Does anyone know of any addons to nginx that would let it do content checks to determine if an upstream server is alive or not, i.e. check a certain page for a given string? We are hoping to replace a lot of old ldirectord load balancers but this is a feature we really need to have. All too often a web server (cough cough IIS) will be responding to connections but giving errors instead of showby Smatchimo - Nginx Mailing List - English