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SecurityProtocol Enumeration

The SecurityProtocol enumeration is used to specify the security protocol used by a connection.

Namespace:  System.DirectoryServices.Protocols
Assembly:  System.DirectoryServices.Protocols (in System.DirectoryServices.Protocols.dll)

public enum SecurityProtocol

Member nameDescription
Pct1ClientIndicates that the client is using the PCT1 protocol. The value is equal to 2.
Pct1ServerIndicates that the server is using the PCT1 protocol. The value is equal to 1.
Ssl2ClientIndicates that the client is using the SSL2 protocol. The value is equal to 8.
Ssl2ServerIndicates that the server is using the SSL2 protocol. The value is equal to 4.
Ssl3ClientIndicates that the client is using the SSL3 protocol. The value is equal to 32.
Ssl3ServerIndicates that the server is using the SSL3 protocol. The value is equal to 16.
Tls1ClientIndicates that the client is using the TLS1 protocol. The value is equal to 128.
Tls1ServerIndicates that the server is using the TLS1 protocol. The value is equal to 64.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, 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.

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