I use apache+php+mysql as web server on port 8080, and run nginx as front proxy on port 80, in nginx.conf:
[code]
location / {
proxy_pass http://www.abc.com:8080;
proxy_set_header X-Real-IP $remote_addr;
}
client_max_body_size 50m;
client_body_buffer_size 256k;
client_header_timeout 3m;
client_body_timeout 3m;
send_timeout 3m;
sendfile on;
tcp_nopush on;
keepalive_timeout 300;
tcp_nodelay on;
[/code]

When I access www.abc.com:80, sometimes it will said:
[code]
The page you are looking for is temporarily unavailable.

Please try again later.
[/code]

I don't know why, who can help me?