Simplify random port allocation, and add net.inet.ip.portrange.randomized, which can be used to turn off randomized port allocation if so desired.
Simplify random port allocation, and add net.inet.ip.portrange.randomized,
which can be used to turn off randomized port allocation if so desired.

Requested by:	alfred

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