Linux Through the Eyes of a Hacker

The issues of configuring the Linux OS for maximum performance and security are considered. Basic administration and access management, Firewall configuration, file exchange server, WEB, FTP, and Proxy servers, email delivery programs, DNS services, as well as system monitoring policy and data archiving are described. Potential vulnerabilities are presented, recommendations for preventing possible attacks are given, and it is shown how to act during an attack or system breach to restore its functionality as quickly as possible and prevent data loss. The seventh edition has updated information taking into account the latest LTS version of Ubuntu and added more examples of ensuring Linux security and finding vulnerabilities, including in web applications.