502 Bad Gateway w/ Large Headers

Igor Sysoev is at rambler-co.ru
Thu Oct 23 19:41:40 MSD 2008

On Thu, Oct 23, 2008 at 10:36:11AM -0500, Clint Priest wrote:

> I'm trying out this software FirePHP which is an out-of-band error 
> logging that works with PHP and Firebug. 
> With nginx setup as a load balancer, whenever large headers are being 
> passed back (from FirePHP) it causes nginx to send back a 502 Bad 
> Gateway message.
> Here are the headers being sent (I received these by going around the 
> load balancer directly to the web server behind nginx).

If you use proxying, then try something like

    proxy_buffer_size  16k;    # this is for header and first body part
    proxy_buffers      4 16k;

Igor Sysoev

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