in the client set the advanced settings to allow for NAT Transparency.
Then it will work for you.

On Wed, 5 Nov 2003, Michael C. Ibarra wrote:

> OK, braindead question maybe but, how did you do it? Do you have more than one
> IP address and do a one-to-one IP NAT, or one-to-one port NAT (pat)? I am using
> just one dyn assigned IP address and perhaps I am not opening the right ports?
>
> Thanks,
>
> -mike
>
> Quoting Manuel Kasper <mk at neon1 dot net>:
>
> > On 05.11.2003, at 14:48, Michael C. Ibarra wrote:
> >
> > > I was wondering if anyone has been able to sucessfully connect to a
> > > Cisco VPN
> > > concentrator from inside of a m0n0wall firewall, using the Cisco VPN
> > > client
> > > software (windows based)
> >
> > Yep, I can definitely confirm that the Cisco VPN client works behind
> > m0n0wall. I have to use it to get into the network of the university
> > I'm currently studying at from home, and it works like a charm both
> > under Windows and Mac OS X (it's got a UDP tunneling mode, though, so
> > it should even work with the most braindamaged firewalls ;).
> >
> > > Also, has anyone started to look into deploying and/or
> > > adding vpnc to m0n0? (see below)
> > > http://www.unix-ag.uni-kl.de/~massar/vpnc/
> >
> > Not sure if I would want a client for a commercial/proprietary VPN
> > product in m0n0wall...
> >
> > - Manuel
> >
> >
>
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