In Juniper terms it's setup as a route based VPN exactly as per Chapter
4 of the VPN PDF for ScreenOS 6.3.

 

The other end isn't a Juniper, but I don't think that's the issue.

 

On the Juniper if I put a default deny rule at the bottom of the policy
list, with logging, I can see that internet requests are trying to go
out via the Junipers default gateway rather than through the tunnel.

 

From: Erik Goldoff [mailto:egold...@gmail.com] 
Sent: 17 September 2010 14:12
To: NT System Admin Issues
Subject: RE: Juniper VPN Tunnel Query

 

But otherwise the VPN tunnel works to access the main site from the
remote site ???

How is the original VPN rule setup ?

 

Erik Goldoff

IT  Consultant

Systems, Networks, & Security 

'  Security is an ongoing process, not a one time event ! '

From: Paul Hutchings [mailto:paul.hutchi...@mira.co.uk] 
Sent: Friday, September 17, 2010 8:46 AM
To: NT System Admin Issues
Subject: RE: Juniper VPN Tunnel Query

 

It won't let me create that policy - the GUI just comes up with a
cryptic message "peer to_siteA have vpn with tunnel interface binding,
vpn invalid or not exist"?!

 

From: Erik Goldoff [mailto:egold...@gmail.com] 
Sent: 17 September 2010 12:58
To: NT System Admin Issues
Subject: RE: Juniper VPN Tunnel Query

 

OK, apologies, coffee just kicking in here,  quite a few hours earlier
than where you are.

 

Possibly a better method using the Juniper policies.

 

In your  Trust to Untrust, or Trust to Global  policies

Create an ANY-ANY-ANY-TUNNEL ( Source Destination Service Action ) using
the tunnel created between sites.

For any device on the remote subnet that needs direct access, create a
policy with ANY-ANY-ANY-Permit  and place it above this
any-any-any-tunnel rule 

 

Erik Goldoff

IT  Consultant

Systems, Networks, & Security 

'  Security is an ongoing process, not a one time event ! '

From: Paul Hutchings [mailto:paul.hutchi...@mira.co.uk] 
Sent: Friday, September 17, 2010 7:16 AM
To: NT System Admin Issues
Subject: Juniper VPN Tunnel Query

 

I'm testing a VPN tunnel between what will be two sites.

 

I have the tunnel working just fine between Site A and Site B using a
route based VPN, however what I want to do is configure it so that in
Site B any traffic for 0.0.0.0 goes over the tunnel so it goes out to
the Internet via our main firewall/internet connection.

 

I'm struggling a little on how to configure the Juniper (an SSG running
ScreenOS 6.3.x) to do this as its default gateway for 0.0.0.0 is of
course the router to the ISP.

 

Thanks.

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