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Unknown open port: "6881/tcp open bittorrent-tracker" found with nmap


 
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Special Forums IP Networking Unknown open port: "6881/tcp open bittorrent-tracker" found with nmap
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Old 03-19-2009
Question Unknown open port: "6881/tcp open bittorrent-tracker" found with nmap

Hi. I ran nmap on my server, and I get the following:

Code:
Starting Nmap 4.76 ( http://nmap.org ) at 2009-03-19 16:33 EDT
Interesting ports on -------- (-----):
Not shown: 997 closed ports
PORT     STATE SERVICE
22/tcp   open  ssh
80/tcp   open  http
6881/tcp open  bittorrent-tracker

The first two are as I want, but I am not running anything bittorrent related (at least I'm not intending to). What tool can I use to manage my open ports or see what processes are causing this?

I'm running Debian 2.6.18-6 (powerpc)

Thanks for any help!


-----


EDIT: Solved! I was running nmap on the router, not the server itself. Someone using a computer locally was running Bittorrent. Silly me.

Last edited by Rledley; 03-19-2009 at 10:06 PM.. Reason: Solved

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NMAPFE(1)						      General Commands Manual							 NMAPFE(1)

NAME
nmapfe (xnmap) - GTK+ graphical frontend to the Nmap Security Scanner SYNOPSIS
nmapfe [ any Glib options such as --display ] DESCRIPTION
Nmapfe (also known as xnmap) is a convenient X Window front end for the Nmap Security Scanner. Most of the options correspond directly to Nmap options, which are described in detail in the Nmap man page. We recommend you read that first. There is also limited help available via the NmapFE "Help" menu. AUTHOR
NmapFE was originally written by Zach Smith <key@aye.net> It is now maintained by Fyodor <fyodor@insecure.org> Feel free to write me ( fyodor@insecure.org ) with questions or bug reports. DISTRIBUTION
The newest version of nmapfe can be obtained from http://www.insecure.org/nmap/ nmapfe is (C) 1999, 2000 by Fyodor (fyodor@insecure.org) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; Version 2. This guarantees your right to use, modify, and redistribute Nmap under certain conditions. If this license is unacceptable to you, Insecure.Org may be willing to sell alternative licenses (contact fyodor@insecure.org ). Source is provided to this software because we believe users have a right to know exactly what a program is going to do before they run it. This also allows you to audit the software for security holes (none have been found so far). Source code also allows you to port nmapfe to new platforms, fix bugs, and add new features. You are highly encouraged to send your changes to Fyodor for possible incorporation into the main Nmap distribution. By sending these changes to Fyodor or nmap-hackers, it is assumed that you are offering Fyodor the unlimited, non-exclusive right to reuse, modify, and relicense the code. If you wish to specify special license conditions of your contributions, please state them up front. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER- CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details (it is in the COPYING file of the nmap distribution). It should also be noted that Nmap has been known to crash certain poorly written applications, TCP/IP stacks, and even operating systems. Nmap should never be run against mission critical systems unless you are prepared to suffer downtime. We acknowledge here that Nmap may crash your systems or networks and we disclaim all liability for any damage or problems Nmap could cause. NMAPFE(1)

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