From owner-freebsd-isp  Fri Nov  6 12:05:15 1998
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Date: Fri, 06 Nov 1998 21:03:14 +0100
From: Jesus Rodriguez <jesusr@es.freebsd.org>
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To: Willow <willow@tds.edu>
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Subject: Re: hosts.{deny|allow}
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> I'm trying to block access to our freebsd (2.2.7) boxes from several
> domains and not having any luck.  I have read the man pages on
> hosts_optiosn and hosts_access and tried to follow along without success.
> 
> I would prefer to block based on IP (I have 10 class C's or so that need
> to be blocked) if possible.

Install tcpwrappers package and configure /etc/hosts.allow and
/etc/hosts.deny.

Other thing you can do is compiling FreeBSD with IPFIREWALL option and
use ipfw for blocking any thing you want.

JesusR.

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