If the global firewall is enabled for IPv6 interfaces, you can disable the firewall for an individual tunnel interface here. To enable the firewall globally for all interfaces, select IPv6 firewall/QoS enabled in the menu .
Note: Disabling the firewall globally means that the firewall is disabled for all interfaces, even if you enable this option.
      
    - SNMP ID:
 - 2.70.1.1.8
 - Console path:
 - Setup > IPv6 > Tunnel > 6in4
 - Possible values:
 - No
 - Yes
 
- Default:
 - Yes