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Figure 10	Figure 11	Figure 12	mar99.tar

Figure 11: netcat used to connect to a port

nc www.ABC.com 80

(We type)

HEAD / HTTP/1.0  

(Response)
HTTP/1.1 200 OK
Server: Netscape-Enterprise/3.0J
Date: Thu, 03 Dec 1998 20:36:47 GMT
Content-type: text/html
Connection: close