X3270PORT environment variable
The X3270PORT
environment variable contains a TCP port number used by a script to pass actions to the emulator. Scripts are run by the Script() action.
The emulator listens to that port on the IPv4 loopback address, 127.0.0.1
.
The script uses the s3270 protocol to communicate with the emulator.
Examples
The port is a randomly-chosen ephemeral port number.
12345