Campbell Scientific LoggerNet Datalogger Support Software - Manual (Page 115)

Section 4. Setting up Datalogger Networks
17338. However, if a firewall is in use, the port value may be changed when
passed through the firewall.
The IP Manager Key is the 128-bit encryption key used for decoding
transmissions from all AirLink modems used in the datalogger network. This
setting must match the setting in the modems for the transmission to be
successfully interpreted. LoggerNet’s default value in the IP Manager Key
field is the default for the AirLink modems.
Note that in addition to these settings, an ID for each modem is set on the
IPPort’s Hardware tab of the Setup Screen (AirLink Modem Name).
4.2.8.1.4.1 Troubleshooting Tips
If the computer on which the LoggerNet server is running is set up behind a
firewall, the administrator of that firewall must open a hole in the firewall to
allow the incoming notifications to reach the server.
LoggerNet will be unable to open the UDP port if another process is using it.
To determine what ports are being used by processes on the system, the
following command can be issued at a command prompt:
netstat -a -p UDP -n
where:
-a Displays all connections and listening ports
-p UDP Specifies to show connections for UDP protocol
-n Returns addresses and port numbers in numerical form
4.2.8.2 Copy Device Settings
4-59