HI!
When the client register the event in the server, create a listen connection
using the first port number available in client machine. In server side,
ib/Fb try to connect to this port, to control the events. If this
connection, from the server to the client can´t be made, server hungs, or
probably still eternaly waiting for client response. Therefore, if a
firewall drop the connection, Ib/Fb hung. I think this had corrected in
Fb 1.5

Bye!

Omar L. M. Rosa
Diretor de Informática - Prismatec - RS

51 9189 6223 -- 51 3388 1523

----- Original Message -----
From: "Daniel Rail" <daniel@...>
To: <firebird-support@yahoogroups.com>
Sent: Wednesday, November 26, 2003 12:07 PM
Subject: Re: [firebird-support] Re: Firebird stops working, when using
zebedee and register events


> Hi,
>
> At November 26, 2003, 05:54, HKlemt wrote:
>
> > <ts@i...> wrote:
> >> [snip]
> >> > Isn't that a very old story, that events can't be safely
> >> > used whenever a firewall comes into the playground?
> >>
> >> Forgotten to say, until Firebird 1.5 of course, due to the
> >> available RemoteAuxPort parameter in firebird.conf. ;-)
>
>
> > hmm, in my point of view it is ok when it does not connect, but it
> > is in fact not ok, that nobody else can work on the server, after
> > there is a single connection, that tried to connect with that way.
>
> > I see it almost similar to the famous "Ping of Death". There must be
> > a better way than just stop work on the server side, when there is a
> > connection problem with a client, for whatever reason
>
> I think this could be addressed with the revision/creation of a better
> wire protocol for FB 2.0.
>
> --
> Best regards,
> Daniel Rail
> Senior System Engineer
> ACCRA Group Inc. (www.accra.ca)
> ACCRA Med Software Inc. (www.filopto.com)
>
>
>
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>