Accepting Quote by Jon Postel
“TCP implementations will follow a general principle of robustness: be conservative in what you do, be liberal in what you accept from others.”
About This Quote
Source Speech: RFC 1122, 1989
Systems should be cautious about their own actions while being permissive toward external inputs, ensuring overall robustness.
In simple terms: Be cautious internally, generous externally.
Key Takeaway
Design tolerant, secure interfaces.
Themes
security
robustness
design
Mood
analytical
pragmatic
Type
technical
instructional
When to use this quote
- software APIs
- data validation
- system integration
Key Concepts
network engineering
protocol development
Questions to Reflect On
- How do you balance strictness and openness?
- What safeguards are needed for external data?
A Different Perspective
Overly liberal acceptance can expose vulnerabilities if not properly filtered.
