It won't happen every time, but if you refresh a few times you can 503 it. $ curl --verbose http://infra-status.gentoo.org/ * Adding handle: conn: 0x5884fff90 * Adding handle: send: 0 * Adding handle: recv: 0 * Curl_addHandleToPipeline: length: 1 * - Conn 0 (0x5884fff90) send_pipe: 1, recv_pipe: 0 * About to connect() to infra-status.gentoo.org port 80 (#0) * Trying 140.211.166.178... * Connected to infra-status.gentoo.org (140.211.166.178) port 80 (#0) > GET / HTTP/1.1 > User-Agent: curl/7.33.0 > Host: infra-status.gentoo.org > Accept: */* > < HTTP/1.1 503 Service Temporarily Unavailable < Content-Type: text/html; charset=iso-8859-1 < Content-Length: 396 < Date: Mon, 06 Jan 2014 18:55:27 GMT < X-Varnish: 1153843779 < Age: 0 < Via: 1.1 varnish < Connection: keep-alive < <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>503 Service Temporarily Unavailable</title> </head><body> <h1>Service Temporarily Unavailable</h1> <p>The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.</p> <hr> <address>Apache Server at infra-status.gentoo.org Port 80</address> </body></html> * Connection #0 to host infra-status.gentoo.org left intact
One of the backends was down it is fixed now. -A