DDClient Linux Setup Solved

OVERVIEW

DDclient updates dynamic DNS entries for accounts on a wide range of dynamic DNS services. This is applicable to a wide range of use cases. It’s commonly used on Non-CGNAT networks where the internet service that the subscriber subscribes to does not include a static public IP address, but rather a dynamic public IP address. A dynamic public IP address randomly changes without notice. DNS entries “A” records at a domain registrar must be pointed to a valid ip address for clients to reach your domain. Thus the need to autoupdate IP addresses when this change occurs. Features include: operating as a daemon, automatic updates, retrying failed updates, and sending update status to syslog and through email.

Configuration

First enable "Dynamic DNS" on Namecheap to get a password. After installation of software on your linux OS, next is to configure ddclient to work with your Registrar, for this documetation Namecheap is the Registrar. Using your favorite editor edit /etc/ddclient.conf and make sure these Namecheap settings are applied:

Bash

    
daemon=600
syslog=yes     # log the output to syslog
mail=xxxxx@xxxx.com    # send email notifications to root
mail-failure=xxxxx@xxxxx.com   # send email when failed
ssl=yes
use=web, web=api.ipify.org
protocol=namecheap
server=dynamicdns.park-your-domain.com
login=Your_Domain.com
password=password that was generated by namecheap
@

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Verify configured set up

Bash

    sudo ddclient -daemon=0 -verbose

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You should see something like:

CONNECT: api.ipify.org

CONNECTED: using SSL

SENDING: GET / HTTP/1.1

SENDING: Host: api.ipify.org

SENDING: User-Agent: ddclient/3.10.0

SENDING: Connection: close

SENDING:

RECEIVE: HTTP/1.1 200 OK

RECEIVE: Date: Sun, 01 Mar 2021 13:24:12 GMT

RECEIVE: Content-Type: text/plain

RECEIVE: Content-Length: 12

RECEIVE: Connection: close

RECEIVE: Server: cloudflare

RECEIVE: Vary: Origin

RECEIVE: cf-cache-status: DYNAMIC

RECEIVE: CF-RAY: 9d587b09af6374c0-MIA

RECEIVE:

RECEIVE: 75.70.47.1

SUCCESS: @: skipped: IP address was already set to 75.70.47.1.

Running ddclient as a service

In order to get ddclient to start on system boot, you need to run it as a systemd service:

Bash

    sudo systemctl enable ddclient.service
    sudo systemctl start ddclient.service

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DDClient Linux Setup Solved

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