Dear Peter Definitely I tried it already before writing to group. It does not work. Here is the exact error message for this try: ipfw: hostname ``'' unknown PP> On Fri, Feb 06, 2004 at 01:17:06PM +0300, freebsd at tern.ru wrote: PP> Could you try PP> ipfw add count from IP1 to not { IP2,IP3 } PP> G'luck, PP> Peter