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Date:      Sat, 14 Feb 2004 06:42:55 -0600
From:      Eric F Crist <ecrist@adtechintegrated.com>
To:        FreeBSD questions List <freebsd-questions@freebsd.org>
Subject:   Running processes...
Message-ID:  <200402140643.12904.ecrist@adtechintegrated.com>

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Hello list,

Which of the processes can I safely block  from the internet via ipfw?  Her=
e's=20
an nmap output from one of my servers.  I would really like to tame this=20
down:

Starting nmap 3.50 ( http://www.insecure.org/nmap/ ) at 2004-02-14 06:41 CST
Interesting ports on localhost (127.0.0.1):
(The 1646 ports scanned but not shown below are in state: closed)
PORT     STATE SERVICE
21/tcp   open  ftp
22/tcp   open  ssh
25/tcp   open  smtp
53/tcp   open  domain
80/tcp   open  http
110/tcp  open  pop3
443/tcp  open  https
587/tcp  open  submission
783/tcp  open  hp-alarm-mgr
3306/tcp open  mysql
6667/tcp open  irc
6668/tcp open  irc
9999/tcp open  abyss

Nmap run completed -- 1 IP address (1 host up) scanned in 9.730 seconds

Port 9999 is an irc port for server connections, for anyone who's wondering=
=20
what that's doing there.  I mainly need to get rid of 783, 587.  What are=20
those anyways?  Also, what's the name of that app that basically makes all=
=20
ports appear open and logs connection attempts?  Thanks.
=2D-=20
Eric F Crist
AdTech Integrated Systems, Inc
(612) 998-3588

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