstream GXV3672 internals

I've had a Logitech 700e outside the house for a while.  For some reason it died recently, first working intermittently, and now not working at all. I've been looking at the Grandstream GXV series cameras, but I've been able to find little information about…