From owner-freebsd-chat Fri Aug 10 0:16: 1 2001 Delivered-To: freebsd-chat@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id A6A7C37B403; Fri, 10 Aug 2001 00:15:56 -0700 (PDT) (envelope-from grog@lemis.com) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id 4A00B6ACDC; Fri, 10 Aug 2001 16:46:17 +0930 (CST) Date: Fri, 10 Aug 2001 16:46:17 +0930 From: Greg Lehey To: cjclark@alum.mit.edu, admin@FreeBSD.org Cc: Terry Lambert , Mike Meyer , j mckitrick , freebsd-chat@FreeBSD.ORG Subject: Blocking earthlink (was: How did the MSFT monopoly start?) Message-ID: <20010810164617.H37968@wantadilla.lemis.com> References: <20010806142544.A64348@dogma.freebsd-uk.eu.org> <15214.52633.581653.632317@guru.mired.org> <3B6F98D0.A3C22CC9@mindspring.com> <20010808160551.Q78395@wantadilla.lemis.com> <3B7103A4.558B9B3B@mindspring.com> <20010809124559.G73579@wantadilla.lemis.com> <20010810001105.A6407@blossom.cjclark.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010810001105.A6407@blossom.cjclark.org>; from cristjc@earthlink.net on Fri, Aug 10, 2001 at 12:11:05AM -0700 Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Friday, 10 August 2001 at 0:11:05 -0700, Crist J. Clark wrote: > On Thu, Aug 09, 2001 at 12:45:59PM +0930, Greg Lehey wrote: >> On Wednesday, 8 August 2001 at 2:17:24 -0700, Terry Lambert wrote: >>> Greg Lehey wrote: >>> >>> Obviously, like my off the list references to the livelock papers >>> I tried to send you, the direct email to you will bounce from your >>> overambitious "spam" bouncer, which insists I'm a spammer because >>> Earthlink bought my ISP and assignned me a mindspring address... >>> Oh well... >> >> Hmm. I've checked my bounce log. Is this you? >> >> Out: 220 wantadilla.lemis.com ESMTP Postfix >> In: EHLO smtp.netcabo.pt >> In: MAIL FROM: SIZE=2352 >> Out: 450 Client host rejected: cannot find your hostname, [212.113.174.249] >> >> That's the only reference I can find to Earthlink. I reject this >> message, like many others, because it shows every sign of being spam. > > I use Earthlink and it looks like someone's blocked outgoing port 25 > from their network that is not going to their own mail servers. If I > do, > > $ telnet hub.freebsd.org 25 > Trying 216.136.204.18... > telnet: connect to address 216.136.204.18: Network dropped connection on reset > telnet: Unable to connect to remote host > > I get blocked, > > # tcpdump -itun0 -n > 00:07:29.298296 209.244.105.174.1184 > 216.136.204.18.25: S 3233816272:3233816272(0) win 16384 (DF) [tos 0x10] > 00:07:29.435204 209.244.43.80 > 209.244.105.174: icmp: net 216.136.204.18 unreachable - admin prohibited > > $ host 209.244.43.80 > 80.43.244.209.IN-ADDR.ARPA domain name pointer nas16.sjo1.Level3.net > > I can otherwise access hub just fine. Only port 25 is affected. Hmm. Looks like a firewall rule. I don't know if that's intended; I'm copying admin@, who will possibly reply. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message