IPSec Pass-thru?

Steve Bertrand iaccounts at northnetworks.ca
Tue May 27 08:15:04 PDT 2003

> I've got a FreeBSD RELENG_4 firewall/NAT box on my home network.  I
> need to use a Cisco Pix VPN client from within the NAT'd network,
> through the FreeBSD box, out to the corporate gateway.
> Can any of the FreeBSD firewalls (ipfw/ipf/etc) allow this pass-thru?
> Or do I need to look at a Linksys appliance or something else?

You should be able to do simple redirect_port with 'esp' and 'ah' (check
/etc/services for port numbers) and port 500 for IKE through natd.

Haven't tried it personally, but I can't see why it won't work.


> Thanks,
> Wade
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