What is Schannel used for?
The Microsoft Secure Channel or Schannel is a security package that facilitates the use of Secure Sockets Layer (SSL) and/or Transport Layer Security (TLS) encryption on Windows platforms.
What is Microsoft Schannel provider?
Schannel is a Security Support Provider (SSP) that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) Internet standard authentication protocols. The Security Support Provider Interface (SSPI) is an API used by Windows systems to perform security-related functions including authentication.
What is Schannel error?
Schannel Communication errors appear in the Windows System Event Logs indicating that there’s a communication failure between the Symantec Management Platform (SMP) and the Agent. Source: Schannel. EventID: 36884. User: SYSTEM. The certificate received from the remote servers does not contain the expected name.
What is Microsoft Secure Channel?
The Microsoft Secure Channel or Schannel is a security package that facilitates the use of Secure Sockets Layer (SSL) and/or Transport Layer Security (TLS) encryption on Windows platforms. The protocols include TLS 1.1 and 1.2, and SSL 2.0 and 3.0.
How do I enable schannel logging?
Enable logging
- Start Registry Editor.
- Locate the following key in the registry:
- Double-click the EventLogging key or right-click it and select Modify.
- Exit Registry Editor.
- Reboot the machine (Logging does not take effect until after you restart the computer).
Which is the security service identifier for SChannel?
The Secure Channel (Schannel) security package, whose authentication service identifier is RPC_C_AUTHN_GSS_SCHANNEL, supports the following public-key based protocols: SSL (Secure Sockets Layer) versions 2.0 and 3.0, Transport Layer Security (TLS) 1.0, and Private Communication Technology (PCT) 1.0.
When to use PCT with SChannel security package?
PCT is included for backward compatibility only and should not be used for new development. When the Schannel security package is used, DCOM automatically negotiates the best protocol, depending on the client and server capabilities. The following topics briefly describe the TLS protocol and how it works with DCOM.
Is there a remote code execution vulnerability in SChannel?
A remote code execution vulnerability exists in the Secure Channel (Schannel) security package due to the improper processing of specially crafted packets. Microsoft received information about this vulnerability through coordinated vulnerability disclosure.
How does DCOM work with SChannel security package?
When the Schannel security package is used, DCOM automatically negotiates the best protocol, depending on the client and server capabilities. The following topics briefly describe the TLS protocol and how it works with DCOM.