There is another VERY IMPORTANT THING with Microsoft Meltdown patches like update KB4056892: – Customers will not receive these security updates and will not be protected from security vulnerabilities unless their anti-virus software vendor sets the following registry key
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Users can install and run multiple .NET Framework versions on their computers. When you develop or deploy your app, you might need to know which .NET versions are installed on the user’s computer.
Read More »How to: Determine which .NET Framework versions are installed Unzipping a file on your PowerShell command line may come in handy sometimes, even on your Windows 10 workstation. Use Expand-Archive for this, and all that is required is PowerShell 5.0+, or the .NET 4.5+ Framework to use System.IO.Compression.ZipFile.
If you need to restore a single table from a full MySQL backup, you may find yourself wondering “how do I do that?”. There are a few steps required, I outline them here for you to restore the contents of just one table back into the database from the mysqldump using Bash.
Read More »Restore single MySQL table from a full mysqldump backup file
How to flush Postfix’ mail queue from the command line and delete all mail from the queue? Easy, use the Postfix postsuper command as explained in this post. The postsuper command controls different types of queues in the Postfix mail system, like the deferred or hold queue. This post shows you some Postfix queue operations to maintain your mail servers.
Compressed SQL Server backups can be verified in PowerShell using a handy PowerShell function. This comes in handy when you need to verify if existing SQL Server backups are compressed.
Read More »How to determine if a SQL Server backup is compressed?
A short post for my colleagues at the customer support and anyone else wondering the same: how to disable TLS encryption in FileZilla and turn off the FTP over TLS default setting?
Read More »How to turn off the TLS default in FileZilla? The WordPress XML-RPC API has been under attack for many years now. Back in August 2014, WordPress released version 3.9.2, fixing a possible denial of service issue in PHP’s XML processing. There are brute-force amplification attacks, reported by Sucuri, and so on. So, how do you protect WordPress from xmlrpc.php attacks, but still being able to use (some of) its functionality like Jetpack? This post gives you some insight.
Read More »How to: Protect WordPress from brute-force XML-RPC attacks
Sometimes you find your WSUS server keeps crashing over and over again. WSUS is unavailable and/or the WSUS management console hangs. When you start to investigate as to why Windows Server Update Services crashes, you’ll notice the following error message being logged in the HTTPErr log files:
Read More »WsusPool keeps crashing: stops again and again Recently the WordPress Jetpack email sharing service is often abused by spammers. They use the Send to Email Address for sending spam. All these kind of “Tell a Friend” scripts are abused a lot. Here is how to disable email share service in Jetpack.
Read More »Remove Jetpack email sharing service A quicky: if you need to merge multiple text files into one new file in Windows, you can use the copy command in cmd.exe, and here is how:
When you have just installed your new Windows Server, with or without IIS as web server, it is important to take a few extra security measurements. Securing your server is important to keep hackers out and your data safe. This article shows 3 4 key steps in securing your Windows Server web (IIS) or file server.
Disable SMBv1 to prevent prevent Petya / NotPetya, WannaCry / WanaCrypt0r ransomware spreading through your network. These worm viruses exploit a vulnerability in Windows Server Message Block (SMB) version 1 (SMBv1), and spread like wildfire. It is urged you disable SMBv1 in your Windows variant (Windows 10, 8.1, Server 2016, 2012 R2), and here is how if you haven’t done so yet.
Read More »How to disable SMBv1 in Windows 10 and Windows Server Detect the ethernet network speed using PowerShell or WMI is perfect for Windows Server Core. If you ever need to lookup the speed of your ethernet network card in Windows, on the command-line, use one of the following WMIC commands on your PowerShell prompt:
Read More »How to detect ethernet network speed in Windows This post explains how to restrict automatic NS resource record registration in Windows Server DNS using Dnscmd. This prevents Windows Server DNS to automatically create NS records for zones that it hosts on the server.