I'm new to setting up a Linux VPS server to host my websites and apps using Ubuntu 24.04. After getting Nginx and FastAPI running, I realized how crucial security is, so I've been working hard to get it right. I've spent days researching and using tools like ChatGPT to understand security principles and how they apply to my Linux setup. Now that I think I've covered the best practices, I want to double-check my final setup guide to ensure I'm not missing anything crucial. I'm aiming to host static sites and backend APIs securely, especially since I plan to offer hosting to future clients. Could someone experienced look over my guide and suggest any improvements or changes?
6 Answers
I suggest ditching TCP 80 altogether since it's not secure. Use only HTTPS to protect the data in transit. Blocking non-secure traffic will help you enhance your server's security.
Make sure Fail2Ban is correctly configured and operational! I had some issues where it wasn't blocking as expected due to a missing config. Monitoring the jails is the easiest way to verify that it's doing its job!
Changing the SSH port might not be the best security move. Ports above 1024 can be accessed by any non-root user, which could lead to unexpected vulnerabilities. It's essential to review the impacts of such changes.
You've got a solid foundation here! I'd recommend downloading the CIS benchmarks for Ubuntu and Nginx to implement any additional security suggestions they have. Also, running 'lynis' on your install can help you see where you can improve your security score. Remember that no system is perfectly secure, and while aiming for high benchmarks is great, make sure your server remains usable!
Honestly, this looks a bit like AI-generated content. Make sure you’re actually implementing these steps securely and understanding the concepts behind them!
Even with a solid setup, monitoring your logs is critical! Regularly check them to understand normal behaviors, so you can catch any anomalies easily. Maintaining that vigilance will bolster your VPS's security more than anything else.
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