Port 19132 in LAN or WAN

Hi.
I have PMMP and Minecraft Server (Spigot) installed on a Linux Centos 8 server. I did the indicated installation and everything very well (wget -q -O - https://get.pmmp.io | bash -s -). The server works very well, but when doing a scan (nmap -p 25565,19132 -T4 -A -v 192.168.1.20), it only finds port 25565:
"...............................................
Nmap scan report for 192.168.1.20
Host is up (0.00034s latency).
PORT STATE SERVICE VERSION
19132/tcp closed unknown
25565/tcp open minecraft Minecraft 1.8.5 (Protocol: 127, Message: 0----------4TrollfLanda[1.8.X]0-----------------------------ll9Server5Troll, Users: 1/100)
MAC Address: 186:C7:04:A9:1B (Tp-link Technologies)
Device type: general purpose
Running: Linux 3.X|4.X
OS CPE: cpe:/o:linux:linux_kernel:3 cpe:/o:linux:linux_kernel:4
OS details: Linux 3.2 - 4.8
........................................."
The closed port always appears from LAN or WAN. But the server is working fine (Disable the firewall).
Why does the open port not appear?
TankYou Very much

 

You have to open port 19132 UDP

 

Tank you for reply.
Yes. I have open ports 19132 tcp and udp.
But now i see port with nmap. I change "enable-rcon" to On in server.properties.

 

enable-rcon has nothing to do with that (also on newer PMMP versions it doesn't even do anything at all).
Maybe your nmap scan is just wrong? Have you even tried actually joining it?

 

Yes. I can Joining.
Tank you.

 

I using Cent OS one time to host my pocketmine server, but not works, I think it's better migrate to Debian 10 or Ubuntu 18.04

 

Why would he want to change it, if it works for him now?