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// This is an example configuration file for D2, Kea's DHCP-DDNS processor.
// It supports updating two Forward DNS zones "four.example.com" and
// "six.example.com"; and one Reverse DNS zone, "2.0.192.in-addr.arpa."
{
// ------------------ DHCP-DDNS ---------------------
//
"DhcpDdns":
{
// -------------- Global Parameters ----------------
//
// D2 will listen for update requests for Kea DHCP servers at 172.16.1.10
// on port 53001. Maximum time to we will wait for a DNS server to
// respond to us is 1000 ms.
"ip-address": "172.16.1.10",
"port": 53001,
"dns-server-timeout" : 1000,
//
// ----------------- Forward DDNS ------------------
//
// 1. Zone - "four.example.com.
// It uses TSIG, key name is "d2.md5.key"
// It is served by one DNS server which listens for DDNS requests at
// 172.16.1.1 on the default port 53 (standard DNS port)
//
// 2. Zone - "six.example.com."
// It does not use TSIG.
// It is server by one DNS server at "2001:db8:1::10" on port 7802
"forward-ddns":
{
"ddns-domains":
[
// DdnsDomain for zone "four.example.com."
{
"name": "four.example.com.",
"key-name": "d2.md5.key",
"dns-servers":
[
{
"ip-address": "172.16.1.1"
}
]
},
// DdnsDomain for zone "six.example.com."
{
"name": "six.example.com.",
"dns-servers":
[
{
"ip-address": "2001:db8:1::10",
"port": 7802
}
]
}
]
},
// ----------------- Reverse DDNS ------------------
//
// We will update Reverse DNS for one zone "2.0.192.in-addr-arpa". It
// uses TSIG with key "d2.sha1.key" and is served by two DNS servers:
// one listening at "172.16.1.1" on 53001 and the other at "192.168.2.10".
//
"reverse-ddns":
{
"ddns-domains":
[
{
"name": "2.0.192.in-addr.arpa.",
"key-name": "d2.sha1.key",
"dns-servers":
[
{
"ip-address": "172.16.1.1",
"port": 53001
},
{
"ip-address": "192.168.2.10"
}
]
}
]
},
// ------------------ TSIG keys ---------------------
//
// Each key has a name, an algorithm (HMAC-MD5, HMAC-SHA1, HMAC-SHA224...)
// and a base-64 encoded shared secret.
//
"tsig-keys":
[
{
"name": "d2.md5.key",
"algorithm": "HMAC-MD5",
"secret": "LSWXnfkKZjdPJI5QxlpnfQ=="
},
{
"name": "d2.sha1.key",
"algorithm": "HMAC-SHA1",
"secret": "hRrp29wzUv3uzSNRLlY68w=="
},
{
"name": "d2.sha512.key",
"algorithm": "HMAC-SHA512",
"digest-bits": 256,
"secret": "/4wklkm04jeH4anx2MKGJLcya+ZLHldL5d6mK+4q6UXQP7KJ9mS2QG29hh0SJR4LA0ikxNJTUMvir42gLx6fGQ=="
}
]
},
// The following configures logging. It assumes that messages with at least
// informational level (info, warn, error and fatal) should be logged to stdout.
"Logging": {
"loggers": [
{
"name": "kea-dhcp-ddns",
"output_options": [
{
"output": "stdout",
// Several additional parameters are possible in addition
// to the typical output. Flush determines whether logger
// flushes output to a file. Maxsize determines maximum
// filesize before the file is being rotated. maxver
// specifies the maximum number of rotated files being
// kept.
"flush": true,
"maxsize": 204800,
"maxver": 4
}
],
"debuglevel": 0,
"severity": "INFO"
}
]
}
}
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