<transport> of <netTcpBinding>

Artikkel
09/15/2021

Defines the type of message-level security requirements for an endpoint configured with the <netTcpBinding>.

<configuration>
  <system.serviceModel>
    <bindings>
      <netTcpBinding>
        <binding>
          <security>
            <transport>

Syntax

<netTcpBinding>
  <binding>
    <security mode="None|Transport|Message|TransportWithMessageCredential">
      <transport clientCredentialType="None|Windows|Certificate"
                 protectionLevel="None|Sign|EncryptAndSign"
                 sslProtocols="Tls|Tls11|Tls12">
        <extendedProtectionPolicy policyEnforcement="Never|WhenSupported|Always"
                                  protectionScenario="TransportSelected|TrustedProxy">
          <customServiceNames>
          </customServiceNames>
        </extendedProtectionPolicy>
      </transport>
    </security>
  </binding>
</netTcpBinding>

Attributes and Elements

The following sections describe attributes, child elements, and parent elements

Attributes

Attribute	Description
clientCredentialType	Optional. Specifies the type of credential to be used when performing client authentication using Transport security. - The default value is `Windows`. - This attribute is of type TcpClientCredentialType.
protectionLevel	Optional. Defines security at the level of the TCP transport. Signing messages mitigates the risk of a third party tampering with the message while it is being transferred. Encryption provides data-level privacy during transport. The default value is `EncryptAndSign`.
sslProtocols	A SslProtocols enum flag value that specifies which SslProtocols are supported. The default is Tls\|Tls11\|Tls12.
policyEnforcement	This enumeration specifies when the ExtendedProtectionPolicy should be enforced. 1. Never – The policy is never enforced (Extended Protection is disabled). 2. WhenSupported – The policy is enforced only if the client supports Extended Protection. 3. Always – The policy is always enforced. Clients which don’t support Extended Protection will fail to authenticate.

clientCredentialType Attribute

Value	Description
None	The client is anonymous. This requires a certificate for the service.
Windows	Specifies Windows authentication of the client using SP Negotiation (Kerberos negotiation).
Certificate	The client is authenticated using a certificate. This uses SSL Negotiation and requires a certificate for the service.

protectionLevel Attribute

Value	Description
None	No protection.
Sign	Messages are signed.
EncryptAndSign	- Messages are encrypted and signed.

Child Elements

None

Parent Elements

Element	Description
<security>	Specifies the security capabilities of the <netTcpBinding>.

Remarks

Use Transport security for integrity and confidentiality of the SOAP message and for mutual authentication. If this security mode is selected on a binding, the channel stack is configured using a secure transport and the SOAP messages are secured using transport security such as Windows (Negotiate) or SSL over TCP.

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