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Tag: Joomla

Disable Joomla Contacts component (com_contact) in MySQL / phpMyAdmin

05/01/202121/02/2023 Jan Reilink

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.

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Fatal error: Uncaught Error: [] operator not supported for strings – PHP 7.1

02/03/201821/02/2023 Jan Reilink 52 Comments

With PHP 7.1, some PHP web applications fail because of deprecated code usage. This may result in an error message like [] operator not supported for strings for various Joomla, WordPress and Drupal components. Here’s how to fix this code for PHP 7.1+.

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Denial of Service (DoS) Attack

Joomla websites abused as open proxy for Denial-of-Service attacks

16/11/201421/02/2023 Jan Reilink 1 Comment

Joomla websites using the Googlemaps plugin for Joomla are actively abused as open proxy for launching Denial-of-Service (DoS) attacks. The problem with the Joomla Googlemaps plugin lies in the fact anyone can execute cURL HTTP requests to remote websites.

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Joomla ACL decision flow-chart

8 Tips to improve Joomla performance

29/06/201421/02/2023 Jan Reilink 3 Comments

Speed-up Joomla with just a few config settings: 8 Tips to improve Joomla performance. Add caching, gzip compression, set your sessions & optimize MySQL database functions… Provide your visitors with a blazing fast Joomla website!

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How to fix Joomla HTTP 500 errors after updates

12/11/201321/02/2023 Jan Reilink 6 Comments

Over the last week, at Vevida, we received quite some problem reports from customers who updated Joomla to version 3.2.0. After logging on to their administrator back-end, they received an HTTP 500.0 error with error code 0x8007000d. Let’s investigate and resolve this Joomla Administrator login HTTP 500 error.

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magnifying glass near gray laptop computer

Grep for forensic log parsing and analysis on Windows Server IIS

19/04/201321/02/2023 Jan Reilink 1 Comment

How to use GnuWin32 ported tools like grep.exe and find.exe for forensic log file analysis in Windows Server. In this article I’ll give some real live examples of using these ported GnuWin tools like grep.exe for logfile analysis on Windows servers. The article provides three example, as an alternative to LogParser, because finding spam scripts fast is often very important.

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