Proxy Server 允许 PURGE 请求清除缓存的 URL。如果成功清除了所请求的 URL,服务器会发送 HTTP 状态码为 200(正常)的响应。如果未缓存所指定的 URL,则会发送 404(未找到)响应。
在以下示例中,服务器返回值 200。
bash-2.03$ telnet localhost 8088 Trying 172.9.10.1... Connected to localhost. Escape character is '^]'. PURGE http://foo.com/ HTTP/1.0 HTTP/1.1 200 OK Server: Sun-Java-System-Web-Proxy-Server/4.0 Date: Fri, 26 Oct 2007 08:15:30 GMT Connection: close
在以下示例中,服务器返回值 404。
Connection closed by foreign host. bash-2.03$ telnet localhost 8088 Trying 172.9.10.1... Connected to localhost. Escape character is '^]'. PURGE http://foo.com/ HTTP/1.0 HTTP/1.1 404 Not Found Server: Sun-Java-System-Web-Proxy-Server/4.0 Date: Mon, 17 Sep 2007 10:13:28 GMT Content-length: 96 Content-type: text/html Connection: close