Nginx Zero Size Buffer Alerts !!

[shahzaib shahzaib]

Hi,

Alright then, thanks for clarification.

Regards.
Shahzaib

On Fri, Feb 26, 2016 at 5:12 PM, Valentin V. Bartenev <vbart at nginx.com>
wrote:

> On Friday 26 February 2016 16:05:28 shahzaib shahzaib wrote:
> > Hi,
> >
> > We've many zero size buff alerts related to file_uploader.php file in
> nginx
> > logs :
> >
> >
> > 2016/02/26 12:56:02 [alert] 71067#0: *12457068 zero size buf in output
> t:0
> > r:0 f:1 0000000000000000 0000000000000000-0000000000000000
> 0000000803E29F08
> > 0-0 while sending request to upstream, client: 182.178.58.123, server:
> > domain.com request: "OPTIONS /actions/file_uploader.php HTTP/1.1",
> > upstream: "fastcgi://unix:/var/run/www.socket:", host: "domain.com"
> >
> > ---------------------------------------------
> >
> > Here is our Nginx Version :
> >
> > [root at cw001 /usr/local/etc]# nginx -V
> > nginx version: nginx/1.8.0
> > built with OpenSSL 1.0.1j-freebsd 15 Oct 2014 (running with OpenSSL
> > 1.0.1l-freebsd 15 Jan 2015)
> > TLS SNI support enabled
> > configure arguments: --prefix=/usr/local/etc/nginx --with-cc-opt='-I
> > /usr/local/include' --with-ld-opt='-L /usr/local/lib'
> > --conf-path=/usr/local/etc/nginx/nginx.conf
> > --sbin-path=/usr/local/sbin/nginx --pid-path=/var/run/nginx.pid
> > --error-log-path=/var/log/nginx-error.log --user=www --group=www
> > --with-file-aio --with-ipv6
> > --http-client-body-temp-path=/var/tmp/nginx/client_body_temp
> > --http-fastcgi-temp-path=/var/tmp/nginx/fastcgi_temp
> > --http-proxy-temp-path=/var/tmp/nginx/proxy_temp
> > --http-scgi-temp-path=/var/tmp/nginx/scgi_temp
> > --http-uwsgi-temp-path=/var/tmp/nginx/uwsgi_temp
> > --http-log-path=/var/log/nginx-access.log --with-http_flv_module
> > --with-http_geoip_module --with-http_mp4_module --with-http_realip_module
> > --with-http_secure_link_module --with-http_stub_status_module --with-pcre
> > --with-http_spdy_module --with-http_ssl_module
> >
> > ---------------------------------------------------
> >
> > We don't have 3rd party module installed with nginx. Please let me know
> if
> > i am missing something important here which could be cause of these
> errors ?
> >
> > Thanks in advance !!
> >
> [..]
>
> If you're using spdy, then that is known issue.  You can ignore this alert.
>
>   wbr, Valentin V. Bartenev
>
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