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Date:      19 Mar 2002 17:31:40 +0100
From:      Dag-Erling Smorgrav <des@ofug.org>
To:        "Julian Stacey" <jhs@bim.bsn.com>
Cc:        freebsd-security@freebsd.org
Subject:   Re: ports 1021 1022 1023 & 587 ?
Message-ID:  <xzpsn6wcydv.fsf@flood.ping.uio.no>
In-Reply-To: <200203191511.g2JFBbG55810@jhs.muc.de>
References:  <200203191511.g2JFBbG55810@jhs.muc.de>

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"Julian Stacey" <jhs@bim.bsn.com> writes:
> On a 4.5-RELEASE firewall ports 1021 1022 1023 are shown open by
> /usr/ports/security/portscanner, but not listed in /etc/services.
> 
> Are they daemons doing auto decrement allocation from 1024 ?
>   ( I'm using ipfw firewall, not using diverts (yet), not using X server,
>   am using various other daemons inc. nfs amd lpd timed whod etc)

The portmapper allocates ports for NFS and other RPC services starting
at 1023 and counting downwards.  Use 'rpcinfo -p' to get a list of
active RPC services and their port allocations.

Why on earth are you running nfs, amd and lpd on a firewall?

DES
-- 
Dag-Erling Smorgrav - des@ofug.org

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