Use nc(netcat) to check the DataPower service ports

To check the SSH service (default port 22):

nc -z $IP 22

To check the XML Management Interface (default port 5550):

nc -z $IP 5550

To check the SNMP (UDP port 161):

nc -zu $IP 161

If connection is successful, it will report a message like:

Connection to $IP 22 port [tcp/ssh] succeeded!

and exit with 0.

Reference: nc(1) – Linux man page

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