AuthenticateAsServerAsync Method (X509Certificate, Boolean, SslProtocols, Boolean)
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SslStream.AuthenticateAsServerAsync Method (X509Certificate, Boolean, SslProtocols, Boolean)

.NET Framework (current version)

Called by servers to authenticate the server and optionally the client in a client-server connection using the specified certificates, requirements and security protocol as an asynchronous operation.

Namespace:   System.Net.Security
Assembly:  System (in System.dll)

<HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading := True)>
Public Overridable Function AuthenticateAsServerAsync (
	serverCertificate As X509Certificate,
	clientCertificateRequired As Boolean,
	enabledSslProtocols As SslProtocols,
	checkCertificateRevocation As Boolean
) As Task


Type: System.Security.Cryptography.X509Certificates.X509Certificate

The X509Certificate used to authenticate the server.

Type: System.Boolean

A Boolean value that specifies whether the client is asked for a certificate for authentication. Note that this is only a request -- if no certificate is provided, the server still accepts the connection request.

Type: System.Security.Authentication.SslProtocols

The SslProtocols value that represents the protocol used for authentication.

Type: System.Boolean

A Boolean value that specifies whether the certificate revocation list is checked during authentication.

Return Value

Type: System.Threading.Tasks.Task

Returns Task

The task object representing the asynchronous operation.

If the authentication fails, you receive a AuthenticationException, and this SslStream is no longer useable. You should close this object and remove all references to it so that it can be collected by the garbage collector.

Universal Windows Platform
Available since 10
.NET Framework
Available since 4.5
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