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Re: Newbie - wants to close ports

Disable services. Edited /etc/inetd.conf and add # to unwanted service or
use update-inetd program to complete task. Restart inetd super daemon
/etc/init.d/inetd restart

stop service ex /etc/init.d/named stop
/etc/init.d/program_name add beginning of script 'exit 0'  examble of named
(listen 53)

Anyway if you not need service REMOVE IT examble
apt-get remove program_name These is suitable for most services under init.d

Use man/info service_name You will found most of cases more information...
/usr/share/doc/package_name You will found  package documentation...

/usr/share/doc/HOWTO/en-txt should be installed your system (Debian3.0) read
firewall and security HOWTOs and check Debians own document

Remember You need some services for system... so I recommed You read the


----- Original Message -----
From: "Zeno Davatz" <zdavatz@ywesee.com>
To: <debian-security@lists.debian.org>
Sent: Monday, September 30, 2002 10:43 AM
Subject: Newbie - wants to close ports

> Hi List
> I am an newbie and done a nmap -v of my local maschine that is supposed to
> be put into the internet after I managed to close all the necessary ports.
> Can anyone give me a hint how to go about closing all the following port
> execpt ssh, http, https?
> Port       State       Service
> 1/tcp      open        tcpmux
> 9/tcp      open        discard
> 11/tcp     open        systat
> 13/tcp     open        daytime
> 15/tcp     open        netstat
> 22/tcp     open        ssh
> 37/tcp     open        time
> 53/tcp     open        domain
> 79/tcp     open        finger
> 80/tcp     open        http
> 111/tcp    open        sunrpc
> 119/tcp    open        nntp
> 443/tcp    open        https
> 540/tcp    open        uucp
> 635/tcp    open        unknown
> 1080/tcp   open        socks
> 1524/tcp   open        ingreslock
> 2000/tcp   open        callbook
> 5432/tcp   open        postgres
> 6667/tcp   open        irc
> 12345/tcp  open        NetBus
> 12346/tcp  open        NetBus
> 27665/tcp  open        Trinoo_Master
> 31337/tcp  open        Elite
> 32771/tcp  open        sometimes-rpc5
> 32772/tcp  open        sometimes-rpc7
> 32773/tcp  open        sometimes-rpc9
> 32774/tcp  open        sometimes-rpc11
> 54320/tcp  open        bo2k
> Many thanks in advance for your help.
> Kind regards
> Zeno
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