Technical SysOps blog, where topics include Sysadmin, DevOps, computers, servers, web, MySQL, database, virtualization, optimization and security
Technical SysOps blog, where topics include Sysadmin, DevOps, computers, servers, web, MySQL, database, virtualization, optimization and security
Here are 3 ways of blocking access to a PHP sendmail.php script on your Windows Server IIS webserver. This comes in handy if a websites on your webserver sends out spam and you need to block access to a script on a specific website or globally in IIS.
Gzip compress and serve WP-Super-Cache or Cache Enabler static HTML files, to supercharge your WordPress blog!
When you start to play with Windows Server 2016 and IIS 10, you'll get an error when you try to install the IIS URL Rewrite Module in IIS. The error occurs because the URL Rewrite Module installer contains an invalid version check for the IIS being used. Here is how to install IIS URL Rewrite Module 2 in IIS 10...
Fix for IIS URL Rewrite Module error "Rewrite Module error: Expression contains a repeat expression"
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...
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?.
Sometimes it's important to remove (or hide) the file extension of scripts you use. Security by obscurity might be that reason, if you don't want others to know what script language you are using for your website, or for static site hosts.
Gzip compression conflicts with IIS Outbound Rules resulting in HTTP 500.52 URL Rewrite Module Error. Here is how to resolve this.
Use IIS Outbound Rules and URL Rewrite Module to create a custom created Content Delivery Network (CDN) for static content ofloading and speed-up your website.
Removing ETag response headers is not an easy task in Windows Server IIS web servers. Here I show you how to properly remove ETag HTTP response headers with an IIS Rewrite Module Outbound rewrite rule.
![[HttpException (0x80004005): The length of the URL for this request exceeds the configured maxUrlLength value.]](https://cdn.saotn.org/wp-content/uploads/2025/06/Length_of_URL_for_request_exceeds_maxUrlLength_value-11-150x150.png)
