Re: TCP Port Blocking by Firewall and Application Hanged
From: Dave (noone_at_nowhere.com)
Date: 09/19/04
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Date: Sun, 19 Sep 2004 11:05:58 -0000
if your IT people are blocking connections FROM port 4444 on your machine
then they don't understand the problem, or they don't know how to set up
routers to block the worm properly. the worm listens on 4444, it doesn't
generate traffic from 4444. they want to block connections made TO port
4444. the same goes for 1434, traffic is directed TO port 1434 not from it
so they should not block connections from your machine's port 1434 to
anywhere. they should probably concentrate on getting all the proper
patches onto machines rather than trying to block every little port on a
network and messing up proper communications.
"Eddie Leung" <eddielg@image.com.hk> wrote in message
news:OKs1KXinEHA.2680@TK2MSFTNGP15.phx.gbl...
> Hi All,
>
> I have a critical problem and don't know how to solve. Please help.
>
> My company now configures the firewall to port the blaster port on 4444
and
> 1434 to prevent again blaster worm. However, some applications will be
> dynamically allocated tcp ports to communicate to server, the assigned
port
> numbers start from 1024 to 65535, when the ports be assigned are 1434 or
> 4444, both application and the machine running application are hanged. How
> can I solve this problem? Can I configure the machine so that the port
1434
> and 4444 will not be assigned for communication used?
>
> Thanks in advance.
>
> Regards,
>
> Eddie
>
>
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