https://github.com/h5bp/server-configs-nginx/blob/master/sit...
That github repo is a goldmine for understanding nginx configs too.
# if you compiled --with-http_spdy_module
listen 443 ssl spdy;
# amusing how many of these you'll get
location ~*\.php {
add_header "Not Found" 404;
}
# pretty sure you need to do this to have keepalive working
# between nginx and the upstream
proxy_set_header Connection "";
proxy_http_version 1.1;
# buffer writes to disk (for a busy site, you can use much larger values than 1K)
access_log /var/log/nginx/access.log buffer=1K;
# cache the ssl connction parameters
ssl_session_cache shared:SSL:20m;
ssl_session_timeout 10m;