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config: Drop unaccounted icmp6 packets #44

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config: Drop unaccounted icmp6 packets #44

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1073536
Drop unaccounted icmp6 packets
brada4 Feb 1, 2025
0f57db7
Fix both highlightrd issues
brada4 Mar 24, 2025
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17 changes: 15 additions & 2 deletions root/etc/config/firewall
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,6 @@ config rule
option src wan
option proto icmp
list icmp_type echo-request
list icmp_type echo-reply
list icmp_type destination-unreachable
list icmp_type packet-too-big
list icmp_type time-exceeded
Expand All @@ -95,14 +94,20 @@ config rule
option family ipv6
option target ACCEPT

config rule
option name Drop-ICMPv6-Excess
option src wan
option proto icmp
option family ipv6
option target DROP

# Allow essential forwarded IPv6 ICMP traffic
config rule
option name Allow-ICMPv6-Forward
option src wan
option dest *
option proto icmp
list icmp_type echo-request
list icmp_type echo-reply
list icmp_type destination-unreachable
list icmp_type packet-too-big
list icmp_type time-exceeded
Expand All @@ -112,6 +117,14 @@ config rule
option family ipv6
option target ACCEPT

config rule
option name Drop-ICMPv6-Forward-Excess
option src wan
option dest *
option proto icmp
option family ipv6
option target DROP

config rule
option name Allow-IPSec-ESP
option src wan
Expand Down