(racoon 900) Racoon and NAT

Hi,

I have been tring to use the KAME/racoon implementation of IPSEC(ESP Tunnel mode) in the following situation where there is NAT. I however had very little success and have not been able to find any relevant documentation. I was wondering if there id anyone could tell me if it is possible to implement IPSEC (ESP Tunnel mode) using racoon in the following network setup and if so where I can find how to do it.

FREEBSD-5.3_Stable(GateA)---NAT(A)-------------NAT(B)---WindowsXP(GateB)
Server                               Internet

where the FreeBSD server ipsec gateway and the WindowsXP ipsec gateway have private addresses which are then NAT'd to public addresses to be able to traverse the internet.

Regards

Rekkie

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