From: Mark Andrews <marka@isc.org>
Date: Thu, 19 Feb 2026 12:23:53 +0000 (+1100)
Subject: [9.20] fix: dev: Return FORMERR for ECS family 0
X-Git-Tag: v9.20.20~20
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ac316bf0f68a0877deaa9a7fe93960fce3c984d;p=thirdparty%2Fbind9.git

[9.20] fix: dev: Return FORMERR for ECS family 0

RFC 7871 only defines family 1 (IPv4) and 2 (IPv6). Additionally
it requires FORMERR to be returned for all unknown families.

Backport of MR !11563

Merge branch 'backport-marka-formerr-family-0-9.20' into 'bind-9.20'

See merge request isc-projects/bind9!11565
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8ac316bf0f68a0877deaa9a7fe93960fce3c984d