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Dynamic WAN on 5505, update public DNS

garydewrell
Level 1
Level 1

I have a remote user that has a Cisco ASA5505 for use with a site2site VPN back to my office. 
He has a dynamic IP from his ISP. 

Is their a way to have his ASA update a public DNS server that I run with its IP address periodically?

 

Thanks

 

Gary

1 Reply 1

You can't do that on the ASA itself. Although there is a DynDNS-functionality, it's "only" the IETF-implementation, and not the HTTP-system which would be needed for your setup.

You have to place a system (PC/Server/NAS/RasPi ...) inside the network that updates the DynDNS-server.

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