Re: [Ddclient-support] Cannot update local address.

[wimpunk <wi...@us...>]

On 12/20/2017 04:19 PM, Alec Leamas wrote:
> Dear list,
> 
> I'm trying to update to a non-routable address using "use=if, if=eth0"
> against freedns.afraid.org. The relevant part of the logs are below. 
> The problem is that despite that eth0 reports 10.136.128.148, ddclient
> seemingly uses the external address  XX.20.62.212, the same as would be
> used if configured with "use=web".
> 
> ddclient version 3.8.2 on debian jessie.
> 
> Any clues out there?
> 
> --alec
> 
> ---------------- ddclient.conf --------------------------------
> 
> use=if, if=eth0
> 
> protocol=freedns
> server=freedns.afraid.org
> login=foo
> password=bar
> somehost.crabdance.com
> 
> ---- logs from directly invoking ddclient (no service scripts involved ----
> 
> 
> DEBUG:    get_ip: using if, eth0 reports 10.136.128.148
> 
> DEBUG:    server = freedns.afraid.org
> CONNECT:  freedns.afraid.org
> 
> CONNECTED:  using HTTP
> SENDING:  GET
> /api/?action=getdyndns&sha=e572c133ae2e34d39fe8e70cbd9b8422b36eb5ef HTTP/1.0
> SENDING:   Host: freedns.afraid.org
> SENDING:   User-Agent: ddclient/3.8.2
> SENDING:   Connection: close
> SENDING:  
> RECEIVE:  HTTP/1.1 200 OK
> 
> RECEIVE: 
> 
> RECEIVE: 
> somehost.crabdance.com|XX.20.62.212|http://freedns.afraid.org/dynamic/update.php?dlRnbzBBbUhkOEVmaUxBQUJoZDc6MTcyMzM2OTI=
> INFO:     setting IP address to 10.136.128.148 for XXXXXX/.crabdance.com
> UPDATE:   updating somehost.crabdance.com
> DEBUG:    proxy  =
> DEBUG:    url    =
> http://freedns.afraid.org/dynamic/update.php?dlRnbzBBbUhkOEVmaUxBQUJoZDc6MTcyMzM2OTI=
> DEBUG:    server = freedns.afraid.org
> CONNECT:  freedns.afraid.org
> CONNECTED:  using HTTP
> SENDING:  GET
> /dynamic/update.php?dlRnbzBBbUhkOEVmaUxBQUJoZDc6MTcyMzM2OTI= HTTP/1.0
> SENDING:   Host: freedns.afraid.org
> SENDING:   User-Agent: ddclient/3.8.2
> SENDING:   Connection: close
> SENDING:  
> RECEIVE:  HTTP/1.1 200 OK
> RECEIVE:  Server: nginx
> RECEIVE:  Date: Wed, 20 Dec 2017 13:35:07 GMT
> RECEIVE:  Content-Type: text/plain; charset=utf-8
> RECEIVE:  Connection: close
> RECEIVE:  Vary: Accept-Encoding
> RECEIVE:  Cache-Control: no-store, no-cache, must-revalidate
> RECEIVE:  Cache-Control: post-check=0, pre-check=0
> RECEIVE:  Pragma: no-cache
> RECEIVE:  Expires: Mon, 26 Jul 1997 05:00:00 GMT
> RECEIVE:  X-Cache: MISS
> RECEIVE: 
> RECEIVE:  ERROR: Address XX.20.62.212 has not changed.
> WARNING:  REPLIED: HTTP/1.1 200 OK
> WARNING:   Server: nginx
> WARNING:   Date: Wed, 20 Dec 2017 13:35:07 GMT
> WARNING:   Content-Type: text/plain; charset=utf-8
> WARNING:   Connection: close
> WARNING:   Vary: Accept-Encoding
> WARNING:   Cache-Control: no-store, no-cache, must-revalidate
> WARNING:   Cache-Control: post-check=0, pre-check=0
> WARNING:   Pragma: no-cache
> WARNING:   Expires: Mon, 26 Jul 1997 05:00:00 GMT
> WARNING:   X-Cache: MISS
> WARNING:  
> WARNING:   ERROR: Address XX.20.62.212 has not changed.
> FAILED:   updating somehost.crabdance.com: Invalid reply.
> 
> 

I think freedns doesn't use the IP ddclient provides.  It uses the IP
the request is coming from.  That's what I think is happening.