$ lwp-request -USEd -H "Referer: http://localhost" http://example.com GET http://example.com Referer: http://localhost User-Agent: lwp-request/6.15 libwww-perl/6.15 200 OK Cache-Control: max-age=604800 Connection: close Date: Sun, 29 Jan 2017 23:41:21 GMT ETag: "359670651+ident" Server: ECS (rhv/818F) Vary: Accept-Encoding Content-Length: 1270 Content-Type: text/html Expires: Sun, 05 Feb 2017 23:41:21 GMT Last-Modified: Fri, 09 Aug 2013 23:54:35 GMT Client-Date: Sun, 29 Jan 2017 23:55:28 GMT Client-Peer: 93.184.216.34:80 Client-Response-Num: 1 Title: Example Domain X-Cache: HIT X-Ec-Custom-Error: 1 X-Meta-Charset: utf-8 X-Meta-Viewport: width=device-width, initial-scale=1