how to set the proxy buffer if web server return large cookie via Set-Cookie

[Maxim Dounin]

Hello!

On Thu, Nov 03, 2011 at 10:49:52AM +0800, Delta Yeh wrote:

> Hi,
> 
>   According to http://nginx.org/en/docs/http/ngx_http_core_module.html#large_client_header_buffers,
>   for long uri or large cookie from browser, I can use
> large_client_header_buffers  .
>   For the large cookie from web server via Set-Cookie, how to set proxy buffer?
> 
>   Should I set proxy_buffer_size  the same size  as large_client_header_buffers?
>   Or set the proxy_buffers  the same as   large_client_header_buffers?
> 
>   For example, there is a 32k cookie
>     location / {
>     large_client_header_buffers  4 32k;
>     proxy_buffer_size  32k;
>    proxy_pass ....
> }
> 
>   or
> 
>  location / {
>     large_client_header_buffers  4 32k;
>     proxy_buffers  4 32k;
> 
>    proxy_pass ....
> }
> 
> 
> According to the WIKI, I prefer proxy_buffers directive.

Response headers from upstream have to fit into proxy_buffer_size 
buffer.  The proxy_buffers directive is used when reading response 
body from upstream, not headers.

Maxim Dounin