The directories that need to be emptied to delete all the logs on the Checkpoint managers.
Stop the Checkpoint service
cpstop
Remove all the log files in the $CPDIR/log/ directory
rm $CPDIR/log/*
rm $FWDIR/log/*
To also delete the Application Control logs the indexes also need deleting
cd /var/log/opt/CPrt-R80/log_indexes
rm -r audit*
rm -r other*
rm -r firewall*
rm -r smart*
cd /var/log/opt/CPrt-R80/log_indexer/log
rm *
Restart Check Point service
cpstart