[Ilugc] IPSEC Connection between Gateway Firewalls

~adarsh~ vpadarsh at gmail.com
Wed Jun 28 12:19:46 IST 2006


On 6/28/06, Binand Sethumadhavan <binand at gmail.com> wrote:
> On 28/06/06, ~adarsh~ <vpadarsh at gmail.com> wrote:
> > When I am trying to establish a vpn connection between two gateways i
> > am get stucked with the error
> > ERROR: asynchronous network error report on eth1 for message to IP
> > port 500, complainant IP: Connection refused [errno 111, origin ICMP
> > type 3 code 3 (not authenticated)]
> >
> > Any idea about the problem ?
>
> It is very difficult to see just one line of a logfile and guess what
> the problem could be. You haven't mentioned what VPN software, what
> P1/P2 proposals, whether the boxes are behind NAT gateways etc. and
> haven't pasted any detailed logs or configuration information.
>
> Having said that, from the given information, my best guess could be:
>
> ICMP Type 3 is "Destination Unreachable". It looks to me that your two
> VPN end points cannot talk to each other on port 500/udp. Check your
> firewall rules and see if that is indeed the case, and fix the problem
> if yes.
>
> Binand
>
Hi i am using MNF from madriva. Both the machines are directly exposed
to internet.Previously the request on port 500 was getting droped but
now it is not.

regards




-- 
Adarsh


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