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Posted by on November 29, 2005, 4:59 am
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so I'll have to find out what they've got setup.
It's one of those things, that is so close to finding the answer..
JL
wrote:
>
>
>me@the.computer wrote:
>> Hello,
>>
>> I was hoping someone might be able to provide any help with this?
>>
>> We recently upgraded our crappy little firewall (3com) to a
>> Nokia/Check point firewall (NG with AI). Before the upgrade, we had
>> some PC's that had a VPN connection off-site using Nortel VPN client
>> connecting to a Nortel VPN box.
>>
>> After the upgrade, this has failed to work, and always hangs at
>> 'Retrieving Banner Text.' I have done loads of searching on the net,
>> and so far have tried just about everthing I could find on the
>> subject. I have been speaking to a person who knows Check Point, and
>> he mentioned something about NAT Traversal over TCP that would fix the
>> problem, but I'm not sure where to configure this in the Dashboard?
>
>I use UDP encapsulated IPSEC for NAT traversal. You configure that on
>the Nortel. I also have the Nortel outside the Checkpoint so the
>firewall can inspect the traffic after it comes out of the tunnel.
>
>I suspect the hang at 'Retrieving Banner Text' is a red herring, since
>that uses UDP 10001 - which you already have open.
>
>> I have these protocols enabled:
>>
>> ESP (50)
>> IKE (500)
>> IKE_TCP (500)
>> AH (51)
>> Port 10000 (UDP & TCP)
>> Port 10001 (UDP)
>> Port 17 (UDP & TCP)
>> Port 2746 (UDP)
>>
>> The VPN clients WILL connect however, if I assign the PC it's own
>> external IP address.
>
>Sounds like a routing problem, doesn't it.
>
>Triffid
>
>> As we do not have unlimited external IP's, that
>> really is not an option.
>>
>> Any help, tips or pointers would be very much appreciated!
>>
>>
>> JL
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