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Instructions for responding to emergency situations when working with Nemesida WAF

Instructions for responding to emergency situations when working with Nemesida WAF

Though we are constantly working on optimizing all Nemesida WAF components, there is a possibility of an emergency situation. Similar situations include:

Nemesida WAF, Nemesida WAF errors
The most common issues while setting up the Nemesida WAF

The most common issues while setting up the Nemesida WAF

Guide to solving main issues while setting up and operating the Nemesida WAF.

Issue
Configuring Nemesida WAF in reverse proxy mode

Configuring Nemesida WAF in reverse proxy mode

To use a web server with installed Nginx and Nemesida WAF as an intermediate server, you should create corresponding file of the virtual host (for example /etc/nginx/conf.d/example.com.conf).

Nemesida WAF, nginx
Configuring failover operation of Nemesida WAF API

Configuring failover operation of Nemesida WAF API

The Nemesida WAF API module is the key link between all Nemesida WAF components, so it is necessary to ensure its fault-tolerant operation. In this article we will explain how to do it.

Nemesida WAF API, PostgreSQL, PostgreSQL replication
Activation of Nginx process crash tracking when working with Nemesida WAF

Activation of Nginx process crash tracking when working with Nemesida WAF

During Nginx operation, errors may occur, leading to an emergency interruption of the execution of requests, as a result of which Nemesida WAF cannot process the request correctly. To track and correct errors in the code, the process memory image recording analysis (core dump) is used. Setup To activate the tracking functionality and record information

gdb, Nemesida WAF, nginx
Countering DDoS/Brute-force/Flood attacks with Nemesida WAF

Countering DDoS/Brute-force/Flood attacks with Nemesida WAF

Nemesida WAF allows to automatically deal with brute force, flood and DDoS attacks. Setup Nemesida WAF Cabinet allows you to configure Nemesida WAF parameters to protect the web application using the web interface. To activate the functionality, you need to perform the following actions: 1. Make the minimal settings on servers with Nemesida WAF modules

Brute-force, DDoS, Flood, Nemesida AI, Nemesida WAF
Configuring centralized collection of Nemesida WAF events using Rsyslog

Configuring centralized collection of Nemesida WAF events using Rsyslog

Nemesida WAF can be integrated with external SIEM systems. To do this, the first step is to configure, using Rsyslog, the collection of events from all servers where Nemesida WAF is installed. The Enterprise plan allows you to organize centralized collection, storage and processing of logs of all Nemesida WAF components using the capabilities of

Nemesida WAF rsyslog, rsyslog, syslog
Nemesida AI -  the machine learning module of Nemesida WAF

Nemesida AI - the machine learning module of Nemesida WAF

How we created machine learning module and why we decided to refuse neural networks preferred to classical algorithms, what attacks are detected using Levenshtein distance and how the accuracy of the attack detection is reached.

Brute-force, Nemesida AI
Protection against brute-force attacks

Protection against brute-force attacks

Using the module Nemesida AI allows you to identify the signs of «brute-force» attacks.

Brute-force
Integration with ClamAV antivirus software

Integration with ClamAV antivirus software

Nemesida WAF is supplemented with a new module designed to exchange data with the ClamAV antivirus software.

ClamAV
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Manuals

  • Introduction to Nemesida WAF
  • Filtering node
  • Nemesida AI MLC
  • Nemesida WAF API
  • Nemesida WAF Cabinet
  • Nemesida WAF Scanner
  • Docker images of the Nemesida WAF
  • Virtual Appliance of the Nemesida WAF
  • Update the Nemesida WAF

Learn more

  • Instructions for responding to emergency situations when working with Nemesida WAF
  • The most common issues while setting up the Nemesida WAF
  • Configuring Nemesida WAF in reverse proxy mode
  • Configuring failover operation of Nemesida WAF API
  • Activation of Nginx process crash tracking when working with Nemesida WAF
  • Countering DDoS/Brute-force/Flood attacks with Nemesida WAF
  • Configuring centralized collection of Nemesida WAF events using Rsyslog
  • Nemesida AI - the machine learning module of Nemesida WAF
  • Protection against brute-force attacks
  • Integration with ClamAV antivirus software
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