Return to Contents 5.0 Internet Address Sources There are a myriad of ways to find Internet addresses on-line. All it takes is a little time and a lot of patience with one of the Internet reference tools. The World Wide Web offers a consistent user interface and gateways into many on-line white pages and other address databases. In addition to providing a complete U.S. telephone white pages directory and over 7 million unique Email address listings, Four11 includes address information about personal Web pages, Internet Telephone and video phone listings, digital business cards, and digital PGP certificates which enable secure Email. Visitors to the site can easily conduct searches using a range of parameters including name, location, high school or college affiliation, personal and professional interests and previous Email address.
Special features are available for registered users.
While the free self-registration is encouraged and provides upgraded service options, it is not required to use the directory. Finger Finger is a UNIX program that can be used to find a log-on name and other information if you know the host computer. It doesn't always work - the remote machine may refuse the finger request. If your target has an account on the host machine, and the host allows finger, you'll get the user names you are after and the last time they logged on. They can also be searched using the whois command, which is supported on many UNIX systems.