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config: Make DHCP and DHCPv6 response rules strict #62

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config: Make DHCP and DHCPv6 response rules strict #62

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18 changes: 18 additions & 0 deletions root/etc/config/firewall
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Original file line number Diff line number Diff line change
Expand Up @@ -33,10 +33,19 @@ config rule
option name Allow-DHCP-Renew
option src wan
option proto udp
option src_port 67
option dest_port 68
option target ACCEPT
option family ipv4

config rule
option name Drop-DHCP-Unsolicited
option src wan
option proto udp
option dst_port 68
option target DROP
option family ipv4

# Allow IPv4 ping
config rule
option name Allow-Ping
Expand All @@ -59,10 +68,19 @@ config rule
option name Allow-DHCPv6
option src wan
option proto udp
option src_port 547
option dest_port 546
option family ipv6
option target ACCEPT

config rule
option name Drop-DHCPv6-Unsolicited
option src wan
option proto udp
option dest_port 546
option family ipv6
option target DROP

config rule
option name Allow-MLD
option src wan
Expand Down