Managing VPNs from the CLI in Linux

Since I have finally made the switch on my work laptop to use Linux (Ubuntu 12.10) as my primary OS, I have found a few bugs that slow me down on a regular basis. ¬†One of the bugs is that the nm-applet will stop working correctly and won’t let me make any changes to the ...

Juniper to Cisco VPN

In order for a VPN to work between Cisco and Juniper, each subnet needs to be defined on the Juniper firewall as a proxy-id. The juniper firewall also requires “policies” to be created to allow all of this traffic. Two policies are necessary for each local to remote subnet – one for each direction the ...

Decrypt Pre-shared key for Cisco IPSEC VPN

There are a couple ways to retrieve a pre-shared key for a Cisco IPSEC VPN. The easiest way is to actually get it from the running config on the ASA. Unfortunately using a show run will only give you asterisks for the PSK, but you can use this command to see the PSK in the ...