On Tue, 2006-12-19 at 22:26 -0700, Dazed_75 wrote:
>
>
> On 12/19/06, JT Moree <moreejt@pcxperience.com> wrote:
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>
> Dazed_75 wrote:
> > Please do not tell me about routers which support DDNS which
> is
> > something else entirely. At least my understanding is that
> DDNS is
> > solely for making my LAN resident servers available on the
> internet
> > despite have only dynamic IP[s] issued by my ISP.
>
> You are half right. Dynamic DNS is used for updating a DNS
> server to
> have the correct IP for a specific host. This can be done by
> sites like
> dyndns.org etc. You don't need a router that supports that.
>
> Exactly why I said not to mention it. Perhaps I said it poorly.
> Basicly I don't really care about a router that supports DDNS (in
> fact, mine does).
>
>
> But you DO need DDNS on a local level. It's the same
> thing. client
> machine tells dns server 'this is my new ip'.
>
> Unfortunately that assumes a running DNS server on the LAN unless the
> router were to have the functionality I described. People have told
> me it exists but I have not found one. I have to admit I do not know
> if the WRT54 type software for the Linksys xxxxGL modem would have it.
> Their docs confused me.
>
>
> Unfortunately I can't give you particular software suggestions
> but I had
> my guys do it with thin clients over 5 years ago. I think we
> had the
> thin clients run a script after getting an IP that talked to a
> daemon on
> the DNS server to update the records.
>
> Our solution was home grown but I've seen the same thing
> mentioned with
> the moniker DDNS on the net more recently. There may be some
> DDNS
> features in the major DNS servers in use like bind, djbdns,
> etc.
>
> Unfortunately they violate the criteria of no guarantee that any one
> of the computers is always turned on. And this seems crucial to me
> for all those home and small office users who really have no crying
> need for a server machine. This used to be rare, but is becoming more
> common every day.
>
> I have thought about putting one in at my house but mostly as another
> toy to play with. The best real use I might have would be to act as
> NAS for backups. Too many toy projects for this old man.
----
I vaguely recall that you are using a Red Hat/Fedora type of system and the easiest best information for that would probably be found here...
http://www.brennan.id.au/
I don't ever recommend djb stuff - using ISC's bind/dhcpd servers and
having dhcp clients register their names with dns is actually quite
simple.
Appliance devices that provide dhcp and dns are never going to work...
1 - they don't provide dns, they provide proxy services to isp's dns
2 - they don't offer anything beyond the most basic dhcp service...an ip
address, gateway/router address and dns information
3 - they have very short leases and ip address leases do not 'stick' and
ip addresses will frequently jump around.
Craig
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