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nginx proxy "504 Gateway Time-Out"

July 21, 2009 02:48PM

I'm trying to proxy a location to a backend COMET server. The COMET server holds long connections, and as such, I need nginx to proxy the connection indefinitely.

However, I always get a "504 Gateway Time-Out" after about a minute. Does anyone know why? Help would be greatly appreciated.

Here's my site conf:

upstream comet {

location /comet_long_polling {
# passes the request to node.js
proxy_pass http://comet;



Here's my proxy.conf:

proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
client_max_body_size 10m;
client_body_buffer_size 128k;
proxy_connect_timeout 6000;
proxy_send_timeout 6000;
proxy_read_timeout 6000;
proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
send_timeout 6000;
proxy_buffering off;


Subject Author Posted

nginx proxy "504 Gateway Time-Out"

chrisnx July 21, 2009 02:48PM

Re: nginx proxy "504 Gateway Time-Out"

Maxim Dounin July 21, 2009 03:04PM

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