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Open Port 80 Oracle Cloud Compute Instance (CentOS)

Open Port 80 Oracle Cloud Compute Instance (CentOS)

FYI This was harder than it needed to be:

  1. Looking at your instance info, find VNIC section, click "Public Subnet".
  2. Click on your security list.
  3. Add a new entry with the following options:
  • "Stateless" = No, "Source" = 0.0.0.0/0, "IP Protocol" = TCP, "Source Port Range" = All, "Destination Port Range" = 80
  1. SSH to your instance.
  2. While SSH'ed in your instance, run command firewall-cmd --permanent --add-service=http.
  3. While SSH'ed in your instance, run command firewall-cmd --reload.
  4. Now start Apache, NGINX, or whatever server you need to on port 80. You can now access from the internet.
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