FIXME: Write this
Andreas Jellinghaus <aj@dungeon.inka.de> reports: "win2k: it works. pre_shared key with ip address for authentication (I don't think windows supports fqdn or userfqdn strings). Certificates should also work, didn't try.".
Peter Bieringer reports:
Here are some results (tunnel mode only tested, auth=SHA1): DES: ok 3DES: ok AES-128: ok AES-192: not supported by CP VPN-1 AES-256: ok CAST* : not supported by used Linux kernel Tested version: FP4 aka R54 aka w/AI
More information here.