Hello @QuietAdmin, Please refer to the detailed release notes in this post. And it is no support DNS over TLS or HTTPS options related characters here.

Hello @MugiwaraWorker, How many devices are managed by your controller in total? Are these ER605s managed by the same controller? Have you tried upgrading controller firmware to the latest V5.9?

Hello @Wynal, May I know the WAN IP address of ER605? Is it a public IP? Have you tested these VPNs on different VPN Clients? Have you tried turning off the firewall and anti-virus software on the...

Hello @SausageJuggler， May I know what exactly the online services are? Could you check if the VPN tunnel establishes successfully? Is the VPN working properly except for the online services...

Hello @BennyCS， Did you use ER605 in Standalone mode? Could you please share a screenshot of Time Settings in the System Tools Section? If you refresh the page of ER605 web interface, can it fix?...

Hello @RF_Dude, May I know the firmware version of your controller? We have tested it in the local lab but have no similar issues. Are you sure this issue starts to happen from the beginning of you...