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Date:      Thu, 01 Jul 1999 18:32:45 +0100
From:      David Pick <D.M.Pick@qmw.ac.uk>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Re: tcp wrappers 
Message-ID:  <E10zkhZ-0006Qf-00@xi.css.qmw.ac.uk>
In-Reply-To: Your message of "Thu, 01 Jul 1999 17:37:04 %2B0200."             <52368.930843424@axl.noc.iafrica.com> 

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> > But I can't see tcpd anywhere, only tcpdcheck and so on. Why is this ?
> 
> If you look at the inetd manpage, you'll see that it supports builtin
> wrapping. You don't need tcpd.

To be explicit - inetd is linked with the libwrap library so it's
unnecessary to activate a separate program with the extra overheads
that involves.

> > What if I want to set up different access rules based on the protocol in =
> > use, not the program ?
> 
> That's a limitation of hosts.allow. Short of creating a copy of the
> daemon binary with a new name, you can't do what you want to with inetd
> and TCP Wrappers.

Actually, a separate copy is not necessary; a hard (or soft) link
is sufficient to make the wrappers see a new name so different rules
can be used.

-- 
	David Pick



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