The Joomla! Project has just announced the availability of Joomla! 1.6.3, which fixes several issues that were affecting the 1.6.2 backend functionality. 
RSFirewall! has been updated with Joomla! 1.6.3 hash files as well.
If you're using 1.6 on production environments, we recommend updating both Joomla! and RSFirewall! to the latest revisions (Joomla! 1.6.3, respective RSFirewall! rev. 25).
How to update to RSFirewall! revision 25?
Read the changelog
