NT Kernel Resources: White Papers

Online documentation
NeT Firewall Online Help	This is online documentation for the NT Kernel Resources product NeT Firewall. NeT Firewal is a comprehensive stateful firewall solution built to protect Windows-based systems not currently protected by a firewall. NeT Firewall is more secure than application-based personal firewalls, yet less expensive than high-end firewalls, providing comprehensive intrusion protection.
WinpkFilter Online Help	This is online documentation for the NT Kernel Resources product Windows Packet Filter Kit (WinpkFilter). With WinpkFilter you can implement wide variety of solutions: custom firewall, internet connection sharing (NAT), IP shaper, VPN and many other low-level network solutions completely in user-mode using your favorite development environment: Visual C++, Delphi, C++ Builder and etc.
Device Filter Online Help	This is online documentation for the NT Kernel Resources product Device Filter. Device Filter is a universal software bus analyzer for capturing device I/O that allows you to monitor all I/O request packets (IRP's) on your system, fast I/O requests and capture each request input and output data.
Articles
Firewall For Windows	This article describes various approaches to network packet filtering and firewall development on Windows platform. It reveals key aspects of such completely undocumented but very effective approaches like NDIS-hooking drivers. At the moment English and Russian variants of this paper are available.
PsExec Internals	This is a short internals review of one interesting tool (PsExec) from Mark Russinovich (www.sysinternals.com). Regretfully, Mark did not give any clue of how this utility works so I've tried to make short observe of it's internals. Probably, it will be interesting for you to read this if you plan using this tool.
FAQs
Windows Internals FAQ	This is the start up compilation of the interesting topics discussed in our Web-boards. These papers are still in work, so don't expect much from them. At the moment English and Russian variants of the document are available.