From owner-freebsd-questions@freebsd.org Wed Jan 31 02:37:44 2018 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2B274ED3370 for ; Wed, 31 Jan 2018 02:37:44 +0000 (UTC) (envelope-from byrnejb@harte-lyne.ca) Received: from inet08.hamilton.harte-lyne.ca (inet08.hamilton.harte-lyne.ca [216.185.71.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "inet08.hamilton.harte-lyne.ca", Issuer "CA_HLL_ISSUER_2016" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id C610F6E3AC for ; Wed, 31 Jan 2018 02:37:43 +0000 (UTC) (envelope-from byrnejb@harte-lyne.ca) Received: from localhost (localhost [127.0.0.1]) by inet08.hamilton.harte-lyne.ca (Postfix) with ESMTP id BE87D623AD; Tue, 30 Jan 2018 21:37:41 -0500 (EST) X-Virus-Scanned: amavisd-new at harte-lyne.ca Received: from inet08.hamilton.harte-lyne.ca ([127.0.0.1]) by localhost (inet08.hamilton.harte-lyne.ca [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YKR3ZtAEmXU3; Tue, 30 Jan 2018 21:37:37 -0500 (EST) Received: from webmail.harte-lyne.ca (inet04.hamilton.harte-lyne.ca [216.185.71.24]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by inet08.hamilton.harte-lyne.ca (Postfix) with ESMTPSA id 3682E62300; Tue, 30 Jan 2018 21:37:37 -0500 (EST) Received: from 70.27.88.114 (SquirrelMail authenticated user byrnejb_hll) by webmail.harte-lyne.ca with HTTP; Tue, 30 Jan 2018 21:37:37 -0500 Message-ID: <4747d314efd1614e211c557b469ad98f.squirrel@webmail.harte-lyne.ca> In-Reply-To: <0F811690-40FD-45F6-AAD7-BD24E1016DFF@rpi.edu> References: <870deecf052d36d03aae9613410b38ba.squirrel@webmail.harte-lyne.ca> <0F811690-40FD-45F6-AAD7-BD24E1016DFF@rpi.edu> Date: Tue, 30 Jan 2018 21:37:37 -0500 Subject: Re: LPD listen directive? From: "James B. Byrne" To: "Garance A Drosehn" Cc: freebsd-questions@freebsd.org Reply-To: byrnejb@harte-lyne.ca User-Agent: SquirrelMail/1.4.22-5.el6 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jan 2018 02:37:44 -0000 On Tue, January 30, 2018 17:34, Garance A Drosehn wrote: > On 30 Jan 2018, at 16:48, James B. Byrne via freebsd-questions wrote: > >> Can lpd be configured such that it listens only on specific IP >> addresses? If so where and how is it done? We are running lpd and >> cups on the same host. Cups is configured to only listen on the >> loopback address. But lpd is listening on all available addresses. >> >> netstat -a | grep LISTEN >> tcp4 0 0 192.168.216.44.ssh *.* >> LISTEN >> tcp4 0 0 localhost.ipp *.* >> LISTEN >> tcp6 0 0 localhost.ipp *.* >> LISTEN >> tcp4 0 0 *.printer *.* >> LISTEN >> tcp6 0 0 *.printer *.* >> LISTEN > > The man page for 'lpd' describes a few options which might help you, > depending on what you want. '-s' means that lpd won't be listening > anywhere (however printing for all users on the localhost should > still work fine). '-4' means it listens only on IPv4 addresses, > and '-6' means it listens only on IPv6 addresses. > > Unless you're doing something odd, you would only need 'lpd' > listening on localhost if you have printcap entries which point > at rm=localhost . I haven't done much with CUPS, but IIRC it > needs to be listening on localhost or printing doesn't work for > anyone. > It still remains for me to discover how exactly to configure those options. Lpd is enabled in rc.conf with lpd_enable="YES". Is there a variable like lpd_switches to see the command line options? If so, what is its name? And where might it be documented? -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3