Enum SecurityProtocolType Path C++ Link System.Net.SecurityProtocolType, System underlying int32 System Values 6 NameValueHex SystemDefault00x00Ssl3480x30Tls1920xC0Tls117680x300Tls1230720xC00Tls13122880x3000 Used by 1types with a member, parameter or interface of this type ServicePointManager // System.Net.SecurityProtocolType, System enum class SecurityProtocolType : int32 { SystemDefault = 0, Ssl3 = 48, Tls = 192, Tls11 = 768, Tls12 = 3072, Tls13 = 12288, };