IIS URL Rewrite Module “Rewrite Module error: Expression contains a repeat expression”
Fix for IIS URL Rewrite Module error "Rewrite Module error: Expression contains a repeat expression"
Tag IIS
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How to block BaiduSpider bot User-Agent?
The Baidu spider (BaiduSpider user agent) can be a real pain to block, especially since it does not respect a robots.txt as it should. This post shows you how to block Baidu Spider bot, using IIS URL Rewrite Module based on its User-Agent string.
How to enable HTTP Strict-Transport-Security (HSTS) on IIS
Set up HTTP Strict-Transport-Security (HSTS) response header in Windows Server IIS 10, here is some more technical information about HSTS in IIS, and other security headers...
Set IIS Application Pool recycle defaults to Specific Times, not Regular Time Interval
By default, an IIS application pool (or "AppPool") recycles on a regular time interval of 1740 minutes, or 29 hours. One reason for this time interval is that application pools don't recycle at the same moment every day (every day at 07.00 for example).
Conditionally start Application Pools on remote IIS web servers
In this article you'll learn how to start all stopped application pools that have the ApplicationPool.AutoStart property set to $True using AppCmd.exe or PowerShell. This is something you often or occasionally have to perform on various servers, for example when an application pool hangs.
Remove IIS Server version HTTP Response Header
Windows Server IIS loves to tell the world that a website runs on IIS. It does so with the "Server:" header in the HTTP response, as shown below. In this post I'll show you how to remove HTTP response headers in Windows Server IIS. You don't want to give hackers too much information about your servers, right?.
How to install the Web-WebSockets feature in IIS using PowerShell
Easily enable support for the WebSocket protocol on Windows Server IIS by installing the Web-WebSockets feature using PowerShell. Learn how to install WebSocket Protocol support in Windows Server IIS 8.0.
IIS Outbound Rules with gzip compression
Gzip compression conflicts with IIS Outbound Rules resulting in HTTP 500.52 URL Rewrite Module Error. Here is how to resolve this.
Configure SQLServer sessionState for Umbraco
Configure Umbraco for SQLServer sessionState storage and prepare Umbraco for high performance web garden or web farm, and load balancing environments. This post explains it all.
Redirect HTTP to HTTPS
In this post I provide you various HTTP to HTTPS redirection methods, for Windows Server IIS and Linux Apache. Use these examples to your advantage to secure the traffic between your visitors and your website.
Convert .htaccess to web.config
This post describes some of the IIS URL Rewrite Module web.config equivalents of commonly used Apache .htaccess settings. You'll learn how to translate .htaccess content to IIS web.config, this is useful when you need to migrate your website from Apache to Windows Server IIS.
PHP with WinCache on IIS
In this article you'll learn how to install and set up PHP with the Windows Cache Extension (WinCache) on windows IIS web servers. WinCache enabled PHP gives a great PHP performance boost for your WordPress-, Drupal or Joomla website. This post will show you it's not hard to set up high performance PHP hosting on IIS.
“The length of the URL for this request exceeds the configured maxUrlLength value”
![[HttpException (0x80004005): The length of the URL for this request exceeds the configured maxUrlLength value.]](https://www.saotn.org/wp-content/uploads/2025/06/Length_of_URL_for_request_exceeds_maxUrlLength_value-11-768x422.png)
The length of the URL for this request exceeds the configured maxUrlLength value is an IIS error telling you the length of the given URL exceeds a limit. The Windows Server IIS maximum URL length is defined by the HttpRuntimeSection.MaxUrlLength property. Its value is 260 characters. This may cause problems with longer URLs, and here is how to resolve this maxUrlLength issue.
PHP on IIS: “No input file specified”
When you host your PHP website on Windows Server IIS, you may receive an "No input file specified" error message, when a HTTP request is made to non-existing .php files. When this happens you probably have no Request Restrictions configured in IIS PHP handler settings. Here is how to fix the "no input file specified error" with PHP and IIS.