Simple proxy occasionally fails
mdounin at mdounin.ru
Wed Aug 13 12:25:06 MSD 2008
On Tue, Aug 12, 2008 at 08:10:10PM -0700, Kris S. Amundson wrote:
>Simple proxy config fails occasionally with errors. Apache and nginx are
>running on 4 web servers. Nginx is used by the web app to proxy between two
>lucene/solr search servers.
>Nginx config on each web server:
>Every so often I get a crit error:
It looks like you are facing firewall sometimes blocking
connections to backend. I've seen this happending with pf when
new connection collide with already existing state in pf for
connection in TIME_WAIT state.
Solution is to switch firewall off (or at least statefull part of
it) for backend connections.
More information about the nginx