url-rewrite-module - Sysadmins of the North

3 Ways of blocking sendmail.php on IIS webserver

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. You can use a web.config file for this purpose, and here is how.

Published on Wednesday, 8 December 2021

How to add a trailing slash in Umbraco 8

This article shows you how to add a trailing slash to URL's in Umbraco 8, using IIS URL Rewrite Module, without breaking the Umbraco backend. Forcing one particular URL avoids duplicate content, which is important for SEO.

Published on Sunday, 28 November 2021

Tips to speed up WordPress, serve gzip compressed static HTML files

Who said WordPress is slow on Windows Server IIS? Gzip compress and serve WP-Super-Cache or Cache Enabler static HTML files, to supercharge your WordPress blog. Here is how to serve gzip compressed HTML files through Windows Server IIS: create smaller, compressed, static HTML files, that are downloaded faster. This works with WP-Super-Cache and Cache Enabler on IIS!

Published on Monday, 5 September 2016

How to install IIS URL Rewrite Module on Windows Server 2016 & IIS 10

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...

Published on Monday, 30 May 2016

HackRepair.com's Bad Bots .htaccess in web.config for IIS

Learn to protect your WordPress website with this web.config file

Published on Friday, 19 February 2016

IIS URL Rewrite "Rewrite Module error: Expression contains a repeat expression"

The other day, I had to migrate a website from a Linux / Apache web server to Windows Server IIS. Yes, that type of migration happens too, sometimes. The website in question had a lot of sub domains, all pointing to folders within the web root using that same name: foobar.example.com would redirect (rewrite) to www.example.com/foobar.

Published on Tuesday, 16 February 2016

RewriteProxy with .htaccess in IIS

Rewrite and proxy HTTP requests in IIS using a .htaccess. In my case scenario, I had to proxy requests in IIS, because a website was moved from web server A to B, and the DNS wasn't updated yet. All HTTP requests for the moved website are handled in IIS' Default Web Site; that's the wildcard host, and the original host no longer existed there. We needed to match our website and proxy those requests to the new IIS web server. This can either be done using a proxy with URL Rewrite, IIS Application Request Routing (ARR), or a .htaccess file handled by Helicon Ape.

Published on Thursday, 8 October 2015

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.

Published on Saturday, 8 August 2015

How to enable HTTP Strict-Transport-Security (HSTS) on IIS

Set up HTTP Strict-Transport-Security (HSTS) response header in Windows Server IIS 10. Scott Hanselman wrote a great post on how to enable HTTP Strict-Transport-Security (HSTS) on IIS web servers, and here is some more technical information about HSTS in IIS, and other security headers...

Published on Saturday, 6 June 2015

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.

Published on Friday, 13 March 2015

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