How Do I Manage WinSock LSP?

 

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In this article, we’re going to identify some of the possible causes that might cause Winsock lsp to run, and then I’ll suggest a few possible solutions that you can try to resolve this issue.

 

 

• 2 minutes readable

This article will help you troubleshoot an issue that occurs when the Winsock Layered Service Providers (LSPs) enter the SQL Server address space.

Product original trademark: Microsoft Server sql 2005, Server sql 2008
Original Knowledge Base Number: 2033448

Symptoms

Have you noticed an interruption or unexpectedly interruption of all network contacts between SQL server and client approaches. This can make SQL Server less experienced and cause service disruptions. Indeed, you can get exceptions whose call stacks involve manipulation of data structures that are supported or commonly used by modules loaded into the SQL address server space. These problems are usually accompanied by error messages generated by a specific SQL Server scheduler, such as errors 17883 and 17882.

Reason

If desired, Winsock LSP DLL can be additionally loaded into SQL Server processes, can intercept and monitor data exchange (including TDS packets) at the Winsock level among client applications and SQL Server. This occurs when network monitoring agents are installed on a computer that is running SQL Server, and that computer is selected by a managed service provider for network monitoring to track performance paths.

Resolution

At a command prompt, run the following command to display a list of all Winsock LSPs installed on the computer that is aboutusually starts SQL Server:

Directory checked

  Netsh winsock 

Run the following query to find out which of these installed LSPs is loaded by the SQL Server process:

  SELECT [name], [company], [file version], [product version]FROM sys.dm_os_loaded_modulesO Opportunity DOESN'T NEED LIKE "Microsoft%" OR company 

If you have a company that uses these vendors, make sure you have the latest updates for these agencies installed. Whenever possible, avoid monitoring SQL Server-related activities and avoid loading these modules into the main SQL Server process. Alternatively, you can prevent this server from monitoring the process. Information

• Winsock

  more architecture

• Transport Provider

• 8 minutes to read.

Winsock 2 supports layered policies. A layered protocol is a protocol that uses only higher layer communication capabilities, relying on the underlying transport stack for serious communication on data with a remote desktop support endpoint. An example of a standard layered protocol or service provider would be an actual security layer that adds a protocol to the connection process to efficiently authenticate and establish a mutually agreed encryption scheme. Such a security process usually requires the use of a fantastic underlying reliable transport protocol such as TCP or SPX. The term “base protocol”, included by the base provider, refers to a winsock provider that implements a protocol capable of communicating with a remote PC help endpoint over TCP or SPX. The term “layered protocol” is intended to describe a protocol that cannot be autonomous. These layered protocols conform to established Winsock Layered Service Providers (LSPs).

An example of their LSP is the Microsoft Firewall Client Service Provider, which is installed as part of the Internet Security Authentication and Server (ISA) for men and women. Microsoft Firewall Client Service Provider Systems are usedUses the underlying Winsock providers for TCP and UDP. The dynamic link library (DLL) in the ISA firewall client software is becoming the new Winsock layered service provider transparently used by all Winsock applications. This allows the ISA Firewall client LSP to intercept Winsock calls from client applications and then route the request to the original underlying boot service provider if the destination is in the county, or to the service firewall on a different ISA Server computer when the target is remote. A similar LSP is the fact that part of the Forefront Microsoft Firewall service and Threat Management Gateway (TMG) client are installed on the clients.

During LSP initialization, the LSP pointer must expose a number of Winsock Service Provider (SPI) functions. These successes are essentially called directly through the LSP (either another LSP or Ws2_32.DLL) during normal processing.

You can let you define LSP categories based on the portion of the SPI functions that the LSP implements, and the nature of the additional processing for each of those functions. By classifying LSPs as well as classifying For applications that can use Winsock sockets, it becomes possible to selectively determine whether Should-lsp is involved in a particular process at runtime.

Windows Vista and later typically provide a new method for categorizing the Winsock Layered Service Provider and applications so that only associated LSPs are loaded. There are several reasons why some people add these features.

One of your main reasons right now is that some system processes like winlogon and lsass are configuring sockets, but those processes don’t need those sockets to send traffic over the network. Therefore, most LSPs should not be loaded into these processes. A number of cases have also been documented where a bad LSP could cause lsass.exe to crash. When lsass crashes, the system is forced to shutdown. A side effect of loading the LSP by these console processes is that these steps never complete, so if the LSP is definitely installed, it will either be removed or a restart will be required.

The second reason is that in some cases applications couldDon’t want to download certain LSPs. For example, some blogs may not want to load cryptographic LSPs, which prevents the application from communicating with other systems that do not have a cryptographic LSP installed.

Finally, LSP categories should be used by other LSPs to determine where in the Winsock log chain to settle. For many years, various LSP designers have wanted to know how the Will-LSP behaves. B. in the case of an LSP that controls the delivery of data, over an LSP that encrypts the data. Of course, this method of categorizing LSPs is not offensive, as it relies on third-party LSPs to help you categorize yourself correctly.

LSP

 

 

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