security

How To Use the Linux Auditing System on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Use the Linux Auditing System on CentOS 7

The Linux Auditing System helps system administrators create an audit trail, a log for every action on the server. We can track security-relevant events, record the events in a log file, and detect misuse or unauthorized activities by inspecting the audit log files.

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Ersteinrichtung des Servers mit Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Ersteinrichtung des Servers mit Ubuntu 20.04

Wenn Sie erstmals einen neuen Ubuntu 20.04 Server einrichten, sollten Sie im Rahmen der grundlegenden Einrichtung einige wichtige Konfigurationsschritte ausführen. Dadurch erhöhen Sie die Sicherheit und Benutzerfreundlichkeit Ihres Servers und haben eine solide Grundlage für…

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How Fail2Ban Works to Protect Services on a Linux Server — step-by-step Linux tutorial on Progressive Robot

How Fail2Ban Works to Protect Services on a Linux Server

Fail2ban is a daemon that can be used to monitor the logs of services and ban clients that repeatedly fail authentication checks. It is a great tool to help protect against brute force attacks and malicious users. In this guide, we’ll discuss how fail2ban works and how you can leverage its configuration structure to modify or extend its functionality.

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