What kind of security ? If someone has the executable files, how can you prevent it to install on a machine ? You can add in your application some code to test for instance the IP of the machine, then allow/forbid the application to run if the IP is notauthorized, or install some "KEY" to enter mechanism.
yes forms 6i does not know this sentence
and give error
this is the right sentence and i tried it and it work without any error
SELECT utl_inaddr.get_host_address(SUBSTR(machine, INSTR(machine,'\')+1)) ip
i mean forms 6i does not know this function sys_context