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VPN L2TP/IPSec through B2B FW to FW

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VPN L2TP/IPSec through B2B FW to FW - 27.Feb.2004 5:49:00 PM

ncoker

Posts: 2
Joined: 25.Oct.2002
From: Germany
Status: offline

Hello we have setup a Back(ISA2000) to Front(ISA2004) FW Firewall to a location with a ISA2004 Firewall. PPTP is working great but we are not able to tunnel ipsec through the front Firewall. All connections from the location outside ends at the listener from the frontfirewall. we need a connection from the location through the front to the back .
if we install a isa 2000 front server is works configured like the vpn guide from mr. shinder!
But how does it work with isa 2004 ?????

Post #: 1

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RE: VPN L2TP/IPSec through B2B FW to FW - 27.Feb.2004 11:43:00 PM

tshinder

Posts: 47439
Joined: 10.Jan.2001
From: Texas
Status: offline

Hi Ncoker,

Thanks!

You should be able to make this work by creating Server Publishing rules on the front end ISA firewall to publish UDP 500 and UDP 4500. Then configure the back end ISA firewall according to the instructions in the VPN kit.

HTH,
Tom

(in reply to ncoker)

Post #: 2