On Fri, Feb 22, 2013 at 04:43:35PM +0400, Wesley M.A. wrote: > Hi, > > I just see this in the pf.conf manpage: > > once Creates a one shot rule that will remove itself from an active > ruleset after the first match. In case this is the only > rule in > the anchor, the anchor will be destroyed automatically after > the > rule is matched. > > It is a excellent feature, is it possible to have a example of use ?
For testing purpose, for DIY port knocking..
