[VPN] Completely transparent VPN between NATed sites

Ryan Malayter rmalayter at bai.org
Fri Aug 15 12:26:40 EDT 2003


We have just such a setup, and every protocol or application I've tried has worked fine. To the machines on each netowrk, the VPN tunnel look just like a plain old "pass-everything" router.


-----Original Message-----
From: René Matthäi [mailto:matthaei at gmx.de] 
Sent: Friday, August 15, 2003 5:00 AM
To: vpn at lists.shmoo.com
Subject: [VPN] Completely transparent VPN between NATed sites


Hi,

do you think it is generally possible to run a setup such as


LAN-A ----- FW/NAT =====(internet)===== FWL/NAT ----- LAN-B
192.168.1.x                                           192.168.2.x


so that _everything_ works, including FTP, LDAP, H.323...?

I mean, practically possible :-)

I am interested in both suggestions for specific hardware and also 
especially the OpenSource solutions FreeS/WAN, KAME and builtin ipsec 
under the *BSDs.

Greetings,

René


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