Hello,
I want to switch the UTM 9 User Portal to use port 4433.
However, after setting the port in the Advanced settings, I get the following error when turning the User Portal "on":
The TCP port '4433' is already in use by the port.
This is pretty cryptic. I don't recall setting up that port anywhere in the configuration. Also, I tried the following command on the CL:
iptables -L -n|grep 4433
The above yielded no results.
Why is that error message showing up? What's using up port 4433 or how do I find it?
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