Subject: Re: IPSec/NAT forwarding
To: Herb Singleton <hsingleton@mac.com>
From: Bill Studenmund <wrstuden@zembu.com>
List: port-mac68k
Date: 03/08/2001 12:38:51
On Wed, 7 Mar 2001, Herb Singleton wrote:
> On Tue, 6 Mar 2001, Herb Singleton wrote:
>
> > Has anyone had any luck forwarding IPsec packets
> > through IP NAT?
>
> > Any ideas if/how to configure IPNAT rules to allow
> >these connections through? I am
> > currently using Erik Winkler's ipf.conf (with a few
> > modifications).
>
> I am going to answer my own question for the
> sake of the archives and newbies:
>
> Assuming the IPsec tunnel is using esp packets (AH
> packets will never work through NAT) put the following
> line in your ipnat.conf file:
>
> rdr sn0 0/0 port 0 -> your.internal.ip.address port 0 esp
>
> This line redirects all esp packets to a specific host in
> your internal network. The downside is that this only works
> for a single internal address.
How exactly are you tunneling your vpn around?
Take care,
Bill