Opening port 80 on Oracle Cloud Infrastructure Compute node [closed]

Answer 1

Pre-Requisite

1. VM instance should have been created and running
2. Access to Public and Private keys used during the creation of VM instance

Log into the VM using SSH and run the following command

$ sudo iptables --list --line-numbers

It will show the details about Chain INPUT (policy ACCEPT). From the list required to Delete REJECT all rule in the IPTABLES.

$ sudo iptables -D INPUT 
e.g.
$ sudo iptables -D INPUT 6

Check if the REJECT rule is deleted

sudo iptables --list --line-numbers 

Access the Default Security List and Edit Ingress Rules to Allow Internet Traffic on Port

Edit the INGRES Rule Add CIDR 0.0.0.0/0 TCP Destination 9999 (N): Networking >Virtual Cloud Networks> Virtual Cloud Network Details>Security Lists> Security List Details

Access your application via web browser

Type http://:port