This message appears when SynDefender is turned on. It is a tool that is
generally not recommended to use.
Dave Black
Senior Software Engineer
extendedcare.com
(847) 790-8629
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
Home Page: http://www.daveblack.net <http://www.daveblack.net>
> -----Original Message-----
> From: Robert MacDonald [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, July 11, 2000 10:37 AM
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Re: [FW1] Message syn -> syn-ack- >RST
>
>
>
> Jesus,
>
> The sequence above, is that from the remote
> SMTP server or from yours to them?
>
> This may not be direct help, but reading through
> RFC793 will help you understand this sequence
> of packets.
>
> Usually a RST is sent when there is a problem.
>
> If you can sniff the connection, check to see if
> the sequence number is correct or if the ack is
> for something else.
>
> I'm sure others(e.g. more experienced) can help
> here if I've missed/misstated anything.
>
> Robert
>
> - -
> Robert P. MacDonald, Network Engineer
> e-Business Infrastructure
> G o r d o n F o o d S e r v i c e
> Voice: +1.616.261.7987 email: [EMAIL PROTECTED]
>
> >>> "Jesus Calvo Hernandez" <[EMAIL PROTECTED]> 7/3/00
> 7:24:39 AM >>>
> >Hi
> >
> >From some time ago I keep seeing this message on the log of
> my firewall gateway; our line to the internet is
> >E1 and its occupation is no longer than 40 % average on both
> directions, so no bandwidth problem seem
> >to be the culprit. This message appears when trying to
> connect to our mail-relay servers from other mail
> >servers on the internet mainly.
> >
> >Anyone has experienced this before?
> >
> >Regards
> >
>
>
>
>
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