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What is WCF security mode configuration?

Updated May 6, 2026

Short answer

Security mode defines how WCF secures communication.

Deep explanation

Modes include None, Transport, Message, and TransportWithMessageCredential.

Real-world example

HTTPS-based secure APIs.

Common mistakes

  • Using None mode in production.

Follow-up questions

  • Which mode is most secure?
  • When to use None?

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