Property:DynDNS

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BoxMatrix >> Lexicon >> Internet-Terms >> DynDNS

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Term

Term:	DynDNS	Wiki	Freetz	IPPF	whmf	AVM	Web
Short for:	Dynamic DNS
Location:	Lexicon >> Internet-Terms
Weblinks:	Wikipedia.int  -  Wikipedia.de   -  RFC-2136   -  RFC-3007
Description:	Dynamically updated DNS entries for non-static IPs.

Goto:   FRITZ!OS   -   SMW-Browser

Details

Dynamic DNS aka DynDNS aka DDNS provides a method to use the DNS system with non-static IPs.
It is a client / server solution which consists of:

• A server software running on the DNS server, which updates the IP a respective Domain or Subdomain points to
• A client software running on the router, which informs the server software about changes of its public IPs

Most DynDNS providers use update URLs like:

https://dyndns.example.com/update?user=<username>&password=<password>&domain=<domain>&ip=<ipaddr> 

MyFRITZ! uses a proprietary protocol. The DynDNS protocol linked in the RFCs above is rarely used.

FRITZ!OS

In FRITZ!Box context Dynamic DNS is required for:

• Remote HTTPS access to the Webinterface
• Remote FTP / FTPS access
• VPN access
• Remote MyFRITZ!App / MyFRITZ!App 2 access
• Remote FRITZ!App Smart Home access
• Remote FRITZ!App Fon over VPN
• Remote IP-Phone (not recommended)
• Peer-to-peer VoIP
• User definable services (port-forwarding)

Since fw 5.27 FRITZ!OS uses ddnsd to perform Dynamic DNS updates.

The Webinterface manages Dynamic DNS in the ddns ui-module which is maintained by libcmapi.so.
Configuration is stored in the ddns section of ar7.cfg which is maintained by libar7cfg.so.

SMW-Browser

Property:DynDNS

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