HYDRA - user verification plugin
Description
A flexible plugin for checking users that they are not robots. Effectively copes with the task of blocking robots during registration. Suitable for any forms and sites. Visual adjustment of verification codes from the most easily readable to complex, which makes it almost impossible for robots to recognize the image.
Additionally, a trap field is invisible to people and a delay before loading verification codes.
GD support required (present on all modern servers).
Full supported by Joomla 3 and Joomla 4.
Screenshots
Capability
- Setting the color scheme;
- Choice of used characters;
- The choice of camouflage;
- Hidden field trap;
- Delay in loading verification code;
- MD5 encryption.
Installation and setup
Installation and removal is carried out in the standard way provided in Joomla. The plugin is included automatically. To enable the HYDRA plugin by default for all forms, go to the "Admin Panel", "System" -> "General Settings", the "Site" tab, the "CAPTCHA" field and select "Captcha - HYDRA".
Also, in the settings of different forms, there may be a CAPTCHA override, for this, perform the settings of the required form. For example, for the registration form, go to the "Admin Panel", "System" -> "Users", the "User Settings" tab, the "CAPTCHA" field and change it.
To set up the HYDRA plugin for the first time, select a simple and clear display of the verification code with a small number of characters. In case of insufficient protection, gradually complicate it as necessary. So you can achieve the optimal settings for the "HYDRA" plugin.
CODE LENGTH
Select the number of characters to check
HORIZONTAL LINES
from 1 to 10 horizontal lines
Wave
Image distortion
Random Dot
1000 to 9000 random dots
RANDOM LINES
10 to 90 random lines
COLOR CHANGE
Change the colors of any item
MIX
