LNX550 - Host Security
Course description
This highly technical course focuses on properly securing machines running the Linux operating systems. A broad range of general security techniques such as packet filtering, password policies, and file integrity checking are covered. Special attention is given to securing commonly deployed network services. At the end of the course, students have an excellent understanding of the potential security vulnerabilities -- know how to audit existing machines, and how to securely deploy new network services.
Prerequisites
Individuals planning to take this class should have some system administration experience with Linux. Students should be comfortable with concepts and tasks such as editing text files in UNIX/Linux, and starting and stopping daemons. A good grasp of networking concepts will be helpful.
What you will learn
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- Securing Linux
- General security concepts
- Auditing existing system security
- Securing services with TCP wrappers, Xinetd, and iptables
- PAM and password security
- Securing local and NFS filesystems
- File integrity checking with Tripwire
- Securing BIND DNS
- Securing SMTP email with Sendmail and Postfix
- Securing PostgreSQL databases
- Securing Apache web servers
- Securing PHP Web Applications
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