From owner-freebsd-security  Tue Aug  7  7:46:53 2001
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Date: Tue, 7 Aug 2001 11:45:20 -0300
From: Fernando Schapachnik <fschapachnik@vianetworks.com.ar>
To: Christopher Schulte <christopher@schulte.org>
Cc: "Douglas G. Allen" <dallen@roe35.lth2.k12.il.us>,
	freebsd-security@FreeBSD.ORG
Subject: Re: ipfw question
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References: <200108070919280409.008598DB@mail.roe35.lth2.k12.il.us> <200108070719460362.001801FC@mail.roe35.lth2.k12.il.us> <200108070919280409.008598DB@mail.roe35.lth2.k12.il.us> <20010807112610.H34971@ns1.via-net-works.net.ar> <5.1.0.14.0.20010807093229.03c3eda0@pop.schulte.org>
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En un mensaje anterior, Christopher Schulte escribió:
[...]
> 'The calculation of alias netmasks is important, but fortunately quite 
> simple. For a given interface, there must be one address which correctly 
> represents the network's netmask. Any other addresses which fall within 
> this network must have a netmask of all 1's.'

You learn something every day :)

Any way, I used it the other way plenty of times with hundreds of
virtual hosts.

Regards.


Fernando P. Schapachnik
Planificación de red y tecnología
VIA NET.WORKS ARGENTINA S.A.
fschapachnik@vianetworks.com.ar
Tel.: (54-11) 4323-3381

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