Troubleshooting IPSec on OpenBSD 4.5

Fri 03 September 2010 Tags:

saving a copy of this here since things on the interweb tend to disappear.

There is some very good info here specifically, I found the following hints helpful:

isakmpd -d
Start isakmpd with isakmpd -d. Isakmpd will output things like wrong file permissions and typos in the configuration file. On …

IPSec notes...

Thu 10 September 2009 Tags:

Updates to OpenBSD's IPSec support back in 2007. very kick ass.

This is a nice easy reference for 2 OpenBSD peers creating an IPSec VPN:

And the short version of the above:

Tue 12 May 2009 Tags:

I found this nice article on security focus covering step by step instructions for creating a site to site IPSec tunnel.

http://www.securityfocus.com/infocus/1859

Using this as a reference I've been setting up LAN-to-LAN IPSec VPNs for work. Works great with Cisco VPN Concentrators and Nokia IPSO …