Re: Slow network printing to 98 machine and blocking port 445

From: Bret (abc_at_email.com)
Date: 10/11/04 

Date: Mon, 11 Oct 2004 16:53:49 -0500

Thank you for the quick reply. I will send the text again. I'd rather not
use Zone Alarm. Sounds like he uses SP2s firewall. I'm looking for anyone
who's had and licked this problem.

Hi,
since Win2000 and also in WinXP, when windows networking is bound to
TCPIP, the system tries a network connection to remote IP port 445, and
only if this fails, uses ports 137 to 139. As Win98 and WinME don't have
a port 445 open (and would not know how to handle those incoming network
packets to port 445), WinXP keeps trying for some time or number of
attempts. (I'd like to know where this is defined, because after update
with SP2, this takes forever.)
During these attempts, the printing process seems to be frozen.

So your problem may very well go away if you unbind file and printer
sharing from TCPIP on the WinXP machine. I would like to know whether
this helps.

I can't do this because NETBEUI is not supported on our LAN, but
astonishingly the freezing of the printing process also goes away if I
deny outgoing connections to remote port 445 in the firewall.
Now that's a dirty fix, because the system SHOULD use 445 when
connecting to other Win2K or WinXP machines, and I will allow 445
connections as soon as all other machines are upgraded to Win2K or
WinXP, but until then ... if only someone could tell me where to set the
connection timeout so that the freezing stops after that time
(it's NOT affected by the setting of
HKLM\SYSTEN\CurrentControlSet\Services\lanmanworkstation\parameters
SessTimeout=dword)

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