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TCP implementations will follow a general principle of…

“TCP implementations will follow a general principle of robustness: be conservative in what you do, be liberal in what you accept from others.” quote by Jon Postel
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“TCP implementations will follow a general principle of robustness: be conservative in what you do, be liberal in what you accept from others.”

Jon Postel

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

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.

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