Archive for July, 2008

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Layered Service Providers in Vista/64-bit

Posted by Satya Das
July 5, 2008

Layered Service Providers (LSPs) are user mode dlls that allow one (most usefully) to be in network packet chain and thus can change (think encryption/compression) or inspect (think sniffing) buffers from winsock applications. They are chained along with base providers by registering in LSP System Configuration Database (aka catalog). On 64-bit Windows, there are 2 catalogs, one [...]