[Kea-users] DDNS Error

Software Info softwareinfojam at gmail.com
Mon Jun 8 06:16:59 UTC 2020


H All
I am trying to set up kea to dynamically update a BIND-9.16 zone named
home.local. THe error I am getting is below. I would appreciate any
help resolving this error.

DHCP_DDNS_FORWARD_ADD_REJECTED DNS Request ID
00010123F7C5108AE5734DE11681A33E491CA0E0EDF5715D273DC032EE8400ADEDFD98:
Server, 127.0.0.1 port:53, rejected a DNS update request to add the
address mapping for FQDN, debian10.home.local., with an RCODE: 4


Please note the config in some of my Files

[kea-dhcp4.conf]
"dhcp-ddns": {
        "enable-updates": true,
        "qualifying-suffix": "home.local."
        "server-ip": "127.0.0.1",
        "server-port": 53
    },

[kea-dhcp-ddns.conf]
{
"DhcpDdns": {

  "tsig-keys": [
          {
            "name": "homelocal.key.",
            "algorithm": "HMAC-SHA256",
            "secret": "/invibCej8eFTY2aqvIJxIGMPjvkvjNj80OMnK2="
          }
               ],

  "forward-ddns": {
                       "ddns-domains": [
                       {
                        "name": "home.local.",
                        "key-name": "",
                        "dns-servers": [
                           {
                            "hostname": "",
                            "ip-address": "127.0.0.1",
                            "port": 53
                           }
                        ]
                       }
                       ]
                   }

[Bind named.conf]
key "homelocal.key" {
        algorithm hmac-sha256;
        secret "/invibCej8eFTY2aqvIJxIGMPjvkvjNj80OMnK2=";
};

zone "home.local" in{
        type master;
        allow-update {key "homelocal.key";};
        file "/usr/local/etc/namedb/dynamic/home.local";
};

logging {
   channel dns_log{
    file "/var/log/dns.log" versions 3 size 500k;
    severity debug;
   };
   category default{
   dns_log;
   };
};


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