I try to do something like this:
https://forums.openvpn.net/topic9701.html
but in this case, openvpn server haven't a private IP.
I have tried differents changes, but tcpdump never show a try to connect to server with firewall (no SYN).
port 11194
proto udp
dev tun
#---- Seccion de llaves -----
ca keys/ca.crt
cert keys/servidor.crt
key keys/servidor.key
dh keys/dh1024.pem
#----------------------------
server 192.168.37.0 255.255.255.0
ifconfig-pool-persist ipp.txt
keepalive 10 120
comp-lzo
persist-key
persist-tun
push "redirect gateway def1"
push "route ip.external.server 255.255.255.255"
push "route 192.168.37.0 255.255.255.0"
#push "route ip.openvpn.server 255.255.255.248"
status openvpn-status-servidorvpn-udp-1194.log