SslStream.AuthenticateAsServer Method (X509Certificate, Boolean, SslProtocols, Boolean)
Called by servers to authenticate the server and optionally the client in a client-server connection using the specified certificates, requirements and security protocol.
Namespace: System.Net.Security
Assembly: System (in System.dll)
public virtual void AuthenticateAsServer( X509Certificate serverCertificate, bool clientCertificateRequired, SslProtocols enabledSslProtocols, bool checkCertificateRevocation )
Parameters
- serverCertificate
- Type: System.Security.Cryptography.X509Certificates.X509Certificate
The X509Certificate used to authenticate the server.
- clientCertificateRequired
- Type: System.Boolean
A Boolean value that specifies whether the client must supply a certificate for authentication.
- enabledSslProtocols
- Type: System.Security.Authentication.SslProtocols
The SslProtocols value that represents the protocol used for authentication.
- checkCertificateRevocation
- Type: System.Boolean
A Boolean value that specifies whether the certificate revocation list is checked during authentication.
| Exception | Condition |
|---|---|
| ArgumentNullException | serverCertificate is null. |
| ArgumentException | enabledSslProtocols is not a valid SslProtocols value. |
| AuthenticationException | The authentication failed and left this object in an unusable state. |
| InvalidOperationException | Authentication has already occurred. -or- Client authentication using this SslStream was tried previously. -or- Authentication is already in progress. |
| ObjectDisposedException | This object has been closed. |
| PlatformNotSupportedException | The AuthenticateAsServer method is not supported on Windows 95, Windows 98, or Windows Millennium. |
This method blocks until the operation completes. To prevent blocking until the operation completes, use one of the BeginAuthenticateAsServer method overloads.
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.
Windows 95, Windows 98, Windows 98 Second Edition, Windows Millennium Edition Platform Note: The AuthenticateAsServer method is not supported.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
