@pepicheck So this is still an issue and using legacy settings in OpenVPN is not the answer. I upgrade my ER605 Hardware Version 2.0 to 2.3.0 Build 20250428 Rel 18967 (the latest my router supports,...

Tunnelblik is complaining about 'comp-lzo' being deprecated and the VPN server should be upgraded. The current version of OpenVPNis 2.5.7. Here is TunnelBlik Error/Warning: This VPN works now, but...