 | | | Narrowing Down A Strange Problem | Narrowing Down A Strange Problem 2004-09-15 - By David P. Donahue
Yes, note the difference between the two:
http://www.cyber0ne.com (mine)
http://www.cyberOne.com (not mine)
:)
> -----Original Message-----
> From: Tim Burden [mailto:tim@(protected)]
> Sent: Wednesday, September 15, 2004 12:28 PM
> To: users@(protected)
> Subject: Re: [users@(protected)] Narrowing Down A Strange Problem
>
>
> Hmm, note the different IP address?
> I think you tracerouted the wrong host name, Samuel.
>
> ----- Original Message -----
> From: "Gold, Samuel (Contractor)" <GoldS@(protected)>
> To: <users@(protected)>
> Cc: <ddonahue@(protected)>
> Sent: Wednesday, September 15, 2004 12:26 PM
> Subject: RE: [users@(protected)] Narrowing Down A Strange Problem
>
>
> > I was not able to view your site and I am in Virginia.
> >
> > Here is my traceroute minus my host info.
> > traceroute www.cyberOne.com
> > traceroute: my host stuff here.
> > traceroute to www.cyberOne.com (203.251.80.133), 30 hops
> max, 40 byte
> > packets 1 host stuff here 0.722 ms 0.749 ms 0.463 ms
> > 2 209.22.99.10 (209.22.99.10) 0.812 ms 0.909 ms 1.041 ms
> > 3 209.22.99.20 (209.22.99.20) 2.345 ms 1.406 ms 3.341 ms
> > 4 206.38.93.33 (206.38.93.33) 5.108 ms 2.965 ms 3.354 ms
> > 5 33.250.52.1 (33.250.52.1) 22.356 ms 19.470 ms 19.197 ms
> > 6 198.26.122.9 (198.26.122.9) 18.565 ms 18.825 ms 24.688 ms
> > 7 198.26.122.50 (198.26.122.50) 20.241 ms 19.201 ms 21.160 ms
> > 8 63.149.72.25 (63.149.72.25) 19.821 ms 19.513 ms 19.636 ms
> > 9 205.171.209.77 (205.171.209.77) 18.944 ms 20.644 ms 22.846 ms
> > 10 205.171.8.222 (205.171.8.222) 19.658 ms 21.841 ms 21.747 ms
> > 11 205.171.251.34 (205.171.251.34) 21.535 ms 19.979 ms 27.112 ms
> > 12 209.244.219.181 (209.244.219.181) 20.428 ms 22.009 ms
> 27.661 ms
> > 13 so-2-1-0.bbr2.Washington1.Level3.net (209.244.11.13) 22.229 ms
> 23.164
> > ms 21.219 ms
> > 14 so-0-0-0.bbr1.SanJose1.Level3.net (64.159.1.133) 97.001 ms
> > 96.782 ms 97.082 ms 15 so-14-0.hsa3.SanJose1.Level3.net
> > (4.68.114.154) 100.608 ms 100.462
> ms
> > 98.983 ms
> > 16 65.57.246.14 (65.57.246.14) 97.719 ms 98.150 ms
> 98.780 ms 17
> > 211.48.63.229 (211.48.63.229) 237.281 ms 236.760 ms
> 238.096 ms 18
> > 218.145.63.217 (218.145.63.217) 237.439 ms 235.780 ms
> 255.981 ms 19
> > 220.73.150.129 (220.73.150.129) 316.202 ms 238.392 ms
> 235.265 ms 20
> > 220.73.148.22 (220.73.148.22) 240.471 ms 293.412 ms
> 242.580 ms 21
> > 203.232.42.230 (203.232.42.230) 239.512 ms 241.816 ms
> 239.803 ms 22
> > 211.48.168.170 (211.48.168.170) 241.063 ms 239.663 ms
> 239.349 ms 23
> > 211.224.121.250 (211.224.121.250) 242.040 ms 246.970 ms
> 241.131 ms
> > 24 * * * 25 * * *
> > 26 * * *
> > 27 * * *
> > 28 * * *
> > 29 * * *
> > 30 * * *
> >
> > -----Original Message-----
> > From: David P. Donahue [mailto:ddonahue@(protected)]
> > Sent: Wednesday, September 15, 2004 11:56 AM
> > To: users@(protected)
> > Subject: RE: [users@(protected)] Narrowing Down A Strange Problem
> >
> >
> > So far people who can view the site are in:
> > South Carolina
> > North Carolina
> > Missouri
> > Arkansas
> > And people who can not are int:
> > Massachusetts
> > New York
> > California
> >
> > The only pattern I can derive from that data is the number
> of hops in
> > the route.
> >
> >
> > -----Original Message-----
> > From: Aman Raheja [mailto:araheja@(protected)]
> > Sent: Wednesday, September 15, 2004 11:53 AM
> > To: users@(protected)
> > Subject: Re: [users@(protected)] Narrowing Down A Strange Problem
> >
> >
> > From how many different locations / ISPs / people you have
> seen this
> > problem? I am from St Louis and am able to see the site.
> > Thanks
> >
> > David P. Donahue wrote:
> >
> > >>>Did work fine for me. What is the error people get
> > >>>who can't access it for whatever reason and how do
> > >>>you know that there is this 1250 byte limit?
> > >>>Aman Raheja
> > >>>
> > >>>
> > >
> > >No error is received for >1250b responses, it just never
> gets to the
> > >client. I haven't narrowed it down to a specific byte
> size, but the
> > >pattern of positive results vs. time-outs seems to hold at
> > >approximately 1250 bytes. I've made a large number of GET
> requests
> > >and
> >
> > >the pattern has held. Even directory listings from Apache
> itself fit
> > >the pattern if there are enough files in the directory to
> bring the
> > >generated response above the 1250-ish-byte line.
> > >
> > >If you were able to view the site, might I ask your
> general location
> > >and/or ISP?
> > >
> > >
> > >David P. Donahue wrote:
> > >
> > >
> > >
> > >>Before I get into the details of my problem, let me
> specify that it
> > >>is my belief that the Apache software (version 1.3.31) is
> _not_ at
> > >>fault for this and I am just looking to either: 1)
> confirm that and
> > >>look for
> >
> > >>solutions elsewhere; or 2) be proven wrong and hopefully
> solve the
> > >>problem here and now.
> > >>
> > >>The Scenario:
> > >> I have a simple website with a bunch of static files that is in
> > >>place
> > >>
> > >>
> > >
> > >
> > >
> > >>for no other reason than to test connectivity and other issues
> > >>before I
> > >>
> > >>
> > >
> > >
> > >
> > >>work on the new site(s). For the curious, this site is
> located at
> > >>http://www.cyber0ne.com and, keep in mind, a lot of the
> > >>functionality of the site itself is broken and it's a crappy old
> > >>site from when I
> > was
> > >>
> > >>
> > >
> > >
> > >
> > >>in college.
> > >>
> > >>The Symptoms:
> > >> Browse to the site from the localhost (0 hops): no problems.
> > >>Browse to the site from LAN hosts (1 hop): no problems.
> Browse to
> > >>the site from hosts in the general metropolitan vecinity
> (few hops):
> > >>no problems. Browse to the site from across the country (many
> > >>hops): strange problems seen.
> > >> Requests are sent to the server, noted in its logs,
> responded to
> > >>as
> > >>
> > >>
> > >
> > >
> > >
> > >>usual. However, only responses (just simple GET requests
> for static
> > >>files here) with fewer than approximately 1250 bytes are
> received by
> > >>the client. Server logs show nothing out of the ordinary, but
> > >>responses greater than approximately 1250 bytes are never
> received
> > >>by the client and time out.
> > >>
> > >>The Question(s):
> > >> Has anyone seen anything like this before?
> > >> Can you think of _anything_ in Apache which may result in such
> > >>behavior? Can you, from wherever you are, access the site? (The
> > >>root index page
> > >>
> > >>
> > >
> > >
> > >
> > >>exceeds the 1250-ish-byte limitation so, if you can see that, you
> > >>should be good.)
> > >>
> > >>
> > >>
> > >>
> >
> >
> >
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