From owner-freebsd-bugs  Thu Nov  7 10: 0:22 2002
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Date: Thu, 7 Nov 2002 10:00:09 -0800 (PST)
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From: Dmitry Morozovsky <marck@rinet.ru>
Subject: Re: i386/39327: bind ntpd to only one IP
Reply-To: Dmitry Morozovsky <marck@rinet.ru>
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The following reply was made to PR i386/39327; it has been noted by GNATS.

From: Dmitry Morozovsky <marck@rinet.ru>
To: marius@alchemy.franken.de
Cc: fbsd@koethe.net, <"."@babolo.ru>, <dougb@FreeBSD.org>,
	<freebsd-gnats-submit@FreeBSD.org>
Subject: Re: i386/39327: bind ntpd to only one IP
Date: Thu, 7 Nov 2002 20:55:47 +0300 (MSK)

 Actually, your patch works if and only if alias addresses are in the same
 subnet as main address, which is not always true.
 
 For example, our typical jail scheme is as follows:
 
 ifconfig_xx0="A.B.C.D ..."
 
 xx0_alias0="A.B.X.0 netmask 0xffffffff"
 xx0_alias1="A.B.X.1 netmask 0xffffffff"
 xx0_alias2="A.B.X.2 netmask 0xffffffff"
 ...
 
 where A.B.X.0/28 is aliases via 16 /32s to A.B.C.D, which is on colocation
 segment.
 
 Moreover, I can easily imagine scheme where there would me more than one
 subnet attached to the same physical interface, which renders your approach
 even less useable.
 
 I think we need somewhat more generic solution...
 
 Sincerely,
 D.Marck                                   [DM5020, DM268-RIPE, DM3-RIPN]
 ------------------------------------------------------------------------
 *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
 ------------------------------------------------------------------------
 

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