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Allow access to port 80 in Oracle Cloud Server

 Allow access to port 80 in Oracle Cloud Server


  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
  4. Install firewall by running: apt install firewalld
  5. SSH to your instance.
  6. While SSH'ed in your instance, run command firewall-cmd --permanent --add-service=http.
  7. or sudo firewall-cmd --permanent --add-port=80/tcp
  8. While SSH'ed in your instance, run command firewall-cmd --reload.
  9. Now start Apache, NGINX, or whatever server you need to on port 80. You can now access from the internet.
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