simple-dyndns

Simple web application to accept dynamic updates by f.e. a fritzbox and set an a name record via cloudflares dns api.

Install

1. go build -trimpath -ldflags=-buildid=
2. mkdir /opt/simple-dyndns
3. mv simple-dyndns /opt/simple-dyndns
4. chmod +x /opt/simple-dyndns/simple-dyndns
5. cp simple-dyndns.service /etc/systemd/system
6. systemctl daemon-reload
7. systemctl start simple-dyndns.service (will fail because no config, but DynamicUser folders are created)
8. create config under /var/lib/private/simple-dyndns/config.json
9. (optional) ln -s /var/lib/private/simple-dyndns/config.json /etc/simple-dyndns/config.json
10. systemctl enable --now simple-dyndns.service
11. create a reverse proxy to expose http://127.0.1.1:8080 to the internet

Configure FritzBox

Field	Value
Update-URL	https://%hostname%(/%path%)?fqdn=<domain>&token=<pass>&ipv4=<ipaddr> Replace %hostname% and include %path% if applicable
Domainname	The dyndns hostname that should be updated
Benutzername	not used, just put none
Kennwort	The web_token for the hostname