I installed Tomcat as an unprivileged user in IBM AIX [not Linux].
I need to use SSL port 443 but an error of 8443 appeared. For Linux, you can use iptables,
But what is solution in AIX?
Error when using the IBM AIX
Seems as if the port that you are using is blocking some of the connections that the system is trying to make.
The first thing you can do is to clean this port and then proceed.
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First go to portforward.com and see which ports are blocked or are in stealth mode.
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It will scan the ports of the entire computer. you will see the red as blocked ports.
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Now go to the router page, usually its 192.168.1.1 and go to port forward settings.
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Enter the port numbers that were red in the scan. Do it one by one as it will be easy to do and will not mingle up.
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Use both the TCP/UDP connection types for this.
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Save the settings and restart the modem.