nsheth at gmail.com
Fri Dec 10 13:41:37 MSK 2010
(We're running 0.8.53.)
On Fri, Dec 10, 2010 at 12:31 AM, Neil Sheth <nsheth at gmail.com> wrote:
> We just changed over to another server, so far I don't see this issue
> happening, so perhaps it was indeed something related to some sort of faulty
> network config.
> I do still see some other 400s that I'm trying to track down. They're
> almost all on the same page, it's on a post request to our registration
> page. The entries all look like:
> 188.8.131.52 - - [09/Dec/2010:21:09:50 -0600] "POST /register.php HTTP/1.1"
> 400 0 "http://www.site.com/register.php?src=h" "Mozilla/4.0 (compatible;
> MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; GTB6.6; SLCC2; .NET CLR
> 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0)"
> It generally seems to be IE that's triggering these (but I see IE6, IE7,
> and IE8, so not limited to one version). I don't find any corresponding
> errors in my backend apache logs, nor in the nginx error log.
> Any insights would be appreciated.
> On Tue, Dec 7, 2010 at 11:28 PM, Neil Sheth <nsheth at gmail.com> wrote:
>> I think you may be on to something, we are definitely seeing some
>> weirdness at a network level. I found an older thread of mine, forgot about
>> it, this is the same problem.
>> We're looking at the tcp/ip traffic in more detail, and things do not look
>> correct . . .
>> On Tue, Dec 7, 2010 at 8:18 PM, Mikhail Mazursky <ash2kk at gmail.com>wrote:
>>> 2010/12/8 Neil Sheth <nsheth at gmail.com>:
>>> > Hello,
>>> > Something I've been seeing for a long time here - I've posted long ago,
>>> > was never able to find a solution. Looking at our access logs, I see
>>> > of lines like (multiple times a minute)
>>> > 184.108.40.2069 - - [07/Dec/2010:19:05:51 -0600] "-" 400 0 "-" "-"
>>> > I changed my error_log to info, and I see a lot of corresponding
>>> > like:
>>> > recv() failed (104: Connection reset by peer) while reading client
>>> > line
>>> > I also set the following, but it doesn't seem to have helped, as I see
>>> a lot
>>> > of posts about this issue potentially being caused by large cookies:
>>> > large_client_header_buffers 8 4k;
>>> > Thoughts?
>>> we used to have issues like this on two of our servers when the router
>>> was setup incorrectly and some ip packets of a TCP connection were
>>> routed not to the right server. Check your network.
>>> nginx mailing list
>>> nginx at nginx.org
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