Custom iptables rules cause router crash and reboot.

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maidmeow4

Occasional Visitor
Router: RT-AC66U B1 with merlin 386.3_2
I have some custom iptables rules to block some ip addresses, on merlin 384 these rules works fine, but on merlin 386, once the rules were triggered, the router crashed and reboots.
No matter how I add these iptables rules (firewall-start or directly from ssh).
Here are the custom rules I made:
Code:
iptables -I FORWARD -p tcp -d 120.92.215.64 --dport 80 -j REJECT --reject-with tcp-reset
iptables -I FORWARD -p tcp -d 182.254.116.116 --dport 80 -j REJECT --reject-with tcp-reset
iptables -I FORWARD -p tcp -d 119.29.29.29 --dport 80 -j REJECT --reject-with tcp-reset
 

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