WCF Security Modes

WCF supports three types of Security. They are, Transport Security Mixed-Mode Security Message Security Let’s discuss the various Security Modes below.  Transport Security is applied at the transport byte stream below the message layer. The message does not have a Security header and the message does not carry any user authentication data. It is the…

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Federation and Bearer Tokens

The latest WS-Trust spec (yet to be ratified by OASIS) introduces a concept called Bearer Tokens. This basically is a keyless token that a client requests from an STS (Security Token Service). The only purpose this token serves is to provide more information about the client to the service while the client already has a…

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Using Binary Encoding in WCF

I recently had a question from someone on using Binary Encoding and how performance of their application relates to that. My answer was it depends…it depends on what is in your message body and if you are using message security or transport security. Before talking about binary encoding, the first thing to understand is that it…

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