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

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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