Friday, November 26, 2021

How to Monitor OpenVPN Connections using openvpn-monitor tool

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In this tutorial, we are going to learn how to monitor OpenVPN connections using openvpn-monitor tool. This tutorial focuses on monitoring OpenVPN connections established using the OpenVPN Community Edition. OpenVPN CE provides a de-facto standard for creating a secure VPN connections over the internet using a custom security protocol that utilizes SSL/TLS. While scouring the Internet for the tools that...

Process and Visualize ModSecurity Logs on ELK Stack

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In this tutorial, you will learn how to process and visualize ModSecurity Logs on ELK Stack. ModSecurity is an open source, cross-platform web application firewall (WAF) module developed by Trustwave’s SpiderLabs. Known as the “Swiss Army Knife” of WAFs, it enables web application defenders to gain visibility into HTTP(S) traffic and provides a power rules language and API to implement advanced...

Install and Setup AWStats Log Analyzer on CentOS 8

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Welcome to our tutorial on how to install and setup AWStats Log Analyzer on CentOS 8. AWStats is an acronym for Advanced Web Statistics and "is a free powerful and featureful tool that generates advanced web, streaming, ftp or mail server statistics, graphically. This log analyzer works as a CGI or from command line and shows you all possible information your log contains,...

Add Hosts to Nagios Server For Monitoring

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In this guide, we are going to learn how to add hosts to Nagios Server for monitoring. Well, in order to monitor your remote hosts with Nagios server for availability and metric checks, you need to add them hosts to the Nagios server. Before you can proceed, ensure that your Nagios is up and running; Install Nagios Server on CentOS 8 Install...

Install and Configure SNMP on CentOS 8

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Welcome to our guide on how to install and configure SNMP on CentOS 8. SNMP stands for Simple Network Management Protocol. It is an Internet Standard protocol that provides an agentless method of managing and monitoring of network devices and servers for health information, system metrics such as CPU load, Physical Memory usage, number of running processes, service states or any other metric...

Install and Configure SNMP on Debian 10 Buster

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This guide will take you through how to install and configure SNMP on Debian 10 Buster for monitoring using either SNMP v2c or v3. If you are looking at monitoring your Debian 10 system with monitoring tools like Nagios, Icinga or any other tools for health information, system metrics such as CPU load, Physical Memory usage, number of running...

Install Grafana Plugins Behind a Proxy server

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This is a quick guide on how to install Grafana plugins behind a proxy server. If you have tried, to install or try to list available Grafana plugins when you are behind a proxy, you might have experienced errors as; grafana-cli plugins list-remote Failed to send requesterrorGet https://grafana.com/api/plugins/repo: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers) Error: ✗...

Quick Way to Install and Configure SNMP on Ubuntu 20.04

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In this guide, we are going to learn how to install and configure SNMP on Ubuntu 20.04. SNMP is an acronym for Simple Network Management Protocol. It provides an agentless method of managing and monitoring of network devices and servers for health information, system metrics such as CPU load, Physical Memory usage, number of running processes, service state e.t.c...

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

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In this guide, we are going to show you how to fix AlienVault HIDS events displaying 0.0.0.0 as IP address. Are you running AlienVault OSSIM 5.7.1 and you are experiencing an issue where by it is not parsing events correctly and instead of displaying the actual hostnames or IP addresses as it is on the events, it displays 0.0.0.0? Fix...

Configure ELK Stack Alerting with ElastAlert

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Welcome to our tutorial on how to configure ELK Stack alerting with ElastAlert. As much as ELK Stack enables you to collect, process/parse, index and visualize various system data, it can as well be configured to alert on various events. The alerting features enable you to watch for changes or anomalies in your data and perform the necessary actions...