When 'updating the services' to point to the new certificate … the dropdown did only display the old 'synology.com' certificate. Weird huh ? And finally, I hit the down-arrow key (almost by mistake) : the dropdown menu opened and expanded fully : I saw the certificates. In the menu, there is a small arrow on the far right to tell you

On Synology NAS, you'll need to download and save the Private key on your PC right after the CSR code generation. Then you can freely use our auto-activate option for any certificate except for the Multi-Domain type. Otherwise, follow the steps below to generate the CSR on your Synology NAS instance. Synology Certificate Error?! When I use my quick connect to connect to my NAS remotely it tells me my https certificate ( which shows up as my Synology certificate) is out of date and not valid making my connection not secure. Client certificate: Select the .crt file you got from your provider; Client key: Select the .key you got from your provider; In the next window, click the checkboxes next to: "Use default gateway or remote network." "Allow other network devices to connect through this Synology server's internet connection." 3. Configure the DiskStation to use the server certificate. I'm using DSM 5. There's a nice new Security setting in the system settings. You can define and upload a certificate there: The Private Key and Certificate fields are straight forward. However, the intermediate certificate is the tricky part I forgot. Step 4: Import certificate. In the next window, check this box, then click Next. Step 5: Insert saved files. Click Browse to locate and the related Private key (.key), Certificate (.crt) and Intermediate certificate (.ca-bundle) files in your computer. Then click OK. Good job! Now your SSL Certificate is installed, you can see it in the list

Login to your Synology NAS and open the control panel. Click Security and then the "Certificates" tab at the top. You'll notice the subtle "Self-signed certificate" status blazoned in red lettering. Don't worry, thats what we're going to fix. Click the create certificate button to open a certificate wizard.

Using Synology WebDAV Windows 10 over HTTPS. As you use WebDAV in Windows 10 over HTTPS, you must have a valid SSL certificate that is exported to Synology NAS. Next, this certificate must also be imported to your client device. Log in to DSM with account from administrators group. Launch the WebDAV Server package and choose Enable HTTPS option. certificates are a major pita. As long as you don't get a certificate mismatch which should result in the page not loading at all, the encryption is working. The problem is that the browser can't verify that the site is really who it's claiming to be because the certificate says synology.com but the site's address is different from that. Having connected to my Synology NAS I opened the 'Control Panel' applet and browsed to the 'Security' menu. There is a default certificate which the device will create itself, we can see that it is a self-signed certificate by clicking the down arrow. Hi, this is all good advice. I did this and then tried to the Synology to use configure a Let's Encrypt certificate. Let's Encrypt's validation server tries to connect to port 80 and it's failing. I have port 8- NAT forwarded to the Synology and my firewall rules allow port 80 on the WAN and LAN for the Synology. It's not logging any

Create the SSL Certificate for Synology Diskstation with Let's Encrypt. Now we've got the prerequisites to create the SSL certificate. We'll use the built-in certificate tool and the Let's Encrypt option. (Let's Encrypt provides a free, 3-month SSL certificate). 1) Log into your NAS, and navigate to Control Panel > Security > Certificate.

Login to your Synology NAS and open the control panel. Click Security and then the "Certificates" tab at the top. You'll notice the subtle "Self-signed certificate" status blazoned in red lettering. Don't worry, thats what we're going to fix. Click the create certificate button to open a certificate wizard. Creating the self-signed certificate from the Synology control panel has a key step that you must complete or the certificate will be invalid. The Subject Alternative Name (SAN) in the second step must contain BOTH the name of the Disktation on your network ("myDSname") and its local fixed IP (192.168.1.10) This video will show you how to configure HTTPS on your Synology NAS using Let's Encrypt, a free-to-use certificate service that comes integrated into Synology DiskStation Manager.