 <p>My buddy wrote an entry on this exact thing a while back:</p> <p><a href="http://blogs.collab.net/subversion/2007/03/authz_and_anon_/">http://blogs.collab.net/subversion/2007/03/authz_and_anon_/</a></p> <p>He has a few suggestions in there about how you might handle this, although I'm not guaranteeing you'll agree with the options.</p>