Home NAS

[Bo Berglund]

On Wed, 22 Jun 2022 09:24:05 +0100, Peter Flynn <peter at silmaril.ie> wrote:

>I'm looking for a NAS or similar solution at home, mainly to hold my 
>private SVN repos in such a way that I can also get at them when I'm 
>away (my ISP won't hear of running SVN unless I cough up €€€ for a 
>private server). My connection is stable but it isn't a fixed IP 
>address, so some kind of answerback trigger would be needed from outside.
>
Others have suggested Synology NAS and I concur with that.
There was mention of a way to access the NAS from the Internet via Synology,
that would be helpful in the following case but I am not aware of its usage:

The ISP gives you a NAT-ed IP for the router.
This is very common nowadays and means there is no connection path originating
outside of the home LAN!

I have used a few different ISP:s over the years and they work differently. Some
gives your router a "public" IP address (which might change now and then) and
with that you can set up a dynamic DNS for a domain of your own and get access
to the system. Several providers exist like DynDNS and others.

But with other ISP:s where they hand out NAT-ed addresses this does NOT work.

Cases in point:
1) Last year in June my fiber provider changed from giving out public IP
addresses to NAT and my access home via VPN broke down. I had to talk to their
support to get them to set me up for a public IP instead and then it worked
again.

2) This year I got fiber to my summer home and this was also NAT-ed and when I
talked to support they told me that I could get a public IP but this time they
charged for it (6 EUR / month).

So please check your external IP if it is public (reachable from the outside)!


-- 
Bo Berglund
Developer in Sweden