How I Secured a Linux Server from Scratch: HNG DevOps Stage 0

It sounds like you've encountered an issue related to the firewall settings on Oracle Cloud that might be blocking your Nginx server from receiving traffic. Here's how you can address this:

Step 8: Configuring Oracle Cloud Security Rules

1. Access the Console: Log in to your Oracle Cloud console and navigate to the Networking section.

2. Security Lists: Go to "Virtual Cloud Networks" (VCNs) and select the VCN associated with your instance. Then, under "Security," find the security list attached to your subnet.

3. Add Inbound Rules:

   • Click on the security list name.
   • Add inbound rules for ports 80 and 443 if they don't already exist.
     • Protocol: TCP
     • Source CIDR: 0.0.0.0/0 (or a more restrictive IP range if you prefer)
     • Destination Port Range:
       • For HTTP: 80
       • For HTTPS: 443

   Example rules:

   plaintext
    
   1- Protocol: TCP, Source CIDR: 0.0.0.0/0, Destination Port Range: 80
   2-

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