[outages] TcpDump.org ? Cogent ? Something else ?

Paul Stewart paul at paulstewart.org
Sun May 20 09:26:52 EDT 2012


Ummm... ok.

I can pull up the site no problem today and was able to yesterday as well -
and my DNS was resolving to 132.213.238.6

The original poster simply asked "anyone seen this before?" - there was no
indication of WHAT the problem was and how it's operationally impacting
(therefore appropriate for this list as I would understand it).

Just because you are seeing "host unreachable" doesn't mean that the content
*behind* it won't be served.  Someone is doing some filtering on their
router/firewall - pretty common stuff.

Am I missing something here? ;)

Paul


-----Original Message-----
From: outages-bounces at outages.org [mailto:outages-bounces at outages.org] On
Behalf Of Jeremy Chadwick
Sent: Saturday, May 19, 2012 6:42 PM
To: Jason Hellenthal
Cc: outages at outages.org
Subject: Re: [outages] TcpDump.org ? Cogent ? Something else ?

I'm seeing the exact same behaviour in traceroute.  I only tracerouted to
132.213.238.6, by the way, so the DNS RR A record stuff for tcpdump.org does
not apply.

!H means host unreachable as I'm sure you know.  Based on the IP address
below (132.213.254.254, which looks like a router) returning !H, I would say
the host 132.213.238.6 itself is down.

Tried sending Email to any of the individuals listed in the WHOIS record for
tcpdump.org?  I'd give that a shot first.

-- 
| Jeremy Chadwick                                   jdc at koitsu.org |
| UNIX Systems Administrator                http://jdc.koitsu.org/ |
| Mountain View, CA, US                                            |
| Making life hard for others since 1977.             PGP 4BD6C0CB |

On Sat, May 19, 2012 at 04:30:53PM -0400, Jason Hellenthal wrote:
> 
> Anyone else seeing this ?
> 
> traceroute to bpf.tcpdump.org (132.213.238.6), 64 hops max, 40 byte 
> packets [...]
>  3  [AS65534] 10.179.128.1 (10.179.128.1)  19.811 ms  17.924 ms  
> 19.907 ms
>  4  [AS20115] dtr01hlldmi-gbe-1-14.hlld.mi.charter.com (96.34.33.162)  
> 19.865 ms  17.277 ms  19.886 ms
>  5  [AS20115] crr02aldlmi-tge-0-2-0-2.aldl.mi.charter.com 
> (96.34.32.76)  20.099 ms  17.531 ms  19.782 ms
>  6  [AS20115] bbr01aldlmi-tge-0-0-0-5.aldl.mi.charter.com 
> (96.34.1.162)  19.832 ms  17.328 ms  19.993 ms
>  7  [AS20115] bbr01chcgil-tge-0-0-0-6.chcg.il.charter.com (96.34.0.57)  
> 29.771 ms  27.124 ms  29.923 ms
>  8  [AS20115] bbr02chcgil-tge-0-3-0-1.chcg.il.charter.com 
> (96.34.1.185)  19.973 ms  27.418 ms  29.916 ms
>  9  [AS174] te0-4-0-4.ccr21.ord03.atlas.cogentco.com (38.104.102.233)  
> 19.841 ms  17.317 ms  19.748 ms
> 10  [AS174] te0-2-0-1.mpd21.ord01.atlas.cogentco.com (154.54.2.93)  22.040
ms
>     [AS174] te0-5-0-7.mpd22.ord01.atlas.cogentco.com (154.54.44.181)
27.478 ms
>     [AS174] te0-5-0-7.mpd21.ord01.atlas.cogentco.com (154.54.44.173)  
> 16.951 ms
> 11  [AS174] te0-1-0-3.mpd22.yyz02.atlas.cogentco.com (154.54.6.181)
51.184 ms
>     [AS174] te0-1-0-3.mpd21.yyz02.atlas.cogentco.com (154.54.2.162)
47.444 ms
>     [AS174] te0-3-0-3.mpd22.yyz02.atlas.cogentco.com (154.54.42.14)  
> 47.155 ms
> 12  [AS174] te0-3-0-5.ccr21.ymq02.atlas.cogentco.com (154.54.42.226)
47.212 ms
>     [AS174] te0-3-0-3.ccr21.ymq02.atlas.cogentco.com (154.54.7.214)
47.067 ms
>     [AS174] te0-5-0-2.ccr21.ymq02.atlas.cogentco.com (154.54.44.117)  
> 46.930 ms
> 13  [AS174] 38.104.154.62 (38.104.154.62)  57.172 ms  47.932 ms  
> 39.896 ms
> 14  [AS852] dmtrl-rq.risq.net (192.77.63.50)  39.825 ms  47.695 ms  
> 49.698 ms
> 15  [AS852] uq-gw.risq.net (132.202.61.142)  50.180 ms  47.221 ms  
> 59.678 ms
> 16  [AS852] uq-membre.risq.net (206.167.128.90)  49.880 ms  47.619 ms  
> 49.141 ms
> 17  * * *
> 18  [AS376] 132.213.254.254 (132.213.254.254)  3790.347 ms !H  
> 3907.398 ms !H  4000.063 ms !H
> 
> 
> --
> 
>  - (2^(N-1))
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