From owner-freebsd-security Tue Feb 25 14: 8:35 2003 Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1AC9937B401 for ; Tue, 25 Feb 2003 14:08:31 -0800 (PST) Received: from rwcrmhc51.attbi.com (rwcrmhc51.attbi.com [204.127.198.38]) by mx1.FreeBSD.org (Postfix) with ESMTP id 825A743F75 for ; Tue, 25 Feb 2003 14:08:30 -0800 (PST) (envelope-from crist.clark@attbi.com) Received: from blossom.cjclark.org (12-234-89-252.client.attbi.com[12.234.89.252]) by rwcrmhc51.attbi.com (rwcrmhc51) with ESMTP id <20030225220830051003mamve>; Tue, 25 Feb 2003 22:08:30 +0000 Received: from blossom.cjclark.org (localhost. [127.0.0.1]) by blossom.cjclark.org (8.12.6/8.12.3) with ESMTP id h1PM8Teq022280; Tue, 25 Feb 2003 14:08:29 -0800 (PST) (envelope-from crist.clark@attbi.com) Received: (from cjc@localhost) by blossom.cjclark.org (8.12.6/8.12.6/Submit) id h1PM8Rrs022279; Tue, 25 Feb 2003 14:08:27 -0800 (PST) X-Authentication-Warning: blossom.cjclark.org: cjc set sender to crist.clark@attbi.com using -f Date: Tue, 25 Feb 2003 14:08:27 -0800 From: "Crist J. Clark" To: Paulo Roberto Cc: freebsd-security@FreeBSD.ORG Subject: Re: log_in_vain Message-ID: <20030225220827.GA21469@blossom.cjclark.org> Reply-To: "Crist J. Clark" References: <20030225142757.75690.qmail@web14912.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030225142757.75690.qmail@web14912.mail.yahoo.com> User-Agent: Mutt/1.4i X-URL: http://people.freebsd.org/~cjc/ Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Tue, Feb 25, 2003 at 06:27:57AM -0800, Paulo Roberto wrote: > Hello, > > I have enabled net.inet.tcp.log_in_vain in sysctl but somehow it is not > recognizing my proxy server, and preventing any connections to that > port. It is strange because the firewall rules permit the connection, > and just turning log_in_vain=0 it accepts the connections right away. > Isn't this option to *only* log instead of denying an existing daemon > listening on that port? > > > kernel: Connection attempt to TCP server:3128 from client:1167 All it does is log. It has no effect on the way a packet is processed. The code is in src/sys/netinet/tcp_input.c. -- Crist J. Clark | cjclark@alum.mit.edu | cjclark@jhu.edu http://people.freebsd.org/~cjc/ | cjc@freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message