configuring DDNS advice needed please

[BubbleTrouble]

On my TP link router, Synology 214 NAS box and my IP camera are options to enable ddns using the likes of no-ip, dyndns, etc.
So basically each of these devices give me this option.
Do I need to type in my ddns name+password on all of these devices? or is that overkill? does only one device need to have it typed in on? i.e. my router?

Are there any problems associated with typing in ddns name on all 3 devices?

thanks

 

[AdvHomeServer]

All these features do is periodically associate the name you recorded at a DDNS service with your current IP address.

For example, you decide to become JoeBlow98765.no-ip.com. You want to use JoeBlow98765.no-ip.com from a browser to call up a web site you support at home. No-ip.com links your current ip address with that name so you can call it up no differently than you can call up google.com.

Many routers and NAS boxes provide DDNS programming that regularly call up your DDNS service to let them know your current ip address. You only need to associate one of them.

Of course, your router will need to have port forwarding set up so whatever enters your router will know where to go on your system.

 

[stevech]

On my TP link router, Synology 214 NAS box and my IP camera are options to enable ddns using the likes of no-ip, dyndns, etc.
So basically each of these devices give me this option.
Do I need to type in my ddns name+password on all of these devices? or is that overkill? does only one device need to have it typed in on? i.e. my router?

Are there any problems associated with typing in ddns name on all 3 devices?

thanks

DDNS - you need only one DDNS client per router/public IP address.
Synology has a free DDNS service -you register on their website, choose a domain name xxxx.synology.me, and enable their DDNS client on the Synology NAS.

To see your cameras from the Internet, you must give each camera a static IP in your LAN, or have your router reserve a LAN address for each camera. Then too, you have to setup a port forward for each camera's LAN IP, in the router.

Synology tries to use uPnP to do all this but most of us disable uPnP as being a security risk, and often it doesn't work properly.

 

[BubbleTrouble]

Synology has a free DDNS service -you register on their website, choose a domain name xxxx.synology.me, and enable their DDNS client on the Synology NAS.



Synology tries to use uPnP to do all this but most of us disable uPnP as being a security risk, and often it doesn't work properly.

Is the synology ddns service reliable? or is it better to go with dyndns?

and how do you disable uPnP on Synology NAS?


I remember listening to a steve gibson podcast a while ago and he mentioned that uPnP exposes devices to the internet which can then be taken advantage of.

 

[stevech]

I had dyndns for years. But now it's $25/yr or some such. So I changed to synology's DDNS.

It's been on line for a year or so and there's been one half-day outage that I could note, said to be due to server maintenance.

uPnP disable - I think you have to disable it on the NAS, router and most or all PCs.
I don't recall the specifics. I was most concerned about disabling it on the router.

uPnP can on command of something on your LAN, create a port forwarding rule. But from the Internet side, not.