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RE: [FW1] local interface address spoofing. Turn off how?



Tim,

I live in New Zealand. So when you are going to sleep, I am just waking
up... Now there's a business opportunity!!!

In short, yes this will work. The :resolve_multiple_interfaces is inspect
script that gets compiled and deployed to the enforcement point. Your
topology and keys etc will be retrieved from the Enforcement module if you
have correctly configured the Firewall object.

In your FireWall-1 object on your RuleBase the "Internal" or "External"
check box in the case of enforcement modules equates to "Is this enforcement
module on the same machine as the management station", not is this internal
to my network or external to my network.

If this is set to internal, then the CA and Keys and everything else will
live on the Management Server. If this is set to external then the keys and
topology are pushed to the enforcement module.

Hey Presto !

Yours Kindly
Gregor Munro
-----Original Message-----
From: Russo, Tim [mailto:[email protected]]
Sent: 14 September 2000 7:41 a.m.
To: 'Gregor Munro'
Subject: RE: [FW1] local interface address spoofing. Turn off how?


Will it work even if the managment module is not the firewall, but a
seperate server? Do you sleep at all? :)

-Tim

-----Original Message-----
From: Gregor Munro [mailto:[email protected]]
Sent: Wednesday, September 13, 2000 3:38 PM
To: Russo, Tim; [email protected]
Subject: RE: [FW1] local interface address spoofing. Turn off how?


Tim,

if you are using CP 4.1 SP2 you can go into the objects.C file and configure
it to respond to SecuRemote/SecureClient requests on all interfaces.

This is currently a manual process, so you should fwstop the firewall, edit
the objects.C file, search for your firewall object within the rulebase (it
will most likely be somewhere near the top) and add a line in that section
to resolve to multiple interfaces
---snip---
:resolve_multiple_interfaces (true)
---snip---

I think that this will resolve your problem

Yours Kindly
Gregor Munro
-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of
Russo, Tim
Sent: 14 September 2000 6:26 a.m.
To: '[email protected].'
Subject: [FW1] local interface address spoofing. Turn off how?



I am trying to get my SecureClient laptops to be able to update the
SecureClient site when they are on the LAN. The problem is that the
managment server has a legal "NATed" IP address in the SecureClient config.
When the clients tries to update their site on the LAN, they try to go to
the external address, which the firewall (default gateway) NATs to its true
internal address.

I added a rule to deal with the routing and some NAT issues. The problem now
is that I get a "local interface address spoofing" error message (rule 0). I
have turned off all anti-spoofing rules in the firewall objects and turned
off MAD (at least I think I have) on the mgmt station and firewall. No luck.

How do I turn off this spoofing protection or is it possible to config
SecureClient to automatically use a different IP for the server when
connected to the local network? Thanks.

-Tim

________________________   ______     ____       ___          __
Tim Russo
Xchange, Inc.
Sr. Security Engineer
EMail: [email protected]
Phone:FAX:============================================================================
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