Symptoms:

• What are the 2 Native Implicit Firewall rules
• Any hidden Firewall Rules
• Any Implicit Firewall Rules

Facts:

• Implicit Firewall rules
• 3DES
• X Family
• X5
• X506

Causes:

• The X Family firewalls have 2 default implicit firewall rules, those rules are not displayed but are handled after all other visible firewall rules.

Fixes: Here follows the 2 Implicit Firewall rules:

Hidden Rule 1:

• Action: Permit
• Source Zone: this-device
• Dest Zone: ANY
• Service: ANY

Hidden Rule 2:

• Action: Deny
• Source Zone: ANY
• Dest Zone: ANY
• Service: ANY

• Product(s): X Family
• Sub Product(s): X5, X506

— David Gonzalez 2021/04/07 15:34