Oracle OCI Compute Ubuntu 18.04 Instance Open Port 80

Setting Up Firewall Rules

1. 1. Setting Up Security Rules

   First, Add Security Rule
   Access the Oracle OCI Console on Browser.
   On the Instance Details Choose ‘Public Subnet‘:

   

   Next, see the Existing Resources on the Bottom Left, if existing some ‘Security Lists‘ or ‘Network Security Groups‘:

   

   Here below in Case of a Network Security Group:

   

   Alternatively a similar Procedure may be performed by a ‘Securty List’ Firewall Rule.
   So, Check the actual Setup:

   

   Finally, provide to Add TCP 80 Ingress and Egress Rules like here below: