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[chore] Remove duplicate prefixes from sanitizer (#1195)

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In the previous changes that expanded the IPv4 and IPv6 deny lists based
on the IANA registries we inadvertently added a number of duplicates.
This is unnecessary as they're already caught by larger prefixes and
means there's less entries to scan.

This change removes all prefixes that are subnets of other prefixes.
This commit is contained in:
Daniele Sluijters 2022-12-01 20:34:55 +01:00 committed by GitHub
parent 85524f8b4b
commit 558b448ab2
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1 changed files with 0 additions and 9 deletions
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9
internal/netutil/validate.go
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@ -33,14 +33,6 @@ var (
netip.MustParsePrefix("64:ff9b:1::/48"), // IPv4/IPv6 translation, RFC 8215
netip.MustParsePrefix("100::/64"), // Discard prefix, RFC 6666
netip.MustParsePrefix("2001::/23"), // IETF Protocol Assignments, RFC 2928
netip.MustParsePrefix("2001::/32"), // Teredo
netip.MustParsePrefix("2001:1::1/128"), // Port Control Protocol Anycast, RFC 7723
netip.MustParsePrefix("2001:1::2/128"), // Traversal Using Relays around NAT Anycast, RFC 8155
netip.MustParsePrefix("2001:2::/48"), // Benchmarking, RFC 5180
netip.MustParsePrefix("2001:3::/32"), // AMT, RFC 7450
netip.MustParsePrefix("2001:4:112::/48"), // AS112-v6, RFC 7535
netip.MustParsePrefix("2001:10::/28"), // ORCHID, deprecated
netip.MustParsePrefix("2001:20::/28"), // ORCHIDv2
netip.MustParsePrefix("2001:db8::/32"), // Test, doc, examples
netip.MustParsePrefix("2002::/16"), // 6to4
netip.MustParsePrefix("2620:4f:8000::/48"), // Direct Delegation AS112 Service, RFC 7534
@ -60,7 +52,6 @@ var (
netip.MustParsePrefix("169.254.0.0/16"), // Link-local
netip.MustParsePrefix("172.16.0.0/12"), // Private
netip.MustParsePrefix("192.0.0.0/24"), // RFC6890
netip.MustParsePrefix("192.0.0.0/29"), // IPv4 Service Continuity Prefix, RFC 7335
netip.MustParsePrefix("192.0.2.0/24"), // Test, doc, examples
netip.MustParsePrefix("192.31.196.0/24"), // AS112-v4, RFC 7535
netip.MustParsePrefix("192.52.193.0/24"), // AMT, RFC 7450