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Improve RFC links (#8612)

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The `tools.ietf.org` site now redirects to `www.rfc-editor.org`.
* Update various URLs to the new site.
* Make links to `www.rfc-editor.org` consistent.

Signed-off-by: SuperQ <superq@gmail.com>
This commit is contained in:
Ben Kochie
2026-10-08 10:21:06 +02:00
committed by GitHub
parent 763bdb9b76
commit 311a9915da
60 changed files with 1006 additions and 215 deletions
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plugin/geoip/README.md
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@@ -89,7 +89,7 @@ geoip [DBFILE] {
**NOTE:** due to security reasons, recursive DNS resolvers may mask a few bits off of the clients' IP address, which can cause inaccuracies in GeoIP resolution.
There is no defined mask size in the standards, but there are examples: [RFC 7871's example](https://datatracker.ietf.org/doc/html/rfc7871#section-13) conceals the last 72 bits of an IPv6 source address, and NS1 Help Center [mentions](https://help.ns1.com/hc/en-us/articles/360020256573-About-the-EDNS-Client-Subnet-ECS-DNS-extension) that ECS-enabled DNS resolvers send only the first three octets (eg. /24) of the source IPv4 address.
There is no defined mask size in the standards, but there are examples: [RFC 7871's example](https://www.rfc-editor.org/info/rfc7871/#section-13) conceals the last 72 bits of an IPv6 source address, and NS1 Help Center [mentions](https://help.ns1.com/hc/en-us/articles/360020256573-About-the-EDNS-Client-Subnet-ECS-DNS-extension) that ECS-enabled DNS resolvers send only the first three octets (eg. /24) of the source IPv4 address.
## Examples