Dealing with a Website Outage: A Technical Dive into Troubleshooting
This morning, my website, allofphysics.com, faced a devastating 504 Gateway Timeout error. Here’s a concise rundown of my troubleshooting journey:
- Initial Checks: Verified server responsiveness via SSH. CPU and memory loads were normal.
- Log Analysis: Discovered that recent spikes in traffic were due to unwanted crawlers like PetalBot.
- Firewall Protection: Used UFW to block malicious IP ranges efficiently and reviewed my firewall rules for optimal security.
- Resolution: Adjusted deny rules to prioritize blocking known threats, prompting immediate restoration of website accessibility.
My experience highlights the critical importance of:
- Monitoring server health consistently.
- Implementing robust firewall rules and adjustments to maintain security.
- Learning continuously from helpful AI tools to optimize responses.
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