RedHat RH253 : RedHat Linux Networking and Security Administration

  • Exam Code: RH253
  • Exam Name: RedHat Linux Networking and Security Administration
  • Updated: Sep 03, 2026     Q & A: 100 Questions and Answers

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Following are some reference material for actual RedHat RH253 exam test

RedHat RH253 Exam Syllabus Topics:

SectionObjectives
Topic 1: System Performance and Security- Local security fundamentals
- Password and account security
- System monitoring and performance tuning
- Filesystem and file permissions security
- Kernel security and hardening
Topic 2: Network Security and Firewall- Network access control
- SELinux basics and configuration
- Security tools and intrusion detection
- Firewall configuration with iptables
- Security policy development
Topic 3: Network Services Configuration- Email services (Sendmail/Postfix)
- FTP server management
- DHCP server setup and administration
- NFS network file system
- DNS server configuration
- Samba file sharing services
- Apache HTTP server deployment

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