Hi, On Wed, Mar 16, 2022 at 08:09:27PM +0000, dashdruid via Openvpn-users wrote: > This is an example output for OpenVPN with verb 3 logging: > > 18:58:39+01:00 server : client1/7.7.7.7:5111 MULTI: Learn: 46:73:8a:e7:e6:b4 > -> client1/7.7.7.7:5111 > 18:58:39+01:00 server : client1/7.7.7.7:5111 MULTI: Learn: 21:ba:ed:15:65:7e > -> client1/7.7.7.7:5111 > 18:58:39+01:00 server : client1/7.7.7.7:5111 MULTI: Learn: 70:b5:f7:31:e3:39 > -> client1/7.7.7.7:5111 > 18:58:40+01:00 server : client1/7.7.7.7:5111 MULTI: Learn: f1:db:27:92:e0:97 > -> client1/7.7.7.7:5111 > > Is there any way to make the server log the remote IP addresses for the MACs > it has learned from the client?
In TAP mode, OpenVPN is not interested in IP addresses. It just cares
about MAC addresses.
Run arpwatch on the "host" side (listening on the tap interface) to get
the IP/MAC mapping.
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany g...@greenie.muc.de
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