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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.

Increase WordPress’ memory limit WP_MEMORY_LIMIT properly in wp-config.php

How to increase the memory limit for your WordPress website, the right way.

The WordPress memory limit can be increased by the WP_MEMORY_LIMIT variable in wp-config.php. However, I see this done wrong over and over again in WordPress plugins and themes. In a worst case scenario this may even decrease the available amount of memory for WordPress! So be careful with the advice you follow. In this post I show you a correct way of setting WordPress WP_MEMORY_LIMIT and PHP memory_limit settings.

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Release hold queue email in Postfix – postsuper

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.

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How to: Protect WordPress from brute-force XML-RPC attacks

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.

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