Hi, www.scientificlinux.org has no official security certificate. This was (or is?) not a real problem, but with firefox 3 (on SL5.2 beta) you get the following "ugly" error message, if you go to www.scientificlinux.org for the first time: Secure Connection Failed www.scientificlinux.org uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. (Error code: sec_error_unknown_issuer) ... And you have to know how to accept the certificate in firefox 3 before you can access www.scientificlinux.org. I think this will confuse many new uses. Are there any plans to get an official security certificate for www.scientificlinux.org? Cheers, Urs