Bind & DDNS & PowerShell

Den Key erstellt Ihr euch über SSH mit folgendem Befehl
Achtung: Domainname natürlich mit eurem ersetzen!

ddns-confgen -a hmac-sha512 -z Domainname

//
// named.conf
//
// Provided by Red Hat bind package to configure the ISC BIND named(8) DNS
// server as a caching only nameserver (as a localhost DNS resolver only).
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//

options {
	listen-on port 53 {
			any;
		};
	// listen-on-v6 port 53 { ::1; };
    // filter-aaaa-on-v4 yes;
	directory 	"/var/named";
	dump-file 	"/var/named/data/cache_dump.db";
	statistics-file "/var/named/data/named_stats.txt";
	memstatistics-file "/var/named/data/named_mem_stats.txt";
	secroots-file	"/var/named/data/named.secroots";
	recursing-file	"/var/named/data/named.recursing";
	allow-query {
		any;
		};
	allow-transfer {
		EDITED;
		};
	notify yes;
	also-notify {
		EDITED;
		};
	/* 
	 - If you are building an AUTHORITATIVE DNS server, do NOT enable recursion.
	 - If you are building a RECURSIVE (caching) DNS server, you need to enable 
	   recursion. 
	 - If your recursive DNS server has a public IP address, you MUST enable access 
	   control to limit queries to your legitimate users. Failing to do so will
	   cause your server to become part of large scale DNS amplification 
	   attacks. Implementing BCP38 within your network would greatly
	   reduce such attack surface 
	*/
	recursion yes;

	dnssec-validation auto;

	managed-keys-directory "/var/named/dynamic";
	geoip-directory "/usr/share/GeoIP";

	pid-file "/run/named/named.pid";
	session-keyfile "/run/named/session.key";

	/* https://fedoraproject.org/wiki/Changes/CryptoPolicy */
	include "/etc/crypto-policies/back-ends/bind.config";
	forwarders {
		EDITED;
		8.8.8.8;
		8.8.4.4;
		};
	// dnssec-enable yes;
	// dnssec-enable yes;
};

logging {
	channel default_debug {
		file "/var/log/named.run";
		};
};

zone "." IN {
	type hint;
	file "named.ca";
};

include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";

key rndc-key {
	algorithm hmac-sha256;
	secret "EDITED";
	};

key "ddns-key.dyndns.datateam.center" {
        algorithm hmac-sha512;
        secret "Euer generierter Key";
};

controls {
	inet 127.0.0.1 port 953 allow { 127.0.0.1; } keys { rndc-key; };
};

server EDITED {
};

zone "datateam.center" {
	type master;
	file "/var/named/datateam.center.hosts";
	also-notify {
		EDITED;
		};
	notify yes;
    update-policy {
          grant ddns-key.dyndns.datateam.center zonesub ANY;
    };
	allow-transfer {
		127.0.0.1;
		EDITED;
		};
};

key "ddns-key.dyndns.datateam.center" {
        algorithm hmac-sha512;
        secret "Euer generierter Key";
};

Unter der Zone kommt folgendes:    
    update-policy {
          grant ddns-key.dyndns.datateam.center zonesub ANY;
    };

key "ddns-key.dyndns.datateam.center" {
        algorithm hmac-sha512;
        secret "Euer generierter Key";
};

<#
Get full info:
$providerinfo = Invoke-RestMethod http://ipinfo.io/json
#>

Param (
    [String]$KeyPath = "C:\dyndns\dyndns.datateam.center.key",
    [String]$NSScriptPath = "c:\dyndns\nsupdate.txt",
    [String]$NSUpdatePath = "C:\dyndns"
)

begin {
    #Gather status of system IP Addresses, DNS Servers, and domains
$myip = (Invoke-WebRequest -uri "https://api.ipify.org/").Content
$servername = "ns1.datateam.center"
$dnszone = "datateam.center"
$hostname = "holodeck.$dnszone"

}

process {
                    $script = "update delete $hostname
update add $hostname. 60 A $myip

"
        }

end {
    $script | Out-File -FilePath $NSScriptPath -Encoding "ascii" -Force
    Start-Process -FilePath (Join-Path -Path $NSUpdatePath -ChildPath "nsupdate.exe") -ArgumentList "-d -k `"$KeyPath`" `"$NSScriptPath`"" -Wait -NoNewWindow -RedirectStandardError "c:\dyndns\nsstderr.log" -RedirectStandardOutput "c:\dyndns\nsstdout.log" -WorkingDirectory $NSUpdatePath | Out-Null
    
}