WWW servers.

Does there currently exist a system which permits webservers to restrict access to clients who have a given certification? What is the current certification practice? How easy is it to certify a given client? Are webserver certifications sufficently secure today? What are the best servers to use for secure web pages and certification currently in the United States? --- My preferred and soon to be permanent e-mail address:unicorn@schloss.li "In fact, had Bancroft not existed, potestas scientiae in usu est Franklin might have had to invent him." in nihilum nil posse reverti 00B9289C28DC0E55 E16D5378B81E1C96 - Finger for Current Key Information Opp. Counsel: For all your expert testimony needs: jimbell@pacifier.com