From: Martijn Lievaart <m@rtij.nl>
To: Alexey Toptygin <alexeyt@freeshell.org>
Cc: Phil Oester <kernel@linuxace.com>,
"Laurence J. Lane" <ljlane@debian.org>,
netfilter-devel@lists.netfilter.org
Subject: Re: iptables 1.3.6 not using /etc/networks
Date: Mon, 13 Nov 2006 08:23:18 +0100 [thread overview]
Message-ID: <45581D66.2070009@rtij.nl> (raw)
In-Reply-To: <Pine.NEB.4.64.0611130053020.6631@ukato.freeshell.org>
Alexey Toptygin wrote:
>
> I don't understand what you mean. I think if it starts with a digit,
> it must be an IP (or part of an IP with 0's dropped), else it is a
> network name or a domain name (since neither of those can start with
> digits). If it's an IP by the above logic, then pad it with '.0's as
> necessary (or translate directly into a number without padding first).
> If it's not an IP, first call getnetbyname on it and if that returns
> NULL call gethostbyname. I think this algorithm works in all cases,
> unless I'm missing something.
Domains can legitimately start with digits. F.i. 9292ov.nl. However,
checking for a valid IP address (in all forms) should be trivial.
M4
next prev parent reply other threads:[~2006-11-13 7:23 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-12 1:25 iptables 1.3.6 not using /etc/networks Laurence J. Lane
2006-11-12 2:35 ` Laurence J. Lane
2006-11-12 17:33 ` Phil Oester
2006-11-12 19:36 ` Alexey Toptygin
2006-11-12 19:43 ` Phil Oester
2006-11-13 0:58 ` Alexey Toptygin
2006-11-13 7:23 ` Martijn Lievaart [this message]
2006-11-13 15:50 ` Alexey Toptygin
2006-11-13 20:20 ` Martijn Lievaart
2006-11-13 21:23 ` Alexey Toptygin
2006-11-14 9:06 ` offtopic " Amin Azez
2006-11-14 9:24 ` Benny Amorsen
2006-11-13 17:12 ` Phil Oester
2006-11-13 17:56 ` Alexey Toptygin
2006-11-13 19:50 ` scott comer (sccomer)
2006-11-18 22:09 ` Laurence J. Lane
2006-11-18 22:12 ` Laurence J. Lane
2006-11-20 0:00 ` Pablo Neira Ayuso
2006-11-23 14:10 ` Patrick McHardy
2006-11-23 20:56 ` Pablo Neira Ayuso
2006-11-24 5:55 ` Phil Oester
2006-11-24 8:43 ` Patrick McHardy
2006-11-29 4:44 ` Phil Oester
2006-11-29 12:50 ` Patrick McHardy
2006-11-29 14:09 ` Amin Azez
2006-11-29 14:21 ` Pablo Neira Ayuso
2006-11-19 20:34 ` Pablo Neira Ayuso
-- strict thread matches above, loose matches on Subject: below --
2006-11-13 17:00 Alexey Toptygin
[not found] <200611131926.kADJPxur030380@mail3.jubileegroup.co.uk>
2006-11-14 10:17 ` G.W. Haywood
2006-11-14 19:28 ` Grant Coady
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