IconCaptcha is a simple and effective captcha system that uses graphical images instead of text to prevent automated bots from spamming your website. This tutorial will guide you through the process of installing IconCaptcha on Clear Linux Latest.
Before starting, you need to make sure that you have the following prerequisites:
The first step is to download the IconCaptcha plugin from the official website. You can do this by visiting https://www.fabianwennink.nl/projects/IconCaptcha/ and clicking on the “Download” button.
Alternatively, you can use the following command to download the plugin directly to your server:
$ wget https://github.com/fabianwennink/IconCaptcha/archive/master.zip
Once the download is complete, extract the files to a temporary directory:
$ unzip master.zip -d /tmp
To install IconCaptcha, you need to copy the files from the extracted directory to your web server’s document root. Assuming your document root is located at /var/www/html/, you can use the following command:
$ cp -r /tmp/IconCaptcha-master/* /var/www/html/
The next step is to configure IconCaptcha to work with your website. Open the config.php file located in the inc directory of the IconCaptcha directory:
$ nano /var/www/html/inc/config.php
Change the following settings as per your needs:
$sitekey and $secretkey: Set your reCAPTCHA keys, which you can obtain from https://www.google.com/recaptcha/admin.$captcha_length: The number of icons to display in the captcha (default is 4).$captcha_theme: The theme to use for the captcha (default is light).$captcha_css: The path to your custom CSS file.Save and close the file when finished.
The final step is to add the captcha to your web pages where you want to prevent spam. To do this, add the following code at the desired location:
<?php
session_start();
include('inc/captcha.class.php');
Captcha::output();
?>
Save the web page and you are done.
That’s it! You have successfully installed and configured IconCaptcha on your Clear Linux Latest server. Now your web pages are protected against automated spam and bots.
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