Date: Mon, 11 Jun 2001 21:33:01 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: Mike Silbersack <silby@silby.com> Cc: gzjyliu@public.guangzhou.gd.cn, hackers@FreeBSD.ORG Subject: Re: [PATCH] Limited BPF to the specified program Message-ID: <20010611213301.A3636@Odin.AC.HMC.Edu> In-Reply-To: <20010611232418.V3383-100000@achilles.silby.com>; from silby@silby.com on Mon, Jun 11, 2001 at 11:27:02PM -0500 References: <200106120248.f5C2mcr00360@fatcow.home> <20010611232418.V3383-100000@achilles.silby.com>
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--3V7upXqbjpZ4EhLz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jun 11, 2001 at 11:27:02PM -0500, Mike Silbersack wrote: > The idea sounds neat, especially for computer labs and the like. > Unfortunately, I think this implementation is far too difficult to be used > effectively. Could you instead cause bpf to only return packets dhclient > would use? That would allow bpf to be used by any process, but only be > useful to dhclient. I believe the proposal in the distant past was to install a non-revocable bpf filter which did this. Actually, the scheme listed has pretty much no hope of working in a devfs world because the majors file is going to be shot eventualy and thus you may well not be able to count on your disks being at the same device number. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --3V7upXqbjpZ4EhLz Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE7JZt8XY6L6fI4GtQRApYiAJ4+7FXO098jjx9kg15OXl5nR2lxwgCfb+Hb dJTQtItyoroVqsQNsKWNW5A= =an1Q -----END PGP SIGNATURE----- --3V7upXqbjpZ4EhLz-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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