From owner-freebsd-net@FreeBSD.ORG Mon Nov 12 18:05:01 2012 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 2F54C8D9 for ; Mon, 12 Nov 2012 18:05:01 +0000 (UTC) (envelope-from dustinwenz@ebureau.com) Received: from internet02.ebureau.com (internet02.tru-signal.biz [65.127.24.21]) by mx1.freebsd.org (Postfix) with ESMTP id E2CE18FC14 for ; Mon, 12 Nov 2012 18:05:00 +0000 (UTC) Received: from service02.office.ebureau.com (internet06.ebureau.com [65.127.24.25]) by internet02.ebureau.com (Postfix) with ESMTP id 25B80E0C34E for ; Mon, 12 Nov 2012 11:57:02 -0600 (CST) Received: from localhost (localhost [127.0.0.1]) by service02.office.ebureau.com (Postfix) with ESMTP id 211CCDC91B1 for ; Mon, 12 Nov 2012 11:57:02 -0600 (CST) X-Virus-Scanned: amavisd-new at ebureau.com Received: from service02.office.ebureau.com ([127.0.0.1]) by localhost (internet06.ebureau.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3eKmXcZcWB3x for ; Mon, 12 Nov 2012 11:57:01 -0600 (CST) Received: from square.office.iscompanies.com (square.office.iscompanies.com [10.10.20.22]) by service02.office.ebureau.com (Postfix) with ESMTPSA id 9F95ADC91A2 for ; Mon, 12 Nov 2012 11:57:01 -0600 (CST) From: Dustin Wenz Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Subject: Default ephemeral port range Message-Id: <87A2D317-77BA-4641-979D-0AE43247D99E@ebureau.com> Date: Mon, 12 Nov 2012 11:57:01 -0600 To: freebsd-net@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 6.1 \(1498\)) X-Mailer: Apple Mail (2.1498) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Nov 2012 18:05:01 -0000 I'm trying to determine why the default ephemeral port range appears to = be 10000 through 65535 in at least 8.1 through 9.1RC. Documentation = regarding the lower bound on the range seems inconsistent. The FreeBSD = website (http://wiki.freebsd.org/SystemTuning) suggests that = net.inet.ip.portrange.first defaults to 49152, which I don't believe is = accurate. The IANA recommends the range be 49152 through 65535 = (http://tools.ietf.org/html/rfc6056). Is there any particular reason why = net.inet.ip.portrange.first defaults to 10000? - .Dustin