If you are a user of FireHOL, the best thing you can do is join the support mailing list. New release and security announcements will be made to this list and you can get help from the authors and other experienced users of FireHOL.
You can read and search the list at GMane to check to see if your question has been answered before.
If you think you've found a bug, the FireHOL issue tracker is the best place to report it.
If you create an entry tagged help, we will also try to help you on more general topics.
The preferred methods of contact are above. They enable the whole community to benefit from any discussion.
If you need to correspond with us confidentially, e.g. on security matters, you can do so with the following: