CentraSite Documentation : Runtime Governance with CentraSite : Run-Time Governance Reference : Built-In Run-Time Actions Reference for Virtual Services : Run-Time Actions Reference for Virtual Services : Require Timestamps
Require Timestamps
Note:  
Dependency requirement: A policy that includes this action must also include any one of the following actions: Require Signing, Require Encryption.
When this policy action is set for the virtual service, Mediator requires that timestamps be included in the request header. Mediator checks the timestamp value against the current time to ensure that the request is not an old message. This serves to protect your system against attempts at message tampering, such as replay attacks. This action supports WS-SecurityPolicy 1.2 and cannot be used with REST services.
Mediator rejects the request if either of the following happens:
*Mediator receives a timestamp that exceeds the time defined by the timestamp element.
*A timestamp element is not included in the request.
Input Parameters
None.
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