1. port 6194
    2. proto tcp
    3. dev tun
    4. ca /home/openvpn/conf/server/ca.crt
    5. cert /home/openvpn/conf/server/server.crt
    6. dh /home/openvpn/conf/server/dh2048.pem
    7. key /home/openvpn/conf/server/server.key
    8. server 10.8.37.0 255.255.255.0
    9. ifconfig-pool-persist /home/openvpn/conf/server/ipp.txt
    10. client-to-client
    11. keepalive 10 120
    12. comp-lzo
    13. persist-key
    14. persist-tun
    15. status /home/openvpn/logs/server/openvpn-status.log
    16. log-append  /home/openvpn/logs/server/openvpn.log
    17. verb 5
    18. script-security 3
    19. auth-user-pass-verify /home/openvpn/checkpsw.sh via-env
    20. client-cert-not-required
    21. username-as-common-name
    22. push "route 172.19.90.0 255.255.255.0"