fas% telnet 140.247.30.64 80
Trying 140.247.30.64...
Connected to 140.247.30.64.
Escape character is '^]'.
HEAD /~cscie12/assignments/ HTTP/1.1
Host: www.courses.fas.harvard.edu

HTTP/1.1 401 Authorization Required
Date: Mon, 22 Nov 1999 17:42:29 GMT
Server: Apache/1.3.6 (Unix) mod_perl/1.21 secured_by_Raven/1.4.1
WWW-Authenticate: Basic realm="CSCIE12 Assignment Submission"