- Exam Code: RH253
- Exam Name: RedHat Linux Networking and Security Administration
- Certification Provider: RedHat
- Corresponding Certification:Red Hat Linux
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Check Updated on: Aug 17, 2026
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RedHat RH253 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Security and Firewall | - Security policy development - Network access control - Firewall configuration with iptables - SELinux basics and configuration - Security tools and intrusion detection |
| Network Services Configuration | - FTP server management - Apache HTTP server deployment - Samba file sharing services - DNS server configuration - NFS network file system - DHCP server setup and administration - Email services (Sendmail/Postfix) |
| System Performance and Security | - Filesystem and file permissions security - Local security fundamentals - Password and account security - System monitoring and performance tuning - Kernel security and hardening |
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