HTTP/1.1 200 OKDate: Mon, 09 Dec 2019 05:08:42 GMTServer: ApacheX-Powered-By: PHP/5.4.45-0+deb7u25X-Drupal-Cache: HITX-Frame-Options: ALLOW-FROM https://canvas.ox.ac.ukContent-Language: enLink: ; rel="canonical",; rel="shortlink"Cache-Control: public, max-age=1800Vary: Cookie,Accept-Encoding,X-Forwarded-ProtoContent-Encoding: gzipX-Content-Type-Options: nosniffLast-Modified: Mon, 09 Dec 2019 04:35:36 GMTContent-Type: text/html; charset=utf-8Content-Length: 17741Accept-Ranges: bytesX-Varnish: 46206760 46185028Age: 1506Via: 1.1 varnishX-Cache: HIT