#1 How I Spent 3 Hours Debugging a Port 80 Timeout (And What I Actually Learned About iptables)

📰 Medium · DevOps

Learn from a developer's 3-hour debugging ordeal with a Port 80 timeout on Oracle Cloud Free Tier and discover key takeaways about iptables

intermediate Published 22 Apr 2026

Action Steps

Deploy a test server on Oracle Cloud Free Tier to replicate the issue
Use iptables to configure and troubleshoot network rules
Check the security lists and rules configured for the server
Apply iptables commands to allow incoming traffic on Port 80
Test and verify the changes to resolve the timeout issue

Who Needs to Know This

DevOps engineers and developers responsible for deploying and configuring production servers can benefit from this article to improve their troubleshooting skills and knowledge of iptables

Key Insight

💡 Understanding iptables and its configuration is crucial for resolving network-related issues like Port 80 timeouts