Versions of Gossamer Forum from 1.1.4 to 1.1.8 have a bug that causes forum banning to not work properly. If using one of these versions, download the attached file, and replace the existing /path/to/your/admin/GForum/Bans.pm with it.
Jason Rhinelander
Gossamer Threads
jason@gossamer-threads.com
Jason Rhinelander
Gossamer Threads
jason@gossamer-threads.com