From 1d273875bb3b2300729414fcbc8926fc667db15b Mon Sep 17 00:00:00 2001 From: Aminda Suomalainen Date: Mon, 6 May 2024 16:26:28 +0300 Subject: [PATCH] n/dns.md: add links to Wikipedia on ECS, Client-Subnet, fix link for DHCPv6 PD, link to PrivacyGuides DNS Overview as well --- n/dns.md | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/n/dns.md b/n/dns.md index 861d894..fc71285 100644 --- a/n/dns.md +++ b/n/dns.md @@ -65,10 +65,12 @@ least temporary. Thus I think this list belongs here close enough. ## What is ECS? -EDNS Client-Subnet is a DNS extension letting the authoritative nameserver +[EDNS](https://en.m.wikipedia.org/wiki/Extension_Mechanisms_for_DNS) [Client-Subnet](https://en.wikipedia.org/wiki/EDNS_Client_Subnet) is a DNS extension letting the authoritative nameserver know your subnet, generally a `/24` (IPv4) or a `/56` (IPv6), but the revealed subnet size is up to your DNS resolver configuration. +_See also simpler explanation at [PrivacyGuides.org DNS Overview](https://www.privacyguides.org/en/advanced/dns-overview/#what-is-edns-client-subnet-ecs)._ + - /24 is the first three parts of your IPv4 address e.g. 192.0.2.xxx. The last part of your IP address (the xxx) again is a number between 1 to 254 (since 0 is reserved for the network itself and 255 is the @@ -83,7 +85,7 @@ subnet size is up to your DNS resolver configuration. which is the most common way of getting IPv6 address in your local area network as opposed to IPv4 where you would have [Dynamic Host Configuration Protocol (DHCP)](https://en.m.wikipedia.org/wiki/Dynamic_Host_Configuration_Protocol). - - Your router does get the IPv6 subnet assignment for LAN distribution by means of [DHCPv6 Prefix Delegation](https://en.wikipedia.org/wiki/Prefix_delegation) which is also common on mobile networks. + - Your router does get the IPv6 subnet assignment for LAN distribution by means of [DHCPv6 Prefix Delegation](https://en.m.wikipedia.org/wiki/Prefix_delegation) which is also common on mobile networks. ### Why to use ECS?