A new version of rev. 1.4: postpone a temporary file creation until we realize if ipfw(4) ever used.
A new version of rev. 1.4: postpone a temporary file creation
until we realize if ipfw(4) ever used.

PR:		bin/85970
Submitted by:	Andre Albsmeier
MFC after:	3 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase