Chapter 1 What’s New for FortiOS 5.2.1 : Firewall
  
Firewall
New firewall features include:
• Menu Simplification
• Unified Policy Management
• Importing LDAP Users for a Security Policy
• Dynamic VIP According to DNS Translation
• “GTP Rate Limiting”
• Object UUID Support
• Configuring the Class of Service Bit
• Hairpinning for NAT64 and NAT46
• Maximum Number of Available Virtual IPs Increased