[boost] [Trac] We're getting spammed!

The Trac ticket system seems to be getting spammed on a regular basis at the moment, here are *four* of my old tickets that just got hit today: https://svn.boost.org/trac/boost/ticket/3632 https://svn.boost.org/trac/boost/ticket/1648#comment:4 https://svn.boost.org/trac/boost/ticket/2445#comment:2 https://svn.boost.org/trac/boost/ticket/3425#comment:2 Is there anything we can do to prevent this? John.