• SonicOSX 7
• Advanced
  • Changing Between SonicOS and SonicOSX
    • Changing From Policy to Classic Mode
    • Changing From Classic to Policy Mode
  • Detection Prevention
  • Dynamic Ports
  • Source Routed Packets
  • Access Rule Options
  • IP and UDP Checksum Enforcement
  • Jumbo Frame
  • Connections
  • Control Plane Flood Protection
  • IPv6 Advanced Configuration
• SSL Control
  • Key Features of SSL Control
  • Key Concepts to SSL Control
  • Caveats and Advisories
  • Configuring SSL Control
  • Custom List
  • Enabling SSL Control on Zones
• Cipher Control
  • TLS Ciphers
    • Blocking/Unblocking Ciphers
    • Filtering Ciphers
      • Selecting Display Options
      • Displaying Ciphers by Strength
      • Displaying Ciphers by Block/Unblock
      • Displaying Ciphers by CBC Mode
      • Displaying Ciphers by TLS Protocol Version
  • SSH Ciphers
• Real-Time Black List (RBL) Filter
  • Configuring the RBL Filter
    • Enabling RBL Blocking
    • Adding RBL Services
    • Configuring User-Defined SMTP Server Lists
      • Configuring a White List
      • Configuring a Black List
    • Testing SMTP IP Addresses

IP and UDP Checksum Enforcement

To configure IP and UDP checksum enforcement:

1. Navigate to Device > Firewall Settings > Advanced.

2. Scroll to IP and UDP Checksum Enforcement.

   

3. To drop packets with incorrect checksums in the IP header by enforcing IP header checksums, select Enable IP header checksum enforcement. This option is not selected by default.

4. To drop packets with incorrect checksums in the UDP header by enforcing UDP header checksums, select Enable UDP checksum enforcement. This option is not selected by default.

5. Click ACCEPT.