Another possibility (also kind of klugey, and I haven't personally tried it with ipv4 to ipv6) is to listen on one IP and then NAT from the other IP to the one you're listening on. I use this to listen on multiple (well, actually all) ports, though I still have to use different processes to handle tcp and udp connections.
-Joe On Wed, Jun 10, 2015 at 3:23 PM Gert Doering <g...@greenie.muc.de> wrote: > Hi, > > On Wed, Jun 10, 2015 at 04:43:03PM +0200, Kor Korrd wrote: > > I have a Server with multiple IPv4 and IPv6 addresses. Only on one > > specific address (IPv4 and IPv6) should the VPN UDP Server listen on. > > This is not possible today. > > > So the question is, how is it possible that OpenVPN listens on a certain > > IPv4 and IPv6 address at the same time? > > You can't. As with "listen on multiple ports at the same time" (which, > effectively, is the same problem: open multiple sockets and listen to > all of them) it is missing functionality that people want, but nobody > was able to implement yet (time, interest, knowledge, ...). > > For "multiple UDP sockets" it's supposedly not *that* hard, but the > "UDP and TCP at the same time" case is really complicated as the insides > of OpenVPN are currently handling this very differently. > > Sorry. > > (One possible workaround would be to just listen on all addresses [with > --multihome!] and use firewall rules to reject packets to addresses you > do not want to see exposed, or run multiple OpenVPN processes - none of > this is perfect) > > gert > -- > USENET is *not* the non-clickable part of WWW! > // > www.muc.de/~gert/ > Gert Doering - Munich, Germany > g...@greenie.muc.de > fax: +49-89-35655025 > g...@net.informatik.tu-muenchen.de > > ------------------------------------------------------------------------------ > _______________________________________________ > Openvpn-users mailing list > Openvpn-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/openvpn-users >
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