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.<br><br><a href="http://nginx.org/pipermail/nginx/2008-December/008667.html">http://nginx.org/pipermail/nginx/2008-December/008667.html</a><br>
<br>We're looking at the tcp/ip traffic in more detail, and things do not look correct . . .<br><br><div class="gmail_quote">On Tue, Dec 7, 2010 at 8:18 PM, Mikhail Mazursky <span dir="ltr"><<a href="mailto:ash2kk@gmail.com">ash2kk@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">2010/12/8 Neil Sheth <<a href="mailto:nsheth@gmail.com">nsheth@gmail.com</a>>:<br>
<div><div></div><div class="h5">> Hello,<br>
><br>
> Something I've been seeing for a long time here - I've posted long ago, but<br>
> was never able to find a solution. Looking at our access logs, I see tons<br>
> of lines like (multiple times a minute)<br>
> 123.45.6.789 - - [07/Dec/2010:19:05:51 -0600] "-" 400 0 "-" "-"<br>
><br>
> I changed my error_log to info, and I see a lot of corresponding entries<br>
> like:<br>
> recv() failed (104: Connection reset by peer) while reading client request<br>
> line<br>
><br>
> I also set the following, but it doesn't seem to have helped, as I see a lot<br>
> of posts about this issue potentially being caused by large cookies:<br>
> large_client_header_buffers 8 4k;<br>
><br>
> Thoughts?<br>
<br>
</div></div>Hello,<br>
<br>
we used to have issues like this on two of our servers when the router<br>
was setup incorrectly and some ip packets of a TCP connection were<br>
routed not to the right server. Check your network.<br>
<div><div></div><div class="h5"><br>
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