Re: [gpsd-dev] Draft Stratum 1 Microserver HOWTO is up

[Hal Murray]

address@hidden said:
> Is there a consensus on DDNS? There are a few services which offer 'free
> dynamic DNS service':
...
> Would it make sense to bake DDNS registration into the recipe and move away
> from IP numbers?

What problem are you trying to solve?

The reason for using dynamic DNS that I'm familiar with is for running a 
server at home when your ISP uses DHCP and occasionally changes your IP 
Address.

That would work if you are running ntpdate from cron where it does a DNS 
lookup each time.  It wouldn't work if you used "server foo.xxx.xxx" since 
ntpd only does one DNS lookup when it starts up and then stays locked to that 
IP Address.

The pool command does drop IP Addresses if they don't respond and then does 
another DNS lookup to get new addresses.  That mechanism could be added to 
the server command if it uses DNS.

The pool infrastructure requires an IP Address.



address@hidden said:
> Following that train of thought - all the way to the crash site - how about
> certificates? 
> Baking in certs from the 'reference' free CA may also be a Good Idea, no?

Again, what problem are you trying to solve?

The certificates packages that I'm familiar with all assume you know the time 
so they can check expiration dates.  That makes it hard to use certificates 
when NTP is getting off the ground.

DNSSEC also assumes it knows the time.


-- 
These are my opinions.  I hate spam.