I know, there’s dozens and dozens of lists of Firefox plugins out there, but I just have to add my own. I really like Chrome a lot, but I just can’t switch due to my heavy reliance on add ons. Here’s a list of a few of my favorites, some IT-focused, some not. Read on for a list of useful addons.
Virtual Private Networks (VPNs) offer a way to securely connect different locations that are both connected to the Internet. Internet VPNs are way cheaper than private lines leased from a telco company, but unfortunately they are often much less reliable. Many times, when an Internet VPN “drops”, distant offices are no longer able to communicate — as network administrators, we want to know so we can fix it before our users notice anything!
This post shows one way to monitor site-to-site VPNs configured on a Cisco ASA firewall using SNMP and Nagios.