client dev tap0 proto udp remote oog.vanmansom.org 53 resolv-retry infinite persist-key persist-tun ca /etc/openvpn/ca.crt cert /etc/openvpn/bul1.crt key /etc/openvpn/bul1.key verb 3 log /var/log/openvpn.log up /etc/openvpn/up.sh script-security 2 keepalive 2 24