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Jan Reilink

My name is Jan. I am not a hacker, coder, developer or guru. I am merely a systems administrator, doing my daily thing at Vevida.

Disable Joomla Contacts component (com_contact) in MySQL / phpMyAdmin

How-to disable Joomla’s built-in contact forms component and its ability to send a copy to the sender, directly in your MySQL database using phpMyAdmin

Often the built-in Joomla contact forms component (com_contact) is abused by spammers. These contact forms allow the sender to receive a copy of the form contents. All spammers need to do is enter the email address of the target as sender/from. This way, anyone can use the Joomla contact form for spamming anyone. This short article explains how to disable and combat this.

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Disable WordPress XCloner Plugin logger in MySQL / phpMyAdmin

If XCloner Logger option is enabled, it will store a log file inside the xcloner-XXXXX folder inside the backup archive. The file is named xcloner-xxxxx.log. This can generate a huge amount of temporary files and log files on your file system. This short article provides you one SQL statement to disable XCloner log directly in your WordPress MySQL database, using phpMyAdmin.

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.NET Core 2.1, 3.1, and .NET 5.0 updates are coming to Microsoft Update

Jamshed Damkewala writes on devblogs.microsoft.com: Starting in December 2020, we will be delivering .NET Core updates on Windows via Microsoft Update. We have received many requests for this, particularly from organizations that acquire and manage all of their Microsoft-related updates via Microsoft (or Windows) Update. This change will enable organizations to manage .NET Framework and .NET Core updates in the same way. If you don’t want to use Microsoft Update to update .NET on your machines, you don’t have to, and can continue using one of the existing options.

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Microsoft OpenSSH SSH Server Properties screen

Manually install OpenSSH in Windows Server

How to install OpenSSH Server in Windows Server 2019 Core using PowerShell, or Windows Server 2016

OpenSSH is an ideal and secure way of performing remote maintenance & administration on your servers. Even on Windows Server! :) Microsoft have released their OpenSSH port for Windows Server and Windows 10 back in 2015. Here is how to install the OpenSSH Server on Windows Server 2016 and 2019.

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Force BITS to download WSUS updates in the foreground in Windows Server

When WSUS downloads are slow

WSUS uses BITS for downloading updates, and it does so in background mode. Unfortunately, this utilizes remaining bandwidth of the server instead of its full capacity. To speed up WSUS downloads, you can configure BITS in WSUS to use foreground priority.

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My New Hugo Site created in WSL 2 on WIndows 10

Hugo development environment in WSL 2

How to install and configure Hugo for static site development in WSL on Windows 10.

Do you find it too difficult to install Go or Hugo in Windows for your static site development? Have you tried Windows Subsystem for Linux (WSL) 2? Using a default Ubuntu 20.04, it is pretty easy to install Hugo, set up your development environment and configure Hugo to listen on your Ubuntu’s IP address instead of localhost / 127.0.0.1. This makes your Hugo development site accessible for browsers in Windows 10. Neat, right?

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How to Fix Yoast SEO for WordPress DeleteDuplicateIndexables MySQL error

In recent days, there are a number of reports about broken Yoast SEO database operations, related to the DeleteDuplicateIndexables function. The PHP function is located in the file wordpress-seo\src\config\migrations\20200507054848_DeleteDuplicateIndexables.php, and in this post I’ll provide you with a possible fix for this statement. Read on.

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Show the number of registered WordPress users in the At-a-Glance widget in the Dashboard

Count and display number of WordPress users in your Dashboard

Show the number of registered WordPress users in At-a-Glance widget

Often when a WordPress site is compromised, the website owner doesn’t notice anything strange at first. First a lot of users are created, and it’s only later when posts filled with spam are created or existing pages/posts edited. In the time between compromise and creation of spam posts, a website owner might notice an increased number of users. If he has the means to. And that’s what this little plugin does.

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source code WordPress security plugin

Find vulnerable WordPress plugin versions fast using PowerShell

On a daily bases, new vulnerabilities are found in WordPress plugins. And when you host thousands of WordPress sites, you can count on the fact you have some customers using that vulnerable version of that particular plugin. So you need to find those vulnerable versions on your servers fast. On Windows Server, PowerShell is a perfect tool for the job!

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Set PHP handler accessPolicy (Request Restrictions) to Read in IIS

Disallow direct access to PHP files in wp-content/uploads/

Secure wp-content/uploads in Linux Apache and Windows Server IIS

It’s recommended to disallow access to and execution of PHP files in wp-content/uploads folder. Preferably without the use of a security plugin. Blocking access to PHP files in WordPress wp-content/uploads folder is easily achieved with a .htaccess file on Linux Apache, or web.config accesssPolicy in Windows Server IIS, and here is how.

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