From owner-freebsd-security Fri Mar 16 8:54:45 2001 Delivered-To: freebsd-security@freebsd.org Received: from homer.softweyr.com (bsdconspiracy.net [208.187.122.220]) by hub.freebsd.org (Postfix) with ESMTP id 4996537B718 for ; Fri, 16 Mar 2001 08:54:42 -0800 (PST) (envelope-from wes@softweyr.com) Received: from [127.0.0.1] (helo=softweyr.com ident=4a656828bf96df23684bddfc4d0922ae) by homer.softweyr.com with esmtp (Exim 3.16 #1) id 14dxS9-0000Ko-00; Fri, 16 Mar 2001 09:51:50 -0700 Message-ID: <3AB244A5.315DFD16@softweyr.com> Date: Fri, 16 Mar 2001 09:51:49 -0700 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.75 [en] (X11; U; Linux 2.2.12 i386) X-Accept-Language: en MIME-Version: 1.0 To: Nate Williams Cc: Adam Laurie , Ronan Lucio , security@FreeBSD.ORG Subject: Re: Port 113 References: <006b01c0ad38$39eed0a0$1401a8c0@tedm.placo.com> <099801c0ad7c$75b63800$2aa8a8c0@melim.com.br> <15025.5630.472269.543769@nomad.yogotech.com> <3AB1261F.23B8BE75@algroup.co.uk> <15025.10176.676792.32675@nomad.yogotech.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Nate Williams wrote: > > > > > Could anybody say me when I need to allow the port 113 > > > > in the firewall? > > > > > > *Need* form auth is a strong word. However, it does tend to speed up > > > email transfers is you enable a version that always responds true. > > > > > > So, any external SMTP servers you have *should* have this port enabled. > > > > > > > What services use this port? > > > > > > I know that SMTP uses it, and I believe that ftpd uses it, and I believe > > > irc also uses it. > > > > smtp does not need to use it - you can achieve the same speedy transfers > > by telling your smtp server not to bother. e.g. for sendmail: > > > > O Timeout.ident=0s > > My local sendmail doesn't use *my* ident server, but remote sendmail > servers use *my* ident server, so using ident locally speeds up mail > transfers *to* my host. > > I certainly don't use ident for local email. :) To quote a relatively unknown identd server, "Fools trust ident!" -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message