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From: wietse@porcupine.org (Wietse Venema)
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Wietse Venema <wietse@porcupine.org>,
	Steve VanDevender <stevev@efn.org>,
	linux-kernel@vger.kernel.org
Subject: Re: notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias
Date: Thu, 6 Sep 2001 16:16:17 -0400 (EDT)	[thread overview]
Message-ID: <20010906201617.60F60BC06C@spike.porcupine.org> (raw)
In-Reply-To: <E15f57F-0000L2-00@the-village.bc.nu> "from Alan Cox at Sep 6, 2001 08:47:09 pm"

Alan Cox:
> > If the kernel knows about subnets, then an application should be
> > able to find out about them. Whether or not you agree with the
> > application's reasons does not matter.
> 
> There I agree - entirely. I'd also say that an application using legacy
> 4.3BSD API's ought to get correct answers for configurations which are
> validly expressed in that specific worldview

Putting on a different hat, that of forensics and auditing, I would
claim that such functionality is useful for every API. If something
can be set, then there must be a corresponding way to find out.

For settings created with *netlink, it is entirely reasonable to
use the *netlink API to query its state. It's just a pain in the
butt for people like me to find out and advise users.

	Wietse

  reply	other threads:[~2001-09-06 20:16 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20010905170037.A6473@emma1.emma.line.org.suse.lists.linux.kernel>
     [not found] ` <20010905152738.C5912BC06D@spike.porcupine.org.suse.lists.linux.kernel>
     [not found]   ` <20010905182033.D3926@emma1.emma.line.org.suse.lists.linux.kernel>
2001-09-05 19:26     ` ioctl SIOCGIFNETMASK: ip alias bug 2.4.9 and 2.2.19 Andi Kleen
2001-09-06 13:11       ` Matthias Andree
2001-09-06 13:35       ` Andrey Savochkin
2001-09-06 14:04         ` Wietse Venema
2001-09-06 14:21           ` Matthias Andree
2001-09-06 15:37             ` notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias bug 2.4.9 and 2.2.19] Andrey Savochkin
2001-09-06 15:58               ` Wietse Venema
2001-09-06 16:39                 ` notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias Alan Cox
2001-09-06 16:45                   ` Wietse Venema
2001-09-06 16:44                 ` notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias bug 2.4.9 and 2.2.19] Andrey Savochkin
2001-09-06 16:47                   ` Andi Kleen
2001-09-06 17:04                     ` Andrey Savochkin
2001-09-06 16:50                   ` Wietse Venema
2001-09-06 17:01                     ` notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias Alan Cox
2001-09-06 17:23                       ` Wietse Venema
2001-09-06 17:45                         ` Charles Cazabon
2001-09-06 19:34                         ` Alan Cox
2001-09-06 19:41                           ` Wietse Venema
2001-09-06 20:18                             ` Alan Cox
2001-09-06 20:11                           ` Matthias Andree
2001-09-06 20:23                             ` Alan Cox
2001-09-06 20:31                               ` Andi Kleen
2001-09-06 20:52                                 ` Matthias Andree
2001-09-07  9:06                             ` Henning P. Schmiedehausen
2001-09-07  8:52                         ` Matthew Kirkwood
2001-09-08 16:31                           ` Wietse Venema
2001-09-06 18:11                       ` Steve VanDevender
2001-09-06 18:25                         ` Wietse Venema
2001-09-06 19:47                           ` Alan Cox
2001-09-06 20:16                             ` Wietse Venema [this message]
2001-09-06 19:10                         ` Steve VanDevender
2001-09-13 14:35                       ` Pavel Machek
2001-09-06 17:03                     ` notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias bug 2.4.9 and 2.2.19] Andi Kleen
2001-09-06 17:23                     ` Andrey Savochkin
2001-09-06 17:39                       ` Wietse Venema
2001-09-06 18:23                         ` H. Peter Anvin
2001-09-07  1:47                           ` Jamie Lokier
2001-09-07  5:48                           ` notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip aliasbug " Ben Greear
2001-09-07  5:50                             ` H. Peter Anvin
2001-09-17 21:39                               ` Ben Greear
2001-09-07  6:26                             ` Andrey Savochkin
2001-09-07  6:21                               ` H. Peter Anvin
2001-09-06 19:15                         ` notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias bug " dean gaudet
2001-09-06 19:33                           ` Wietse Venema
2001-09-06 20:51                         ` Matti Aarnio
2001-09-07  7:29                           ` Andrey Savochkin
2001-09-07  7:35                             ` Matthias Andree
2001-09-07 10:30                         ` Mike Jagdis
2001-09-07 11:04                           ` Matthias Andree
2001-09-07 15:34                         ` Kurt Roeckx
2001-09-08 13:16                         ` notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias Kai Henningsen
2001-09-06 18:20                 ` notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias bug 2.4.9 and 2.2.19] H. Peter Anvin
2001-09-06 16:01               ` Matthias Andree
2001-09-06 16:38                 ` Andrey Savochkin
2001-09-06 16:43                   ` Wietse Venema
2001-09-06 17:03                     ` Charles Cazabon
2001-09-06 17:05                   ` Alex Bligh - linux-kernel
2001-09-06 17:37                     ` Andrey Savochkin
2001-09-06 17:55               ` kuznet
2001-09-06 14:51           ` ioctl SIOCGIFNETMASK: ip alias bug 2.4.9 and 2.2.19 Alan Cox
2001-09-06 14:17         ` Matthias Andree
2001-09-08 12:42     ` Kai Henningsen
2001-09-09  0:37       ` Matthias Andree
2001-09-06 17:39 notion of a local address [was: Re: ioctl SIOCGIFNETMASK: ip alias Sam James

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