view conf/fastcgi_params @ 5735:5fb1e57c758a

Entity tags: explicit flag to skip not modified filter. Previously, last_modified_time was tested against -1 to check if the not modified filter should be skipped. Notably, this prevented nginx from additional If-Modified-Since (et al.) checks on proxied responses. Such behaviour is suboptimal in some cases though, as checks are always skipped on responses from a cache with ETag only (without Last-Modified), resulting in If-None-Match being ignored in such cases. Additionally, it was not possible to return 412 from the If-Unmodified-Since if last modification time was not known for some reason. This change introduces explicit r->disable_not_modified flag instead, which is set by ngx_http_upstream_process_headers().
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 26 Jun 2014 02:27:11 +0400
parents 352a7b025f2e
children 62869a9b2e7d
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fastcgi_param  QUERY_STRING       $query_string;
fastcgi_param  REQUEST_METHOD     $request_method;
fastcgi_param  CONTENT_TYPE       $content_type;
fastcgi_param  CONTENT_LENGTH     $content_length;

fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
fastcgi_param  REQUEST_URI        $request_uri;
fastcgi_param  DOCUMENT_URI       $document_uri;
fastcgi_param  DOCUMENT_ROOT      $document_root;
fastcgi_param  SERVER_PROTOCOL    $server_protocol;
fastcgi_param  HTTPS              $https if_not_empty;

fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
fastcgi_param  SERVER_SOFTWARE    nginx/$nginx_version;

fastcgi_param  REMOTE_ADDR        $remote_addr;
fastcgi_param  REMOTE_PORT        $remote_port;
fastcgi_param  SERVER_ADDR        $server_addr;
fastcgi_param  SERVER_PORT        $server_port;
fastcgi_param  SERVER_NAME        $server_name;

# PHP only, required if PHP was built with --enable-force-cgi-redirect
fastcgi_param  REDIRECT_STATUS    200;