asus merlin - openvpn -firewall iptable entry

[TD Johnson]

In DD-WRT the following would be added to t he commands field on admin page then click Save Firewall.
iptables -I FORWARD -d 8.8.8.8 -j DROP
iptables -I FORWARD -d 8.8.4.4 -j DROP
Is there a way to add these entry's for use with OpnVpn account in ASUS Merlin? I really don't want to go back to DD-WRT, I so much prefer Merlin.
Thanks

 

[RMerlin]

In DD-WRT the following would be added to t he commands field on admin page then click Save Firewall.
iptables -I FORWARD -d 8.8.8.8 -j DROP
iptables -I FORWARD -d 8.8.4.4 -j DROP
Is there a way to add these entry's for use with OpnVpn account in ASUS Merlin? I really don't want to go back to DD-WRT, I so much prefer Merlin.
Thanks

I don't see the meaning of these rules. At best, it means that some clients using those DNS servers will be unable to resolve anything at all.

What's the intended goal?

 

[sfx2000]

Be advised that there are several popular Apps in the Google Play store that hard-code Google Public DNS (bad idea, I know) - those iptables entries will absolutely break those apps..