.Pp
The direction of a policy must be specified as
one of:
.Li out ,
.Li out
.Li in ,
or
.Li in .
The direction is followed by one of the following processing actions:
.Li discard ,
.Li none ,
.Li ipsec .
The
.Li discard
direction
processing action
means that packets matching the supplied indices will be discarded
while
.Li none