SOHO : Small Office Home Office
Freeware - Opensource software tips, tricks, tweaks & fixes for managing, securing, improving the performance of SOHO Desktop, Laptop, Networks

Thursday, March 10, 2011

How to update Dynamic IP changes to multiples services on DD-WRT opensource router?

The goal of this article to is update dynamic IP with multiple service providers from network router.

Multiple Service Providers :
  • OpenDNS : We are using OpenDNS Basic on our network. It offers web content filtering, proxy / anonymizer blocking, whitelist / blacklist,  phishing protection, botnet protection, Two weeks detailed stat, typo correction, shortcuts and web based administration for free. In short - simple, safer and faster internet experience. 
  • DynDNS : DynDNS service allows you to point a hostname (like myname.dyndns.org) to a dynamic IP address, so that when you type in myname.dyndns.org, it will always resolve to your IP address regardless of whether it changes.

Router : Netgear WNR-3500L flashed with dd-wrt (v24-sp2)
DD-WRT is a Linux based alternative OpenSource firmware suitable for a great variety
of WLAN routers and embedded systems. The main emphasis lies on providing the easiest possible handling while at the same time supporting a great number of functionalities within the framework of the respective hardware platform used. More articles on this to follow. 
DD-WRT uses inadyn client to update DDNS (Dynamic DNS) with any one service provider. But in our case we need to update multiple service providers simultaneously. To achieve this we make use of a third party service called DNS-O-Matic.

  • DNS-O-Matic is a free service from OpenDNS and easy way to announce your dynamic IP changes to multiple services with a single update. Using DNS-O-Matic allows you to pick and choose what Dynamic DNS services you want to notify, all from one easy to use interface.
DD-WRT uses inadyn so the settings are:

DDNS Service: Custom
DYNDNS Server: updates.dnsomatic.com
Username: your username
Password: your password
Hostname: all.dnsomatic.com
URL: /nic/update?



Note on  DNS-O-Matic
  1. Supports 29 service providers . More : https://www.dnsomatic.com/wiki/supportedservices
  2. API tool for developers
  3. Client software for Windows, MAC and Linux : https://www.dnsomatic.com/wiki/software 
  4. Works with hardware supporting TOMATO and DD-WRT firmware.

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