Learn to use the implementation of asynchronous Win32 sockets without the use of MFC.
Latest TCP/IP Articles
A Little Sniffer that Uses WSA Sockets (Windows Sockets)
Discover how to intercept network traffic (IP packets) by putting a socket in promiscuous mode.
Clients that Find Servers in a Windows Network Domain (TCP/IP, Mailslot)
Learn how to use a mailslot to broadcast information over a network.
Step by Step Developing a SOHO HTTP Filter
Most available web filters work inline, meaning that all outgoing and incoming packets are passed through a filter driver. This approach along with its own benefits has a big flaw; the filtering process affects data transfer throughput. Learn about an experimental remedy to this issue by putting the filter engine in sniffer mode. This way, the filtering process and data transfer act independently.
WinIPCfg
A clone of the Win95/98/ME utility for checking and controlling IP addresses.
Port Scanner
Learn about the TCP Half Open Scanning or TCP SYN scanning technique.
Latest Developer Videos
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MFC Integration with the Windows Transactional File System (TxF)
The Transactional File System (TxF), which allows access to an NTFS file system to be conducted in a transacted manner through extensions to the Windows SDK API. MFC 10, has been extended to support TxF and related technologies. This support allows existing MFC applications to be easily extended to support kernel transactions.

LINQ to Objects Refresher
LINQ is not only for database access; it’s useful in all manner of scenarios. Read this quick refresher to learn more.

Creating Simple Classes and Objects with Visual Basic
Learn how to create your own class and create objects representing that class using Visual Basic.
Working with State Machines in the .NET Framework
Arun Karthick introduces you to the state machine model and shows you how to create a simple working state machine sample using the .NET framework in the C# language.