Re: Win2000-Server tries to connect various machines on port 53

From: Ken Schaefer (kenREMOVE_at_THISadOpenStatic.com)
Date: 08/22/03


Date: Fri, 22 Aug 2003 19:05:21 +1000


Are you running a DNS server on this machine (I assume you are, since you
say it is a Domain Controller, and Windows 2000 domains require Active
Directory)?

Port 53 (UDP) is for DNS. If you are running a DNS server on this machine,
it may be connecting out to do a DNS lookup.

Cheers
Ken

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"Kay Lehmann" <kay_lehmann@web.de> wrote in message
news:3f45d632$0$2342$9b4e6d93@newsread2.arcor-online.net...
: Hello everybody,
:
: I have following porblem with a win2000 server:
:
: It tries to connect varous machines on port 53. Some of the adresses are:
:
: 158.38.0.181
: 193.0.0.193
: 194.176.32.129
: 192.36.125.2
: 137.39.1.3
: 128.214.4.29
: ...
:
: So as I am not administrator of this machine and I am not that familiar
with
: windows, but has to configure the firewall, I wanted to know if somebody
: can tell me how to find the program, which tries to connect to the
outside.
: Maybe a trojan, worm or something else? I tried to find something about a
: this in the internet but I do not know where to find a searching machine
: where I can insert some symptoms of the behavior of my machine which gives
: a list of worms or viruses which could be the reason, is there any? The
: other question is:
:
: Which ports should be normally opened on the win2000 server (It works as
: domain controller). nmap gives me:


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