Security auditing is a crucial aspect of maintaining the integrity and security of Linux servers. This document provides an overview of various tools and techniques that can be used to audit the security of your Linux server.
Lynis is a popular open-source security auditing tool for Unix-based systems. It performs an in-depth security scan and provides suggestions for improving system security.
sudo apt-get install lynissudo lynis audit systemOpenSCAP is a collection of open-source tools for implementing and enforcing security policies. It is based on the Security Content Automation Protocol (SCAP).
sudo apt-get install openscap-scanneroscap xccdf eval --profile xccdf_org.ssgproject.content_profile_standard /usr/share/xml/scap/ssg/content/ssg-centos7-ds.xmlAIDE is a file and directory integrity checker. It creates a database from the regular expression rules that it finds from the config file.
sudo apt-get install aidesudo aideinitChkrootkit is a tool to locally check for signs of a rootkit. It contains various programs that check for known rootkits.
sudo apt-get install chkrootkitsudo chkrootkitClamAV is an open-source antivirus engine for detecting trojans, viruses, malware, and other malicious threats.
sudo apt-get install clamavsudo clamscan -r /By using these tools and following best practices, you can significantly enhance the security of your Linux servers.