I also tried to checkout the source from the CVS directory at CVSROOT=:pserver:anonymous@cvs.fedora.redhat.com:/cvs/dirsec, which is mentioned here:
http://directory.fedoraproject.org/wiki/Auto_Enroll_Build.
But this CVS server refuses my connection attempt (on port 2401) with both TortoiseCVS on Windows and with cvs from a System running Fedora 13. I can ping the server though.
Should this CVS server allow checkouts with the user name "anonymous"? Do I need another user name?