Ensuring Up-to-date Cloudflare IP Addresses in Nginx Configuration

When operating a web server, the reliability and performance of your server configuration can be heavily impacted by how well it handles traffic. One key aspect of this is managing IP addresses, particularly when dealing with reverse proxies like Cloudflare. Although Cloudflare’s IP addresses are not expected to change frequently, it remains crucial to stay synchronised with their most current IP ranges. This is where the cloudflare-nginx-snippets project steps in to automate the process.

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Nginx 80 is blocked in Oracle Cloud Server?

The Oracle Always Free plan is an excellent option, but I found myself struggling with their firewall settings while attempting to run an Nginx web server. Despite enabling port 80 in both the network security groups and security lists, it was still being blocked for unknown reasons.

Firstly I checked the ufw settings and it was disabled definitely. However, when I looked at the iptable rules by executing sudo iptables -L, I was surprised by lots of existing rules there.

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