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  • Blog Post: Troubleshooting HTTP 401.3 errors with Process Monitor

    Last week I posted the following blog which showed how to use Process Monitor to troubleshoot service startup issues. http://blogs.msdn.com/webtopics/archive/2009/06/16/troubleshooting-service-startup-issues-with-process-monitor.aspx To continue on that topic, I ran across another issue recently...
  • Blog Post: Troubleshooting HTTP Compression in IIS 6.0

    Cross-posted from http://blogs.msdn.com/mike Enabling HTTP Compression for your IIS6 web applications is one way of increasing site performance. One of the more common problems I see when helping customers with compression is that their IIS servers are not set up for compression correctly. Unfortunately...
  • Blog Post: HTTP 400 Bad Request when client terminates request headers improperly

    After sending an HTTP request to IIS, an Internet Explorer client displayed the following error message to the user: Bad Request Beginning in IIS 6.0, “Bad Request” errors are almost always returned by HTTP.sys, so the next step was to look in the httperr.log file for further evidence...
  • Blog Post: How to troubleshoot HTTP 400 errors

    After sending an HTTP request to an IIS server, an HTTP client (such as Internet Explorer) may display the following type of error message in the browser window: If Internet Explorer’s Friendly HTTP Error Messages option is turned off, the error may resemble the following: ...
  • Blog Post: Removing an IIS server's IP address from HTTP responses

    Introduction The purpose of this blog post is to discuss how to mask an IIS server’s IP address from being sent as part of an HTTP response. By default, IIS can send a server’s IP address in the Content-Location or Location response headers of a response. Beginning in Windows 2003 SP1, you can configure...
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