On Sat, Dec 2, 2017 at 2:38 AM, Choon Hoe Chua <choonhoe at gmail.com> wrote: > Here is the output from syslog > > Thanks & best regards > > - chua > > Dec 1 03:16:28 ubuntu ocserv[3528]: main[chchua]: > [::ffff:113.210.110.153]:16524 main.c:877: connect UDP socket from > [::ffff:113.210.110.153]:56182: Network is unreachable > Dec 1 03:16:30 ubuntu ocserv[3528]: main[chchua]: > [::ffff:113.210.110.153]:16524 main.c:868: bind UDP to [::]:443: Invalid > argument The systemd unit/socket file doesn't need to bind to UDP port. Have you tried removing the UDP part from it and keep systemd binding to the TCP port only? regards, Nikos
