Hello, you can c[root@power ~]# nmap 3.19.54.162
Starting Nmap 6.40 ( http://nmap.org ) at 2021-02-27 21:17 CST
Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn
Nmap done: 1 IP address (0 hosts up) scanned in 3.07 seconds
[root@power ~]# telnet 3.19.54.162 8888
Trying 3.19.54.162...
telnet: connect to address 3.19.54.162: Connection timed outonsult aws over there, it is not possible to connect nmap and telnet to your port 8888 here