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Pol Hallen
Asked: 2016-09-22 10:08:31 +0800 CST

key DDNS_UPDATE unknown key

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After upgraded isc-dhcp-server and keep my config I've a strange error like logs below:

Sep 21 20:02:03 asia isc-dhcp-server[24548]: key DDNS_UPDATE;
Sep 21 20:02:03 asia isc-dhcp-server[24548]: ^

ping-check true;
one-lease-per-client true;
get-lease-hostnames true;
update-conflict-detection false;
ddns-updates on;
ddns-update-style interim;
update-static-leases on;
allow unknown-clients;
use-host-decl-names on;
include "/etc/dhcp/rndc.key";

zone bunker.org. {
        primary localhost;
        key DDNS_UPDATE;
        }

zone 1.168.192.in-addr.arpa. {
        primary localhost;
        key DDNS_UPDATE;
        }

and logs here:

Sep 21 20:02:03 asia isc-dhcp-server[24548]: /etc/dhcp/dhcpd.conf line 30: unknown key DDNS_UPDATE
Sep 21 20:02:03 asia isc-dhcp-server[24548]: key DDNS_UPDATE;
Sep 21 20:02:03 asia isc-dhcp-server[24548]: ^
Sep 21 20:02:03 asia isc-dhcp-server[24548]: /etc/dhcp/dhcpd.conf line 35: unknown key DDNS_UPDATE
Sep 21 20:02:03 asia isc-dhcp-server[24548]: key DDNS_UPDATE;
Sep 21 20:02:03 asia isc-dhcp-server[24548]: ^
bind

1 Answers

  1. Modify your zone so:

    zone bunker.org. {
        primary 192.168.1.212;
        key rndc-key;
        }

zone 1.168.192.in-addr.arpa. {
        primary 192.168.1.212;
        key rndc-key;
        }
    • 1