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Article #55651

RedHat Security / Network problem

#55651
From: Michael Bournazos
Date: Sun, 18 May 1997 00:00
34 lines
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Can anyone explain the following please.

I've just moved from an old Slackware distribution to an old RedHat
(3.0.3 Picasso) distribution off the September 1996 Infomagic CD set.
Now I can't get simple network things to work !

EG I can't telnet to this new system.

I have a couple of machines on a simple ethernet.  The network is fine
- I can telnet to the other box running Slackware + use Samba to
access Linux directories on the RedHat box.

I'm not running a name server, and tcpd rejects all requests for
services it starts as the reverse lookup fails. (verified by messages
in the logs)

So I have removed the tcpd commands in the inetd.conf, starting the
services directly to avoid tcpd security.  This worked for FTP, but
not telnet or any of the 'r' services.

I have tried various combinations of the hosts.allow and hosts.deny,
including no files, empty files, and a hosts.allow with "ALL: PARANOID
ALL". (I didn't think they were used by telnetd?)

Telnet to the new system invariably fails with "Connection closed by
foreign host."  When I had tcpd in the loop, it took a couple of
seconds for the message to appear - without tcpd the message appears
right away.

I just can't figure this one out.  Any help is appreciated.

Cheers,
Michael
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Message-ID: <337e95f9.2138559@news-s01.ca.us.ibm.net>
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From: mbourna@ibm.net (Michael Bournazos)
Subject: RedHat Security / Network problem
Date: 1997/05/18
Message-ID: <337e95f9.2138559@news-s01.ca.us.ibm.net>
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Newsgroups: aus.computers.linux