Is there anyway of checking which ports are currently in use? to ensure that a port is truly busy or not.
I tried the canyouseeme.org check, and it says connection refused when only calibre is on (server is off), and when i turn on a different server appplication and make it listen to 8080 canyouseeme.org says everything is good. So.. i know it is not an ISP thing, and I know it is not a firewall thing.
Something has to be "confusing" calibre to think the port is busy, when it really is not.
Thanks.
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