Re: VPN into PIX w/o cisco vpn client

From: Richard E. Silverman (slade@shore.net)
Date: 12/28/02 

From: slade@shore.net (Richard E. Silverman)
Date: 28 Dec 2002 15:57:16 -0500

>>>>> "RB" == Rodrick R Brown <rrbrown@dcas.nyc.gov> writes:

    RB> Hello I have recently been contracted to do some work for a client
    RB> and I need access the clients site via VPN using a proprietary VPN
    RB> client made by cisco the problem here is I only have unix machines
    RB> at home is it possible to configure my workstation talk to there
    RB> Cisco Pix 525 firewall via IPSEC/VPN w/o using this Cisco windows
    RB> only product ??

    RB> My local home firewall runs OpenBSD 3.2 and my workstation is a
    RB> FreeBSD 4.7 box

This is off topic -- the subject of this newsgroup is SSH.

Anyway -- it depends on what sort of VPN technique they're using. If it's
pure IPSec, then certainly you can make OpenBSD and the Cisco
interoperate; OpenBSD has IPSec in the kernel and IKE (isakmpd). If it's
PPTP, then that's not usually secured via IPSec but rather uses its own
(weak) security mechanisms. There are implementatinos of PPTP for Unix,
e.g. poptop.

If it's L2TP/IPSec, then you may be in trouble -- I don't know of a good
free implementation of L2TP yet; there is the l2tpd project, but the last
time I looked it was still pretty alpha and did not compile under
OpenBSD. That may have changed though. 

-- 
  Richard Silverman
  slade@shore.net

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