From owner-freebsd-net Mon Apr 16 2:48:10 2001 Delivered-To: freebsd-net@freebsd.org Received: from obsecurity.dyndns.org (adsl-63-207-60-27.dsl.lsan03.pacbell.net [63.207.60.27]) by hub.freebsd.org (Postfix) with ESMTP id 09C2337B424; Mon, 16 Apr 2001 02:48:06 -0700 (PDT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 441C5678BE; Mon, 16 Apr 2001 02:48:05 -0700 (PDT) Date: Mon, 16 Apr 2001 02:48:05 -0700 From: Kris Kennaway To: Kris Kennaway Cc: Mike Silbersack , Mark T Roberts , freebsd-security@FreeBSD.ORG, net@FreeBSD.ORG Subject: Re: non-random IP IDs Message-ID: <20010416024805.A688@xor.obsecurity.org> References: <001f01c0c30b$805b0840$d2e2fdce@netrex.com> <20010416020311.A1292@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="rwEMma7ioTxnRzrJ" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010416020311.A1292@xor.obsecurity.org>; from kris@obsecurity.org on Mon, Apr 16, 2001 at 02:03:11AM -0700 Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org --rwEMma7ioTxnRzrJ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 16, 2001 at 02:03:11AM -0700, Kris Kennaway wrote: > Here's a patch ported from OpenBSD which randomizes this (supposedly > such that it respects the constraint of not wrapping within the > prescribed time period). I should wrap it in a sysctl, I guess. >=20 > http://www.freebsd.org/~kris/ipid.patch Okay, I did this and updated the patch, with the sysctl defaulting to off since the random algorithm does add some amount of overhead. > Comments? Kris --rwEMma7ioTxnRzrJ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE62r/UWry0BWjoQKURAqEhAKDMfAXAwJLg+qU1Wt9RVH9q6Oi+EACeKXRN EA9+LNS3If04gRZFQ9YTGis= =l1UB -----END PGP SIGNATURE----- --rwEMma7ioTxnRzrJ-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message