I'm using an ASUS router with RMerlin's firmware version 380.68_4 w/OpenVPN version 2.4.3 and noticed an odd issue.
OpenVPN in client mode is selecting the WAN interface for sourcing the packets. Ordinarily this is exactly what is expected and desired; however, my ISP (TelMex, Mexico) is providing FC00:: addresses for the WAN (PPPoE) port and using PPP-PD to supply the global addresses (2806:10b7x::) which are applied to the LAN side of the router.
When the OpenVPN server receives the initiating packet from an FC00:: address, it is unable to reply (as is proper).
The IPv4 & IPv6 address change each time the power *blinks*.
Is there a way to tell OpenVPN to bind to an interface (br0 - bridge 0) - rather than an IPv4/IPv6 address?
I have tried nobind, bind, and local. Closest was nobind with local, but the log said this made nosense. This may need to go in as an enhancement request.
Scripts to manage certificates or generate config files
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