BTW, I just noticed that it could help to update http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=4320229 to reflect the fact that the issue documented there will be fixed with the fix for http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=4300326 for cases where stateful RPC inspection is available on the respective firewall.
Nils