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Date:      Sun, 27 May 2001 16:22:39 +0800
From:      "Lim Seng Chor" <Lim.Seng.Chor@sit.edu.my>
To:        david@banning.com
Cc:        questions@FreeBSD.ORG
Subject:   Re: telnet security question
Message-ID:  <3B11271E.13364.8EF1A94@localhost>
In-Reply-To: <200105270809.f4R89ZB01609@d.tracker>

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(1) Block the telnet packet to your destination host at your 
router/gateway
(2) use tcp_wrapper + inetd, allow only access to telnetd from local 
network
(3) using xinetd and block all non local subnet telnet request
(4) use /etc/login.access to block the non local login
(5) define your login class at /etc/login.conf

you can use either one of the above according to your need.
if you have any questions or need any info/instruction how to do, 
just ask.
good luck! : )


On 27 May 2001, at 8:09, David Banning wrote:

> Is there a way to allow users on our local area network to telnet into
> the server, but block telnet access to the server from the internet?
> 
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