From owner-freebsd-questions@FreeBSD.ORG Mon Sep 3 07:24:53 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C4D55106566C for ; Mon, 3 Sep 2012 07:24:53 +0000 (UTC) (envelope-from vas@mpeks.tomsk.su) Received: from relay2.tomsk.ru (relay2.tomsk.ru [212.73.124.8]) by mx1.freebsd.org (Postfix) with ESMTP id 143EE8FC18 for ; Mon, 3 Sep 2012 07:24:52 +0000 (UTC) X-Virus-Scanned: by clamd daemon 0.93.1 for FreeBSD at relay2.tomsk.ru Received: from admin.sibptus.tomsk.ru (account sudakov@sibptus.tomsk.ru [212.73.125.240] verified) by relay2.tomsk.ru (CommuniGate Pro SMTP 5.1.16) with ESMTPSA id 28509268 for freebsd-questions@freebsd.org; Mon, 03 Sep 2012 14:24:51 +0700 Received: from admin.sibptus.tomsk.ru (sudakov@localhost [127.0.0.1]) by admin.sibptus.tomsk.ru (8.14.5/8.14.5) with ESMTP id q837Oo8p092808 for ; Mon, 3 Sep 2012 14:24:50 +0700 (NOVT) (envelope-from vas@mpeks.tomsk.su) Received: (from sudakov@localhost) by admin.sibptus.tomsk.ru (8.14.5/8.14.5/Submit) id q837OoxZ092807 for freebsd-questions@freebsd.org; Mon, 3 Sep 2012 14:24:50 +0700 (NOVT) (envelope-from vas@mpeks.tomsk.su) X-Authentication-Warning: admin.sibptus.tomsk.ru: sudakov set sender to vas@mpeks.tomsk.su using -f Date: Mon, 3 Sep 2012 14:24:49 +0700 From: Victor Sudakov To: freebsd-questions@freebsd.org Message-ID: <20120903072449.GA92658@admin.sibptus.tomsk.ru> References: <20120903030217.GA79339@admin.sibptus.tomsk.ru> <50443766.4020705@boosten.org> <5044b978.qFhU35CVsU8J/nET%perryh@pluto.rain.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5044b978.qFhU35CVsU8J/nET%perryh@pluto.rain.com> Organization: AO "Svyaztransneft", SibPTUS X-PGP-Key: http://www.livejournal.com/pubkey.bml?user=victor_sudakov X-PGP-Fingerprint: 10E3 1171 1273 E007 C2E9 3532 0DA4 F259 9B5E C634 User-Agent: Mutt/1.5.21 (2010-09-15) Subject: Re: Sharing COM ports to Windows hosts X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Sep 2012 07:24:53 -0000 perryh@pluto.rain.com wrote: > > > There is a FreeBSD box with several RS232 ports. Can those ports > > > be accessed by Windows hosts over the network? > > > > If I understand your question correctly, then AFAICT the only way to > > access serial ports over the network is with a piece of additional > > hardware, like a terminal server, for instance: > > > > http://www.perle.com/products/Terminal-Server.shtml?utm_source=ppc&utm_medium=cpc&utm_campaign=server > > I believe the OP wants to use a FreeBSD machine, that has several > serial ports and a network connection, _as_ a terminal server. Correct. > > I can think of no reason why such an arrangement could not be made > to work; the question is whether someone has already written the > necessary FreeBSD code to accept a telnet/ssh/whatever connection, There are several in the ports collection. Some even implement RFC2217. Some work and some don't. > initiated by a Windows terminal-server driver, and _transparently_ > connect the session to a serial port on the FreeBSD machine In fact, the question is whether there is a standards compliant (not written for some proprietary hardware terminal server protocol) driver for Windows. Not exactly a FreeBSD question, I know :) -- Victor Sudakov, VAS4-RIPE, VAS47-RIPN sip:sudakov@sibptus.tomsk.ru