@NeoCZ interesting questions. did a test and it doesn't work

@lukg20 We don't know if it's ACL, but it's a good idea to disable ACL when troubleshooting a problem. It's mainly WAN/IN rules you need to be aware of. If that doesn't work then maybe @Clive_A can...

@lukg20 There is no problem with disabling the ACL rules, the router blocks everything by default. The only exception is if you have disabled NAT, so if you have not disabled NAT then disable all ACL...

@lukg20 If you use OpenVPN connect on PC and Android it should work fine. Disable all ACL rules when testing. I have spent several hours troubleshooting and it turns out that it is an ACL that is...

@lukg20 Well that sounds strange, if it works on the controller it usually works in stand alone too. How is OpenVPN configured then? You have to make sure that the OpenVPN ip pool does not overlap...

@lukg20 I have tested OpenVPN on two ER605 with the same software, no problems at all, I use Omada controller 5.15.24.15