Configure Synology's DDNS With A Wildcard Certificate To Allow For Sub-Domains

This video goes over setting up Synology's DDNS with a Let's Encrypt wildcard SSL certificate which allows the use of sub-domains.

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The video topics include:
• An overview of using wildcard certificates and sub-domains.
• Setting up DDNS and port forwarding.
• Setting up a wildcard certificate.
• Examples of configuring sub-domains through a reverse proxy

In the video I mentioned or referenced the following link:

Timecodes
0:00 | Introduction
0:27 | Overview – Wildcard Certificates And Sub-Domains
1:04 | Setup DDNS Domain And Configure Port Forwarding
1:52 | Setup Wildcard Let’s Encrypt SSL Certificate
2:55 | Sub-Domain To Access DSM
3:56 | Sub-Domain To Access RoundCubeMail Container
4:55 | Sub-Domain To Access Uptime Kuma With WebSocket
6:01 | Closing

#synology #letsencrypt #reverseproxy #ddns

[danieldorszu]

Thanks u show perfect how use subdomains. I use duckdns ddns and have 8 cert for everyone domain. I am so stupid ^^ gonna check this on my synology.

[rahjinkurzol]

When you create your Reverse proxy for your dsm, why do you need to make a reverse proxy for it?
why not just leave it as the default DDNS name? because your've already forwarded the HTTP - - > HTTPS under web services?

Is there a reason for this?

[twd]

Thanks for this great video, my Synology NAS shows link like this my quickconnect name us1 quickconnect when I enter my Nas from local network but I can not use ports with this!!!

[twd]

Thanks for this great video, my Synology NAS shows link like this my quickconnect name us quickconnect when I enter my Nas from local network but I can not use ports with this!!!

[blcjck]

Maybe I'm misremembering, it was quite a few years ago since I set it up, but I think I just added the *. to my original domain when creating it and subdomains works fine, no editing necessary. Curious.

[matay.J]

What I know only works with Synology DNS. or am I wrong?

[goodcitizen]

Very cool! Although is this a bigger security risk vs using a VPN to access the NAS.