[Unit] Description=OpenVPN tunnel for %I After=syslog.target network-online.target Wants=network-online.target Documentation=man:openvpn(8) Documentation=https://community.openvpn.net/openvpn/wiki/Openvpn24ManPage Documentation=https://community.openvpn.net/openvpn/wiki/HOWTO Requires=iptables.service [Service] Type=notify RuntimeDirectory=openvpn-client RuntimeDirectoryMode=0710 WorkingDirectory=/etc/openvpn/client ExecStart=/usr/bin/nsenter --mount=/root/mount_namespaces/%i /usr/sbin/openvpn --suppress-timestamps --nobind --config /etc/openvpn/client/%i.conf # until we get the next systemd version (233), which can do bind mounts # inside a mnt namespace via systemd, we have to setup our own, which requires # full priveledges. #CapabilityBoundingSet=CAP_IPC_LOCK CAP_NET_ADMIN CAP_NET_RAW CAP_SETGID CAP_SETUID CAP_SYS_CHROOT CAP_DAC_OVERRIDE LimitNPROC=10 # DeviceAllow=/dev/null rw # DeviceAllow=/dev/net/tun rw # ian: added just these lines from upstream ExecStartPre=+/a/bin/newns/newns -n 10.173.0 start %i ExecStartPre=+/sbin/iptables-restore /a/bin/distro-setup/transmission-firewall/netns.rules ExecStopPost=+/a/bin/newns/newns stop %i PrivateNetwork=true [Install] WantedBy=multi-user.target