 | | | Narrowing Down A Strange Problem | Narrowing Down A Strange Problem 2004-09-15 - By Gold, Samuel (Contractor)
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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