Re: Strange NETBIOS problem
From: Bernard (qbernard_at_hotmail.com.discuss)
Date: 11/25/04
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Date: Thu, 25 Nov 2004 12:11:51 +0800
Weird. port 137 ?
this is relate netbios over tcpip.
are you using FQDN name or netbios name ?
I can't think of anything if you are using FQDN. e.g. ftp.aa.com
anyway, have you try disable netbios over tcpip ?
-- Regards, Bernard Cheah http://www.tryiis.com/ http://support.microsoft.com/ http://www.msmvps.com/bernard/ "Jason" <Jason@discussions.microsoft.com> wrote in message news:36D64B9A-5603-48BF-ADBC-FACF8300C74B@microsoft.com... > > We have a 2003 server that is colocated (offsite) that we manage. This box > hosts our Web server, FTP server, and one of our external DNS servers. We > are behind an ISA 2000 box. All of a sudden we started noticing a 10 second > delay when issuing a "ftp domain.com" to transfer some files to the server. > This 10 second delay (give or take a few) is not there for other FTP sites - > mainly another colocated box thats running Windows 2000. After looking into > the problem a lot more, my ISA logs show requests coming from the 2003 server > into the ISA box for port 137. It seems that for whatever reason - when we > connect to the ftp service - it attempts a Netbios request back to the > originating IP, ISA blocks this, and the 2003 box times out those requests > then proceeds with the FTP service. If attempted outside the ISA box, the > delay is not there. Web traffic doesnt have the delay. > > Any thoughts? > > Thanks for the help, > Jason
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