OpenBSD
OpenBSD is a free and open-source Unix-like operating system focused on security, cryptographic implementations, correctness, and code auditing. It is known for having the most secure default settings and proactive security features.
opensource
unixlike
security
cryptography
OpenBSD: Secure Unix-like Operating System
Free and open-source Unix-like operating system prioritizing security, cryptographic implementations, correctness, and code auditing with a strong focus on proactive security features and most secure default settings
What is OpenBSD?
OpenBSD is a free and open-source Unix-like operating system derived from BSD. It focuses on security, code correctness, and cryptography implementations.
Some key features and characteristics of OpenBSD:
- Strong focus on security through default secure configuration, proactive security features like W^X, ASLR, etc.
- Frequent code auditing and cleaning to remove bugs and potential vulnerabilities
- Considered the most secure OS available, the "world's most secure operating system"
- Does not include proprietary or closed-source code, entirely open-source
- Uses cryptographic software and hardware random number generators for strong entropy
- Relatively lightweight and fast compared to Linux
- Runs on several hardware platforms like x86, ARM, PowerPC, SPARC64
- Includes firewall, VPN, HTTPS and other network security tools
- Supported commercial version available through the OpenBSD Foundation
Overall, OpenBSD excels in secure design for critical network infrastructure deployment. Its dedication to security, clean code, openness and documentation makes it a popular choice for firewalls, routers, DNS servers, and related systems.
OpenBSD Features
Features
- Focus on security
- Open source
- Runs on multiple hardware platforms
- Includes cryptographic libraries
- Emphasis on code auditing
- Secure by default configuration
- Proactive security features
Pricing
- Open Source
Pros
Very secure
Free and open source
Strong cryptography support
Highly audited code
Runs on many platforms
Cons
Limited hardware support compared to Linux
Smaller user community than major Linux distros
Less software available than Linux
Official Links
The Best OpenBSD Alternatives
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