Hi, On 10/06/15 16:43, Kor Korrd wrote: > Hi, > > 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. > > My Server: > * Debian Jessie > * OpenVPN 2.3.4 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] > [PKCS11] [MH] [IPv6] built on Dec 1 2014 > > I have figured out, that by specifying "proto udp6" and no "local" > argument OpenVPN becomes a DualStack Server but it listen on all > addresses the Server has. So that is not what I wanted. > > By setting the "local" option, once or twice, I get always a fatal error > like the ones below. I can only set an IPv6 address after the "local" > statement but then OpenVPN only listen on that IPv6 and not on IPv4. > (Well this is somewhat expected.) > I have also tried the multihome option, but with no further luck. (I > have Linux debian Kernel 3.16) > > *** > RESOLVE: Cannot resolve host address: **some-host-dns-name**: Name or > service not known > Exiting due to fatal error > *** > *** > RESOLVE: Cannot resolve host address: **hosts-IPv4-address**: Address > family for hostname not supported > Exiting due to fatal error > *** > > So the question is, how is it possible that OpenVPN listens on a certain > AFAIK this is currently not possible - openvpn can either bind to ALL addresses (IPv4 and IPv6) or it can bind to a single address - either IPv4 or IPv6. This is due to the fact that openvpn only performs a single socket bind ; to bind to two separate adresses you'd need to socket binds and that changes the way openvpn is designed right now.
Somebody please correct me if I'm wrong :) JJK ------------------------------------------------------------------------------ _______________________________________________ Openvpn-users mailing list Openvpn-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/openvpn-users
