Custom Application

1- define the custom application
set applications application custom_jlk1 protocol tcp
set applications application custom_jlk1 destination-port 8081


2-  apply it to a security policy
set security policies from-zone red to-zone blue policy test1 match application customer_jlk1


root@SRX340-1-Rack104# set security policies from-zone red to-zone blue policy test1 match application ?
Possible completions:
  <value_keyword>      Specify application or application-set name to match
  [                    Open a set of values
  any                  [applications application <*>]
  custom_jlk1          [applications application <*>]
  junos-aol            [applications application <*>]
. . .