config zone
option name lan
- option network 'lan'
- option input ACCEPT
- option output ACCEPT
- option forward REJECT
+ option network 'lan'
+ option input ACCEPT
+ option output ACCEPT
+ option forward REJECT
config zone
option name wan
- option network 'wan'
- option input REJECT
- option output ACCEPT
- option forward REJECT
+ option network 'wan'
+ option input REJECT
+ option output ACCEPT
+ option forward REJECT
option masq 1
- option mtu_fix 1
+ option mtu_fix 1
config forwarding
- option src lan
- option dest wan
+ option src lan
+ option dest wan
# We need to accept udp packets on port 68,
# see https://dev.openwrt.org/ticket/4108
option proto udp
option dest_port 68
option target ACCEPT
- option family ipv4
+ option family ipv4
-#Allow ping
+# Allow IPv4 ping
config rule
- option src wan
- option proto icmp
- option icmp_type echo-request
- option target ACCEPT
+ option src wan
+ option proto icmp
+ option icmp_type echo-request
+ option family ipv4
+ option target ACCEPT
+
+# Allow essential incoming IPv6 ICMP traffic
+config rule
+ option src wan
+ option dest *
+ option proto icmp
+ list icmp_type echo-request
+ list icmp_type destination-unreachable
+ list icmp_type packet-too-big
+ list icmp_type time-exceeded
+ list icmp_type bad-header
+ list icmp_type unknown-header-type
+ option limit 1000/sec
+ option family ipv6
+ option target ACCEPT
# include a file with users custom iptables rules
config include