Centos doesn't open port 9000 for Xdebug and NetBeans what could be the problem?

Try to open port 9000 for Xdebug and NetBeans does not work.
Prescribe rules in iptables, save, restart and still not working.
A screenshot of iptables
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Scanning which ports are open by using nmap and netstat
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I will try to connect with a computer. Screenshot:
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What could be the problem?
July 8th 19 at 12:02

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1 answer
July 8th 19 at 12:04
And in General, not visible to apache listening on this port. Hmm, SELinux is enabled? Probably it blocks, nothing more, if xdebug is configured correctly.
Can the dmesg output?

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