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VPN site to site with hw fw in isa 2004 environment

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VPN site to site with hw fw in isa 2004 environment - 6.May2008 6:37:34 AM

nordest

Posts: 1
Joined: 6.May2008
Status: offline

Hallo to everybody, i have a net protected by ISA 2004 SP2 (sbs 2003).
I must create a VPN with 2 remote sites through hardware firewall.
the situation in the headquarters is this: 2 separate internet connections 1 connected to isa and 1 connected to the hw fw (juniper).

Headquarter
10.0.0.1 ext isa          192.168.1.1 int isa
20.0.0.1 ext juniper   192.168.1.2 int juniper

branch office
30.0.0.1 ext juniper   192.168.5.1 int juniper

The VPN connection works fine, from the remote site i can access the headquarter net,
but I am not able to contact the sbs server lan nic, as ISA cuts off all the connections coming from the branch office logging spoofing problems.
must I set up in some particular way the ISA rules?
Thanks in advance Andrea