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RE: [FW1] One-way VPN
All Firewall-1 rules are one-way, even encrypts.
So if you have a rule saying
Source Destination Service Action
Remote-net DMZ-net http Encrypt
This does not imply any connections can be instigated from the DMZ to the
Remote LAN.
Paul.
-----Original Message-----
From: Steve [mailto:[email protected]]
Sent: 12 October 2000 17:41
To: [email protected]
Subject: [FW1] One-way VPN
Got a really tricky one here.
I have a Firewall at HQ with three interfaces:
LAN, DMZ and INTERNET.
A remote Firewall with LAN and INTERNET only.
I have successfully established a VPN between LANs.
However I want to establish a VPN between the remote LAN and the DMZ at HQ.
The problem is that it must be one way. i.e. Remote LAN can access DMZ.
DMZ cannot access (initiate connection with) Remote LAN.
At first we tried establishing a VPN between remote LAN and DMZ and then
adding a rule on the remote side to drop all packetes originating from the
DMZ. Unfortunately this dropped returning VPN packets that originated from
remote LAN aswell as connections initiated from the DMZ.
Is it possible to set up this sort of one way trust VPN?
Cheers,
-Steve
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