Activating Bitwarden live sync on Synology

In my last post I showed how to install bitwarden_rs, an unofficial fork of bitwarden server, on a Synology Diskstation using docker. Now that everything works, I’ll show you how to activate live sync functionality on Synology. It’s not really easy, but doable. We need to add location based reverse proxy in Synology Nginx.

Basically we need to do 3 things:

  • enabling WebSockets in Docker
  • add new location in the reverse proxy
    Problem is, that we can’t do this in DSM GUI
  • open the WebSockets port in your router
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Connection refused after installing DSM 6.0 Beta

After installing the newly released DSM 6.0 beta for Synology NAS, I was unable to reach the DSM again. My Chrome browser showed “Connection refused”. Not really a good start for beta testing new software. connection-refused

Luckily SSH is still up. Since DSM running on nginx, it’s straightforward to look for some error log in the nginx error log.

shows following log records

in the file /usr/syno/etc/ssl/ssl.chain.crt/server.crt I found a weird certificate formatting

There’s a missing newline between the chained certificate. Put a new line between the certificate and restart nginx.

and restart nginx

Tadaaaa… DSM is available again.