Use Strong Authentication
Require strong, complex passwords for user accounts. Avoid default or easily guessable passwords.
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| Feature / Version | Debian 12 (Bookworm) | Debian 11 (Bullseye) | Debian 10 (Buster) | Debian 9 (Stretch) |
|---|---|---|---|---|
| Release Year | 2023 | 2021 | 2019 | 2017 |
| Codename | Bookworm | Bullseye | Buster | Stretch |
| Support Status | ✅ Current Stable (Long-Term Support) | ⚠️ LTS / Limited Updates | ⚠️ LTS / Limited Updates | ❌ End of Life |
| Linux Kernel | 6.1 LTS | 5.10 LTS | 4.19 LTS | 4.9 LTS |
| Hardware Support | Excellent (modern CPUs & virtualization) | Good | Limited | Older / Legacy |
| Security Level | Enhanced (OpenSSL 3.0, modern hardening) | Standard | Legacy | Legacy |
| Default Python Version | 3.11 | 3.9 | 3.7 | 3.5 |
| Default PHP Version | 8.2 | 7.4 | 7.3 | 7.0 |
| OpenSSL | 3.0 | 1.1 | 1.1 | 1.0 |
| GCC Version | 12 | 10 | 8 | 6 |
| Container & Cloud Support | Excellent (Docker, Kubernetes ready) | Good | Limited | Very limited |
| Recommended Use | Modern servers, development, production | Legacy compatibility | Not recommended for new deployments | Legacy / maintenance only |
✅ Summary
Debian 12 (Bookworm) delivers newer software, stronger security, and better performance compared to Debian 11 and Debian 10, making it the best choice for modern VPS and cloud environments.
Use Strong Authentication
NLA
Limit User Access
Regularly Update the Server
Configure a Firewall
Use SSH Tunneling
Monitor for Unauthorized Access
Encrypt Data Transmission
Remove Unnecessary Services
Apply Access Controls
Regular Backups
Stay Informed