Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Developer's Guide

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### Attributes

The following table describes attributes for the `message-security-binding` element.

Table A–72 `message-security-binding` Attributes

Attribute | Default | Description
--- | --- | ---
`auth-layer` | none | Specifies the message layer at which authentication is performed. The value must be `SOAP`.
`provider-id` | none | (optional) Specifies the authentication provider used to satisfy application-specific message security requirements. If this attribute is not specified, a default provider is used, if it is defined for the message layer. if no default provider is defined, authentication requirements defined in the `message-security-binding` are not enforced.

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