From owner-freebsd-questions Wed Jul 18 15: 9:37 2001 Delivered-To: freebsd-questions@freebsd.org Received: from mailout2-0.nyroc.rr.com (mailout2-1.nyroc.rr.com [24.92.226.165]) by hub.freebsd.org (Postfix) with ESMTP id 7AD8737B407 for ; Wed, 18 Jul 2001 15:09:22 -0700 (PDT) (envelope-from davec@frontiernet.net) Received: from mail2.rochester.rr.com (mail2-1 [24.92.226.140]) by mailout2-0.nyroc.rr.com (8.11.2/RoadRunner 1.03) with ESMTP id f6IM86W02162 for ; Wed, 18 Jul 2001 18:08:06 -0400 (EDT) Received: from prometheus ([24.93.15.103]) by mail2.rochester.rr.com (Post.Office MTA v3.5.3 release 223 ID# 0-59787U250000L250000S0V35) with SMTP id com for ; Wed, 18 Jul 2001 18:08:04 -0400 Message-ID: <001901c10fd6$7fe33820$670f5d18@lowroad.dhs.org> From: "Dave" To: Subject: Port 25 Problems Date: Wed, 18 Jul 2001 18:10:48 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0016_01C10FB4.F89615C0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2462.0000 X-Mimeole: Produced By Microsoft MimeOLE V6.00.2462.0000 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG This is a multi-part message in MIME format. ------=_NextPart_000_0016_01C10FB4.F89615C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear FreeBSD ubergeeks, Please help me with this, I've banged my head against the wall until my = forehead has taken on a flat bricklike appearance trying to figure out = how to fix my problem. I can't get my machine to respond to any = requests to port 25. It's not closed, I just get no response, as if the = port does not even exist. At first I had sendmail listening on 25, and = I thought the problem was there, so I installed qmail (and am much = happier with it), with the exact same results. Any request to port 25 = outside of my happy little class C is ignored. On the other hand, from = within my LAN, there is no problem whatsoever. Upon telneting into my = box on port 25, I'm greeted with "220 lowroad.dhs.org ESMTP", and mail = sent comes in fine. Here is a traceroute from an external network: traceroute -p 25 lowroad.dhs.org trying to get source for lowroad.dhs.org source should be 209.130.129.238 traceroute to lowroad.dhs.org (24.93.15.166) from 209.130.129.238 = (209.130.129.238), 30 hops max outgoing MTU =3D 1500 1 fe5-0-0.ar1.ROC.globalcenter.net (209.130.129.193) 2 ms 1 ms 1 ms 2 fe4-1-0-100M.br2.ROC.gblx.net (209.130.187.130) 2 ms 2 ms 1 ms 3 pos2-2-155M.cr2.ROC1.gblx.net (206.132.119.205) 2 ms 2 ms 2 ms 4 pos1-0-622M.cr1.WDC2.gblx.net (208.178.174.118) 20 ms 19 ms 19 ms 5 so1-1-0-622M.br1.WDC2.gblx.net (208.178.174.54) 20 ms 21 ms 20 ms 6 att.so2-1-0-622M.br1.WDC1.gblx.net (208.51.74.182) 21 ms 22 ms 23 = ms 7 gbr3-p50.wswdc.ip.att.net (12.123.9.50) 21 ms 20 ms 19 ms 8 gbr3-p80.n54ny.ip.att.net (12.122.2.165) 26 ms 26 ms 26 ms 9 gbr6-p60.n54ny.ip.att.net (12.122.5.113) 26 ms 25 ms 25 ms 10 gar2-p370.n54ny.ip.att.net (12.123.1.205) 26 ms 26 ms 26 ms 11 12.124.179.34 (12.124.179.34) 34 ms 34 ms 34 ms 12 syr-24-92-224-36.nyroc.rr.com (24.92.224.36) 41 ms 41 ms 41 ms 13 brighton-mcr2.nyroc.rr.com (24.93.0.170) 43 ms 45 ms 42 ms 14 brighton-mcr2.nyroc.rr.com (24.93.0.170) 43 ms 42 ms 43 ms 15 * roc-24-93-15-166.rochester.rr.com (24.93.15.166) 93 ms 56 ms (I want that little *SPLAT to go away) And now here is one to a Windoze machine on the same cable modem: traceroute -p 25 prometheus.lowroad.dhs.org trying to get source for prometheus.lowroad.dhs.org source should be 209.130.129.238 traceroute to prometheus.lowroad.dhs.org (24.93.15.103) from = 209.130.129.238 (209.130.129.238), 30 hops max outgoing MTU =3D 1500 1 fe5-0-0.ar1.ROC.globalcenter.net (209.130.129.193) 2 ms 1 ms 1 ms 2 fe4-1-0-100M.br2.ROC.gblx.net (209.130.187.130) 2 ms 1 ms 1 ms 3 pos2-2-155M.cr2.ROC1.gblx.net (206.132.119.205) 2 ms 2 ms 2 ms 4 pos1-0-622M.cr1.WDC2.gblx.net (208.178.174.118) 20 ms 19 ms 19 ms 5 so1-1-0-622M.br1.WDC2.gblx.net (208.178.174.54) 19 ms 19 ms 19 ms 6 att.so2-1-0-622M.br1.WDC1.gblx.net (208.51.74.182) 19 ms 20 ms 19 = ms 7 gbr3-p50.wswdc.ip.att.net (12.123.9.50) 19 ms 19 ms 19 ms 8 gbr3-p80.n54ny.ip.att.net (12.122.2.165) 26 ms 26 ms 26 ms 9 gbr5-p60.n54ny.ip.att.net (12.122.5.105) 26 ms 27 ms 26 ms 10 gar2-p360.n54ny.ip.att.net (12.123.1.201) 27 ms 29 ms 26 ms 11 12.124.179.34 (12.124.179.34) 34 ms 34 ms 34 ms 12 syr-24-92-224-36.nyroc.rr.com (24.92.224.36) 44 ms 44 ms 41 ms 13 brighton-mcr2.nyroc.rr.com (24.93.0.170) 42 ms 43 ms 43 ms 14 brighton-mcr2.nyroc.rr.com (24.93.0.170) 43 ms 43 ms 43 ms 15 roc-24-93-15-103.rochester.rr.com (24.93.15.103) 49 ms 58 ms 85 = ms I can't figure it out. My hosts.allow is wide open. My inetd.conf is = fine, as requests come through great if I request on the same subnet. = Every other port responds perfectly. I've got a very insecure little = box here, so I don't understand why it would do something like this. = Any help you can give would be greatly appreciated, I'm not looking for = a black and white solution to my problem (although it would be nice), = just the tools that I could use to track the problem down. Thanks, Dave. ------=_NextPart_000_0016_01C10FB4.F89615C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Dear FreeBSD ubergeeks,

Please = help me with=20 this, I've banged my head against the wall until my forehead has taken = on a flat=20 bricklike appearance trying to figure out how to fix my problem.  I = can't=20 get my machine to respond to any requests to port 25.  It's not = closed, I=20 just get no response, as if the port does not even exist.  At first = I had=20 sendmail listening on 25, and I thought the problem was there, so I = installed=20 qmail (and am much happier with it), with the exact same results.  = Any=20 request to port 25 outside of my happy little class C is ignored.  = On the=20 other hand, from within my LAN, there is no problem whatsoever.  = Upon=20 telneting into my box on port 25, I'm greeted with "220 lowroad.dhs.org = ESMTP",=20 and mail sent comes in fine.  Here is a traceroute from an external = network:

traceroute -p 25 lowroad.dhs.org
trying to get source = for=20 lowroad.dhs.org
source should be 209.130.129.238
traceroute to=20 lowroad.dhs.org (24.93.15.166) from 209.130.129.238 (209.130.129.238), = 30 hops=20 max
outgoing MTU =3D 1500
 1  = fe5-0-0.ar1.ROC.globalcenter.net=20 (209.130.129.193)  2 ms  1 ms  1 ms
 2 =20 fe4-1-0-100M.br2.ROC.gblx.net (209.130.187.130)  2 ms  2 = ms  1=20 ms
 3  pos2-2-155M.cr2.ROC1.gblx.net = (206.132.119.205)  2=20 ms  2 ms  2 ms
 4  pos1-0-622M.cr1.WDC2.gblx.net=20 (208.178.174.118)  20 ms  19 ms  19 ms
 5 =20 so1-1-0-622M.br1.WDC2.gblx.net (208.178.174.54)  20 ms  21 = ms  20=20 ms
 6  att.so2-1-0-622M.br1.WDC1.gblx.net = (208.51.74.182)  21=20 ms  22 ms  23 ms
 7  gbr3-p50.wswdc.ip.att.net=20 (12.123.9.50)  21 ms  20 ms  19 ms
 8 =20 gbr3-p80.n54ny.ip.att.net (12.122.2.165)  26 ms  26 ms  = 26=20 ms
 9  gbr6-p60.n54ny.ip.att.net (12.122.5.113)  26 = ms =20 25 ms  25 ms
10  gar2-p370.n54ny.ip.att.net = (12.123.1.205)  26=20 ms  26 ms  26 ms
11  12.124.179.34 = (12.124.179.34)  34=20 ms  34 ms  34 ms
12  syr-24-92-224-36.nyroc.rr.com=20 (24.92.224.36)  41 ms  41 ms  41 ms
13 =20 brighton-mcr2.nyroc.rr.com (24.93.0.170)  43 ms  45 ms  = 42=20 ms
14  brighton-mcr2.nyroc.rr.com (24.93.0.170)  43 = ms  42=20 ms  43 ms
15  * roc-24-93-15-166.rochester.rr.com=20 (24.93.15.166)  93 ms  56 ms
(I want that little *SPLAT to = go=20 away)

And now here is one to a Windoze machine on the same cable=20 modem:

traceroute -p 25 prometheus.lowroad.dhs.org
trying to = get=20 source for prometheus.lowroad.dhs.org
source should be=20 209.130.129.238
traceroute to prometheus.lowroad.dhs.org = (24.93.15.103) from=20 209.130.129.238 (209.130.129.238), 30 hops max
outgoing MTU =3D=20 1500
 1  fe5-0-0.ar1.ROC.globalcenter.net = (209.130.129.193)  2=20 ms  1 ms  1 ms
 2  fe4-1-0-100M.br2.ROC.gblx.net=20 (209.130.187.130)  2 ms  1 ms  1 ms
 3 =20 pos2-2-155M.cr2.ROC1.gblx.net (206.132.119.205)  2 ms  2 = ms  2=20 ms
 4  pos1-0-622M.cr1.WDC2.gblx.net = (208.178.174.118)  20=20 ms  19 ms  19 ms
 5  = so1-1-0-622M.br1.WDC2.gblx.net=20 (208.178.174.54)  19 ms  19 ms  19 ms
 6 =20 att.so2-1-0-622M.br1.WDC1.gblx.net (208.51.74.182)  19 ms  20 = ms =20 19 ms
 7  gbr3-p50.wswdc.ip.att.net (12.123.9.50)  19 = ms =20 19 ms  19 ms
 8  gbr3-p80.n54ny.ip.att.net=20 (12.122.2.165)  26 ms  26 ms  26 ms
 9 =20 gbr5-p60.n54ny.ip.att.net (12.122.5.105)  26 ms  27 ms  = 26=20 ms
10  gar2-p360.n54ny.ip.att.net (12.123.1.201)  27 = ms  29=20 ms  26 ms
11  12.124.179.34 (12.124.179.34)  34 = ms  34=20 ms  34 ms
12  syr-24-92-224-36.nyroc.rr.com = (24.92.224.36)  44=20 ms  44 ms  41 ms
13  brighton-mcr2.nyroc.rr.com=20 (24.93.0.170)  42 ms  43 ms  43 ms
14 =20 brighton-mcr2.nyroc.rr.com (24.93.0.170)  43 ms  43 ms  = 43=20 ms
15  roc-24-93-15-103.rochester.rr.com (24.93.15.103)  49 = ms  58 ms  85 ms
 
I can't figure it out.  My = hosts.allow is wide=20 open.  My inetd.conf is fine, as requests come through great if I=20 request on the same subnet.  Every other port responds=20 perfectly.  I've got a very insecure little box here, so I don't = understand=20 why it would do something like this.  Any help you can give would = be=20 greatly appreciated, I'm not looking for a black and white solution to = my=20 problem (although it would be nice), just the tools that I could use to = track=20 the problem down.
 
Thanks,
Dave.
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