>> For Security Reasons, the Library of Congress has begun filtering (blocking) >> HTTP requests that do not express a userAgent in the header. > > Curiosity compels me to ask, is there a whitelist of user agents allowed? Or is it just the presence of any user agent, even something like "RadHackerzTotalAnnoyanceDDOSmytotalllyrandomstringperrequest", allowed? :-D I was wondering the same thing. —ELM