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RedHat RH253 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Security and Firewall | - Network access control - SELinux basics and configuration - Security tools and intrusion detection - Security policy development - Firewall configuration with iptables |
| Network Services Configuration | - Samba file sharing services - DHCP server setup and administration - Apache HTTP server deployment - DNS server configuration - Email services (Sendmail/Postfix) - FTP server management - NFS network file system |
| System Performance and Security | - Local security fundamentals - Kernel security and hardening - Filesystem and file permissions security - Password and account security - System monitoring and performance tuning |

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