Builtin Firewall Blocks Localhost Access (Even Open Ports)
From: Michael Kennedy [UB] (mkennedy_at_REMOVETHIS.unitedbinary.com)
Date: 06/29/04
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Date: Tue, 29 Jun 2004 15:04:15 -0700
Hi,
I am configuring a Windows 2003 Standard Edition Server and for reasons not
worth going into we have to use some sort of software firewall. Currently
this is a combination of the built-in Windows firewall (from the advance
properties of the network connection) and IPSec to further filter the access
to the open ports in the firewall.
But there is a weird problem. I keep getting messages like this in my
firewall log:
2004-06-29 14:54:47 DROP TCP 127.0.0.1 192.168.0.64 3666 4026 40 R
3232056443 3232056443 0 - - -
2004-06-29 14:54:50 DROP TCP 127.0.0.1 192.168.0.64 3666 4026 40 R
3232056443 3232056443 0 - - -
2004-06-29 14:54:56 DROP TCP 127.0.0.1 192.168.0.64 3666 4026 40 R
3232056443 3232056443 0 - - -
2004-06-29 14:55:02 DROP TCP 127.0.0.1 192.168.0.64 3628 4026 40 R
3216250718 3216250718 0 - - -
where 192.168.0.64 has been substituted for the actual IP of the server.
First of all, why is the firewall blocking access to localhost? Secondly,
even after I have opened those ports in the firewall, they still show up as
blocked in the firewall log for localhost (127.0.0.1).
Please help if you have any ideas or comments.
Also, I am trying to get NetBIOS file sharing to work for this server
configuration. I have opened the ports that I can determine are necessary by
looking at the blocked traffic in the firewall log. And this works OK for a
short time, then the connection to the file shares seem to hang for a long
time (1-5 minutes?) for no apparent reason. Anyone else got this to work?
Thanks in advance,
Michael
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