How to set up remote debug of springBoot application in intellij idea?

Question

Java

server on debain 9
using nginx
what i did:
run jar on server like this: java -Xdebug -Xrunjdwp:server=y,transport=dt_socket,address=8000,suspend=n\ -jar my.jar (as in article https:/ /docs.spring.io/spring-boot/docs/current-SN...
Run the jar like this:
java -Xdebug -Xrunjdwp:server=y,transport=dt_socket,address=8000,suspend=n -jar my.jar
set up idea so:

and so: I

checked the ports on the server with the command: lsof -n -P | grep LISTEN
Result:

nmap -p 8000 xx.xxx.xxx.xxx command
result: Debug

still does not want to connect.

Answer 1

Maybe Linux SE is enabled and blocking external connections?
It looks like the problem is in the firewall on the server.