Bind Detection Problem?

[3guys]

I have bind failures set at 100 but it is blocking at 5...is this a bug or am I doing something wrong?

My settings are:
LF_BIND = 100
LF_BIND_PERM = 1

Here is an example email:
Failures: 5 (bind)
Interval: 300 seconds
Blocked: Permanent Block

Log entries:

Feb 2 09:53:08 q named[3371]: client 69.162.74.234#18829: query (cache) 'xxxxxxxxx.com/ANY/IN' denied
Feb 2 09:53:08 q named[3371]: client 69.162.74.234#18829: query (cache) 'xxxxxxxxxx.com/SOA/IN' denied
Feb 2 09:53:08 q named[3371]: client 69.162.74.234#18829: query (cache) 'xxxxxxx.com/A/IN' denied
Feb 2 09:53:09 q named[3371]: client 69.162.74.234#18829: query (cache) 'xxxxxxxxx/MX/IN' denied
Feb 2 09:53:09 q named[3371]: client 69.162.74.234#18829: query (cache) 'xxxxxxxxxxx/A/IN' denied

[3guys]

Additional info....

CSF 5.73
Cent 6.3 64 bit
Direct Admin