Subject Re: [firebird-support] Slow initial connection
Author Mark Rotteveel
> > I'm using a Vista Home Edition and Firebird 1.0.3 installed as a
> > service.
>
> Vista Home probably throttles network services because it is not a
> Server OS. I have a customer that uses an XP machine (ouch!) as the
> Firebird server and the connect times are terrible.

Not exactly, Windows XP (and maybe Windows Vista) only allow 10(*) half-open connections at a time (that is: connections where the handshake has not been completed yet).

That should not matter for the first connection to Firebird, unless your machine is also comprised and working as a zombie to flood other hosts.

*: There are some 'patches' around to remove this limit and I believe Vista SP2 also removes the limit. I know for sure they removed this limit in Windows 7.

If you want to check if you are having this problem. Check the 'System' eventlog for event type 4226.

Mark
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