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Add recommended non-routable subnets

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224.0.0.0/24 (and 6to4 conversion 2002:e000::/40) from RFC5771	"Multicast Local Network Control Block" defined as non-routable.

239.0.0.0/8 (and 6to4 conversion 2002:ef00::/24) from RFC2365 "Administratively Scoped IP Multicast"

fec0::/10 from RFC3879 "Deprecated Site Local Addresses"
(cherry picked from commit 821ab2dbed)
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JW-Corelight 2025-01-07 12:41:22 -05:00 • committed by Tim Wojtulewicz
parent 5fbbbe9548
commit 05e3de9b81
1 changed files with 12 additions and 0 deletions
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12
scripts/base/utils/site.zeek
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@ -76,6 +76,16 @@ export {
# 203.0.113.0/24 as a 6to4 address, see :rfc:`5737` and :rfc:`3056` # 203.0.113.0/24 as a 6to4 address, see :rfc:`5737` and :rfc:`3056`
[2002:cb00:7100::]/40, [2002:cb00:7100::]/40,
# Multicast Local Network Control Block, see :rfc:`5771`
224.0.0.0/24,
# 224.0.0.0/24 as a 6to4 address, see :rfc:`5771` and :rfc:`3056`
[2002:e000::]/40,
# Administratively Scoped IP Multicast, see :rfc:`2365`
239.0.0.0/8,
# 239.0.0.0/8 as a 6to4 address, see :rfc:`2365` and :rfc:`3056`
[2002:ef00::]/24,
# Reserved, see :rfc:`1112` # Reserved, see :rfc:`1112`
240.0.0.0/4, 240.0.0.0/4,
# 240.0.0.0/4 as a 6to4 address, see :rfc:`1112` and :rfc:`3056` # 240.0.0.0/4 as a 6to4 address, see :rfc:`1112` and :rfc:`3056`
@ -105,6 +115,8 @@ export {
[fc00::]/7, [fc00::]/7,
# Link-Local Unicast, see :rfc:`4291` # Link-Local Unicast, see :rfc:`4291`
[fe80::]/10, [fe80::]/10,
# Deprecated Site Local Addresses, see :rfc:`3879`
[fec0::]/10,
}; };
## Networks that are considered "local". Note that ZeekControl sets ## Networks that are considered "local". Note that ZeekControl sets