OpenVPN Security Advisory: Dec 14, 2018
Action needed: Important update for OpenVPN Access Server

“MULTI: bad source address from client , packet dropped” or “GET INST BY VIRT: [failed]”?


These errors occur because OpenVPN doesn't have an internal route for Consequently, it doesn't know how to route the packet to this machine, so it drops the packet.

Use client-config-dir and create a ccd file for your client containing the iroute option to tell OpenVPN that the network is available behind this client.

"MULTI: bad source address from client [], packet dropped" or "GET INST BY VIRT: [failed]"?