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

Delta Yeh delta.yeh at gmail.com
Thu Nov 3 07:51:07 UTC 2011


So to resolve large cookie issue, the config should be:

    location / {
     large_client_header_buffers  4 32k;
     proxy_buffer_size  32k;
    proxy_pass ....
 }

For  response, default proxy_buffers should be OK for most web application.


2011/11/3 Maxim Dounin <mdounin at mdounin.ru>:
> 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
>



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