Description: Ever need a stripped down, minimalist installation of Linux for ease of security and customization? Well then, ArchLinux is for you; once installed, it's a great base Linux server...
Read More 
I ran into a problem with an MR32 AP a while back with a client and it took a while to discover the true issue. I was working with a…
Setting up Teams Direct Routing has a couple difficult portions, especially when trying to get the TLS SIP trunk up and responding. After working to get Teams Direct Routing up,...
Read More 
If you need to create a site-to-site VPN between an ASA and Meraki Security Appliance, it’s fairly quick. I recommend using the CLI on the ASA for the configuration. ASA...
Read More 
I found an issue after replacing a WatchGuard firewall with a Cisco ASA 5516x. The WatchGuard was only configured with IPv4 on all of its interfaces. No IPv6 addresses were…
DHCP (Dynamic Host Configuration Protocol) DHCP (Dynamic Host Configuration Protocol) is a protocol for assigning dynamic IP addresses to devices on a network. A device can have a different IP...
Read More 
So I was trying to build a Route Based VPN from a Cisco ASA 5506x current code 9.4. I was following the Microsoft article here. I got everything set up…
Cisco announced on July 10th, 2019 that there is a vulnerability in the cryptographic driver for Cisco ASA software and FTD software that could allow an unauthenticated, remote attacker to…
If you need to upgrade the ROMMON version on your ASA, here is a quick guide. Note that you cannot downgrade ROMMON versions, only upgrade. Here are the steps to...
Read More 
I would like to go over a spanning-tree option that I use many times to “fix” some switch networks, BPDU-Filter. To start talking about BPDU-Filter, we will need to first...
Read More 