cmd->输入telnet www.sina.com 80
第二步:
按下ctrl + 】 ,打开回显的意思。
第三步:
按下回车,输入 get/http/1.0
第四步:按两下回车,即可查看相关信息。
注意:
操作一定要在5秒之内,否则可能会出现超时无法连接。
显示如下:
get/http/1.0 HTTP/1.0 400 Bad Request Server: squid/2.6.STABLE21 Date: Mon, 24 Jan 2011 01:42:23 GMT Content-Type: text/html Content-Length: 1202 Expires: Mon, 24 Jan 2011 01:42:23 GMT X-Squid-Error: ERR_INVALID_REQ 0 X-Cache: MISS from xd33-91.HP08040030.sina.com.cn Proxy-Connection: close <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.or g/TR/html4/loose.dtd"> <HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/ html; charset=iso-8859-1"> <TITLE>ERROR: The requested URL could not be retrieved </TITLE> <STYLE type="text/css"><!--BODY{background-color:#ffffff;font-family:ver dana,sans-serif}PRE{font-family:sans-serif}--></STYLE> </HEAD><BODY> <H1>ERROR</H1 > <H2>The requested URL could not be retrieved</H2> <HR noshade size="1px"> <P>