2.2.6.1.1 DNS_ZONE_UPDATE

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In the DNS_ZONE_UPDATE enumeration a value is a 2-bit value that indicates the type of dynamic update that is allowed for a zone.

Constant/value

Description

ZONE_UPDATE_OFF

0x0

No updates are allowed for the zone.

ZONE_UPDATE_UNSECURE

0x1

All updates (secure and unsecure) are allowed for the zone.

ZONE_UPDATE_SECURE

0x2

The zone only allows secure updates, that is, the DNS packet MUST have a TSIG [RFC2845] present in the additional section.