Date: 12 Sep 1999 13:39:01 +0200 From: Dag-Erling Smorgrav <des@flood.ping.uio.no> To: Ben Smithurst <ben@scientia.demon.co.uk> Cc: "Jeremy L. Ramirez" <jramirez@digicomsystems.net>, dev-null@ns1.digicomsystems.net, freebsd-questions@FreeBSD.ORG, freebsd-security@FreeBSD.ORG Subject: Re: How to prevent motd including os info Message-ID: <xzpn1usmka2.fsf@flood.ping.uio.no> In-Reply-To: Ben Smithurst's message of "Sun, 12 Sep 1999 01:25:24 %2B0100" References: <4.2.0.58.19990911151659.00aa8d60@ns1.digicomsystems.net> <19990912012524.B41509@lithium.scientia.demon.co.uk>
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Ben Smithurst <ben@scientia.demon.co.uk> writes: > An even better way is to disable telnet completely, and use ssh like you > should. Note that people can still use nmap or something to guess at > your OS. # ipfw add 1 deny tcp from any to any in tcpflags syn,fin No they can't. DES -- Dag-Erling Smorgrav - des@flood.ping.uio.no To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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