When exporting a configuration version, you can specify these headers:
Accept Accept-Charset Accept-Encoding Accept-Language Accept-Ranges Access-Control-Allow-Origin Age Allow Cache-Control Connection Content-Disposition Content-Encoding Content-Language Content-Length Content-Location Content-MD5 Content-Range Content-Security-Policy Content-Type DNT Date Etag Expect Expires From Host If-Match If-Modified-Since If-None-Match If-Range If-Unmodified-Since Last-Modified Link Location Max-Forwards Origin P3P Pragma Proxy-Authenticate Range Referer Refresh Retry-After Server Strict-Transport-Security TE Trailer Transfer-Encoding Upgrade User-Agent Vary Via WWW-Authenticate Warning X-Content-Security-Policy X-Content-Type-Options X-Forwarded-For X-Forwarded-Proto X-Frame-Options X-Powered-By X-Requested-With X-UA-Compatible X-WebKit-CSP X-XSS-Protection