check web server!!!

sitlhj

check web server!!!
(1)sitlhj# telnet sitlhj.chanix.net 80
Trying 172.16.10.14...
Connected to sitlhj.chanix.net.
Escape character is '^]'.
HEAD / HTTP/1.0
HTTP/1.1 200 OK
Date: Fri, 22 Oct 2004 02:42:09 GMT
Server: Apache/2.0.48 (Unix)
Content-Location: index.html.en
Vary: negotiate,accept-language,accept-charset
TCN: choice
Last-Modified: Fri, 05 Dec 2003 12:08:53 GMT
ETag: "6893d-5ed-92583f40;68953-961-92860600"
Accept-Ranges: bytes
Content-Length: 1517
Connection: close
Content-Type: text/html; charset=GB2312
Content-Language: en
Expires: Fri, 22 Oct 2004 02:42:09 GMT
Connection closed by foreign host.
(2)sitlhj# telnet WWW.163.COM 80
Trying 202.108.36.196...
Connected to WWW.163.COM.
Escape character is '^]'.
HEAD / HTTP/1.0
HTTP/1.0 403 Forbidden
Server: squid/2.5.STABLE6
Mime-Version: 1.0
Date: Fri, 22 Oct 2004 02:36:45 GMT
Content-Type: text/html
Content-Length: 1069
Expires: Fri, 22 Oct 2004 02:36:45 GMT
X-Squid-Error: ERR_ACCESS_DENIED 0
X-Cache: MISS from localhost
Connection: close
Connection closed by foreign host.
(3)sitlhj# telnet www.zxinfo.com.cn 80
Trying 218.90.167.74...
Connected to www.zxinfo.com.cn.
Escape character is '^]'.
HEAD / HTTP/1.0
HTTP/1.1 200 OK
Content-Length: 1193
Content-Type: text/html
Content-Location: http://218.90.167.74/iisstart.htm
Last-Modified: Fri, 21 Feb 2003 12:15:52 GMT
Accept-Ranges: bytes
ETag: "0ce1f9a2d9c21:be6"
Server: Microsoft-IIS/6.0
Date: Fri, 22 Oct 2004 02:41:33 GMT
Connection: close
Connection closed by foreign host.

Server: Apache/2.0.48 (Unix)  Server: Microsoft-IIS/6.0 but why www.163.com Server: squid/2.5.STABLE6???

bend

you can findu squid in goole,goole can tell you what is squid

peng

很正常啊。。首页用squid做反相代理，能httpd负载均衡，也能降低io的负载。。