Please submit this information at SourceForge using this URL:
http://sourceforge.net/tracker/?func=add&group_id=169098&atid=849053

Please also send an email to darrenr@reed.wattle.id.au.

Some information that I generally find important:
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* IP Filter Version
* Operating System and its Version
* Configuration: (LKM or compiled-into-kernel)
* Description of problem
* How to repeat