Monitoring a dynamic DNS host

[Jeff Weisberg]

On 9 Dec, 2008, at 12:20, Scott Hiemstra wrote:

> I have a remote office I am trying to monitor but the office does  
> not have a
> static IP address, it is simply a Verizon business basic DSL line.   
> I have
> dynamic DNS setup on the router and it works flawlessly.  My problem  
> appears
> to be that argus keeps some type of an internal DNS cache.  If I do a
> dig/nslookup from the server running argus it gets the correct IP  
> address
> everytime but argus doesn't seem to get updated.  If I hup argus, it  
> picks
> up the change and all of a sudden my remote host is up.  I waited  
> about an
> hour after dyndns had the correct IP just to make sure I wasn't being
> impatient.


enable argus's internal resolver:
   http://argus.tcp4me.com/advanced.html

otherwise, argus only looks up the IP when it starts.
with resolv enabled, argus will continually look it up
based on the dns server's ttl.