Subject Re: Firebird crash at 63 connection
Author dennisliew24
--- In firebird-support@yahoogroups.com, "Vlad Khorsun" <hvlad@...> wrote:
>
> > It sounds you are talking to me (but I am not in this thread), are
you?
> >
> > In that case, please let me know where I forget to answer
something and
> > I will fix that.
>
> Oh it was not you, i'm sorry...
>
> It was about http://tracker.firebirdsql.org/browse/CORE-2256 which
> author didn't answer at tracker but seems to be active in this list
instead.
>
> About "crash at 63 connections". I'm almost sure it is
> a) not a crash
> b) not a Firebird issue
>
> I saw such limitaion (SS can't handle more than 63 connections
via TCP\IP) at
> computer where ESET NOD32 antivirus installed. Modern antivirus and
firewall
> software often embedd itself into TCP\IP stack and, unfortunately,
often have its
> own bugs. In this case, i think, they used WaitForMultiplyObjects on
user process's
> sockets list to intercept its activity. This introduced limitation
for no more than 64
> active sockets per process, and it looks as user process fault.
>
> Regards,
> Vlad
>

Thanks Vlad for your explanation. I will try to remove the anti-virus
and firewall software (if any) and will post the result soonest
possible. Thanks again.