After upgrading from IIS 5 to IIS 6, client observed the web application performance was not as good as before. This site uses Windows Integrated Authentication, by compare the IIS log, customer found huge number of 401s were recorded in IIS 6 log. And...

Symptom: To reproduce the issue: 1. Put a zero byte file on a FTP site. 2. Call InternetOpen() with flag INTERNET_FLAG_ASYNC 3. FtpOpenFile() to download the file. Wininet will send out a FTP request. After receiving the response, the...

Assume you already looked at Xin ’s article about How to use 256 bit SSL in IIS 6.0. It is quite common to ask whether old version IE client will be affected after applying kb948963 which adds support for AES cipher suites in the Schannel...

Today we’ll talk a little about how to optimize state management when coding your ASP.NET application. I believe most of ASP.NET developers more or less have some knowledge of using state in ASP.NET. In this article, we’ll not be focusing...

Symptom: FTP client get below error 425-Cannot open data connection. Win32 error: The network connection was aborted by the local system. Error details: Client IP on the control channel didn't match the client IP on the data channel...