You can make the BitNinja captcha page more user-friendly by customizing it. For example, you can include your company logo. This way users will be more familiar with it The captcha page can be customized on a per-server basis.
The default captcha page is stored in the /opt/bitninja/modules/Cap...
Solution
Just echo an empty string to the file. echo "" > /var/lib/bitninja/blue.pid.Try to start the BitNinja agent with service bitninja start command
If that does not work for some reason:
Delete the whole file with the following commandrm /var/lib/bitninja/blue.pid -y&...
The server’s box is red or yellow on the Dashboard.
This means that the BitNinja health checking service could not reach BitNinja on the server
Check if BitNinja is running
We need to check if BitNinja is running on the server with service bitninja status command
BitNinja is runni...
With the 2.29.0 version of BitNinja, we introduced the rate limiting feature. This is based on the WAF and SSLTerminating modules. In order to use this feature make sure that the WAF module is enabled and working on the domains, you wish to protect with this feature.
You can set a limit for the...
What process is responsible
We need to check what process is responsible for the increased load.
To do so:
https://knowledgebase.bitninja.io/kb/bitninja-increases-the-server-load/
Run htop or top command, htop is more user-friendlySort the processes according to memory usagein htop ...
DoS vs DDoSThe server’s load is high due to (Distributed) Denial of Service attacks ((D)DoS).In the case of DoS attacks, there are multiple connections established from an IP, BitNinja will block the IP address if the number of connections reaches our threshold.
In the case of DDoS, the attack...
