Change port for IBMi Access Client

Currently we are using IBMi Access Client to connect to our AS400 systems and it is doing it via port 23. Per our security group. We need to change this to use a more secure port i.e. port 992. We have read some documentations that we need to make this change by updating certificate information. We are using some sort of certificate but from what I can tell, they all are expired and not maintained and not sure how to make this change to use port 992 instead of port 23. Would anyone have any suggestions? Thank you.


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