I think it is 3051.

Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com

----- Original Message -----
From: <johannes@...>
To: <IBObjects@yahoogroups.com>
Sent: Saturday, April 14, 2001 7:10 AM
Subject: [IBO] Events and server ports


> IB 6.01 on Linux 2.18, D4 IBO 3.6ca
>
> IB comunicates via port 3050.
>
> IB works fine through a firewall that has 3050 open. But then, when
> the 'RegisterEvents' method gets called nothing goes anymore.
>
> A tcpdump reveals that IB obviously tries to open another ip
> connection for event messaging which is different than 3050. E.g. I
> found ports 178x being used counting up with every 'RegisterEvent'
> call.
>
> Does anyone know which range of ports need to be accessible for IB in
> order make use of events in a restricted network setup?
>
> There are NO problems at all in a non-restricted network scenario!
>
> Cheers
>
> Johannes