Sysadmins of the North

Technical blog, where topics include: computer, server, web, sysadmin, MySQL, database, virtualization, optimization and security

Search results: "URL Rewrite" (page 2 of 3)

Create your own CDN using IIS Outbound Rules

Use these IIS Outbound Rules to offload javascript and CSS stylesheets.

Here’s how to create a Content Delivery Network (CDN) using IIS outbound rewrite rules. Offload your static content and speed up your website with these tips. Offloading content is important for the performance of your website, because then content is downloaded in parallel and thus faster. A faster website attracts more visitors, is more user friendly, improves CTR and Google SEO.

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Boost Drupal performance with Boost

Boost Drupal performance on Windows Server IIS. Besides WinCache on IIS, you can improve Drupal’s performance by installing the Drupal BOOST module. For this module to work you need to disable Drupal’s own caching mechanism, and you need access to the server variable CONTENT_TYPE in URL Rewrite. Here is how…

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Convert .htaccess to web.config

This post describes some of the IIS URL Rewrite equivalents of commonly used Apache .htaccess settings. This is useful when you want to convert your .htaccess to web.config. The second part of this post outlines how to use Internet Information Services Manager to import and convert .htaccess to web.config.

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Remove ETags HTTP response header in IIS

Yahoo! YSlow recommends removing Entity tags – also known as ETag. Unfortunately removing the ETag response header is not an easy task on Windows Server IIS web servers. Here I show you how to properly remove ETag HTTP response headers with an Outbound rewrite rule…

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Multiple IIS 6.0/7.5 Vulnerabilities

Multiple vulnerabilities found in IIS 6.0 and 7.5 web servers. On the Full-Disclosure mailinglist Kingcope posted several IIS 6.0 and 7.5 bugs. Because I am a Windows Server and IIS admin, I took some time to test the various vulnerabilities …

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How to use .htaccess files on Windows Server IIS

Learn how to use .htaccess in Windows Server IIS. In this post I’ll provide you with some useful .htaccess URL rewrite examples. URL rewrite examples that you can use on Window Server IIS for your website.

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Ghost on IIS with HTTPS, how to resolve a “Too many redirects” error

When you use iisnode to host the Node.js blogging software Ghost on your IIS web server, and you set up an SSL certificate for your Ghost website, you may run into too many redirect issues when changing Ghost’s config.js file. This happend to me yesterday, and here is the solution.

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Simple PowerShell introduction for Windows Server administration, automation and scripting

Windows PowerShell (“PS” for short) is an important tool in Windows Server for administrators. You can use PowerShell for Windows Server administration, software installation, automation, and shell/command-line scripting. Here is a small and simple introduction to Windows PowerShell.

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Critical 0-day vulnerability in Joomla patched, update to 3.4.6 now!

The Joomla security team have just released a new version of Joomla to patch a critical remote command execution vulnerability that affects all versions from 1.5 to 3.4. This is a serious vulnerability that can be easily exploited and is already in the wild.

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Secure WordPress uploads folder, disable PHP execution

The following PHP function secures your WordPress website by disabling the execution of PHP scripts in wp-content/uploads, on IIS web servers. It creates a web.config file for this purpose.

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Convert PHP ext/mysql to MySQLi

This post will show you how to convert PHP mysql extension functions to PHP MySQLi extension. Migrating away from ext/mysql to MySQLi (or PHP Data Object (PDO)) is important, because the ext/mysql functions are deprecated as of PHP 5.5.0. If you do not update your PHP code, your website will fail soon!

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Huge increase in WordPress xmlrpc.php POST requests

WordPress xmlprc.php DDoS and brute-force attacks. How to identify, block, mitigate and leverage these xmlrpc.php scans, brute-force, and user enumeration attacks on WordPress sites… Secure WordPress xmlprc.php interface and reduce service disruption.

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Install Node.js, iisnode module and Ghost on Windows Server / IIS

This post describes the steps necessary to install Node.js and Ghost on Windows Server IIS. Ghost is a Node.js web application, specific for just blogging. To run Node.js applications in IIS, you need iisnode as a module. Here is how to install all of this.

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Redirect HTTP to HTTPS on Apache 2.4

A permanent redirect in Apache using status code 301

The last few day’s I’ve been toying with Nagios, setting up a monitoring system. An Apache redirect to HTTPS was one of the tasks I wanted to accomplish. This would redirect the Nagios vhost from HTTP to HTTPS using an Apache 2.4.6 VirtualHost, and no resource expensive rewrite would be necessary.

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Create your own PHP based Origin Pull CDN

The advantage of having your website content hosted on a Content Delivery Network (CDN) is having your content distributed and stored across the Globe. Utilizing the network of the Content Delivery Network provider. Hosting your WordPress website on a Content Delivery Network is an important WordPress optimization tip. Here is how to create your own Origin Pull CDN with just a few lines of PHP…

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