[SOLVED] tomcat installed in remote Ubuntu server doesn't connect using http://myIpAdress:8080

tomcat installed in remote Ubuntu server doesn't connect using http://myIpAdress:8080

I have a remote server : Ubuntu 22.04. I have installed Tomcat 10 based on this tutorial .

tomcat is running:

root@server:/opt/tomcat/conf# sudo systemctl status tomcat
● tomcat.service - Tomcat
    Loaded: loaded (/etc/systemd/system/tomcat.service; enabled; vendor preset: enabled)
    Active: active (running) since Tue 2023-07-18 09:42:35 UTC; 3s ago
   Process: 18433 ExecStart=/opt/tomcat/bin/startup.sh (code=exited, status=0/SUCCESS)
  Main PID: 18440 (java)
     Tasks: 31 (limit: 18973)
    Memory: 108.9M
       CPU: 3.399s
    CGroup: /system.slice/tomcat.service
            └─18440 /usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java -Djava.util.logging.config.file=/opt/tomcat/conf/l>

Also the port 8080 is open and used by tomcat:

root@server:/opt/tomcat/conf# netstat -nat|grep :8080
tcp6       0      0 :::8080                 :::*                    LISTEN

root@server:/opt/tomcat/conf# sudo lsof -i :8080
COMMAND   PID   USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
java    18606 tomcat   42u  IPv6 108428      0t0  TCP *:http-alt (LISTEN)

The firewall is desabled :

root@server:/opt/tomcat/conf# sudo ufw status
Status: inactive

When I type http://myIpAdress in my browser, it shows this :

https://i.sstatic.net/zu6Vn.png

But when I try to connect in browser using http://myIpAdress:8080 it doesn't work : https://i.sstatic.net/k77az.png

Have you any idea why tomcat doesn't work on browser?

Solution

The port 8080 was open and the firewall was desabled, But the server's administrator was blocking the connection to this port. It works fine after the adminitrator's intervention.