cd /tmp
openvpn --mktun --dev tap0
brctl addif br0 tap0
ifconfig tap0 0.0.0.0 promisc up

echo "
# Tunnel options
mode server       # Set OpenVPN major mode
proto udp         # Setup the protocol (server)
port 1194         # TCP/UDP port number
dev tap0          # TUN/TAP virtual network device
keepalive 15 60   # Simplify the expression of --ping 
daemon            # Become a daemon after all initialization
verb 3            # Set output verbosity to n 
comp-lzo          # Use fast LZO compression 

# OpenVPN server mode options
client-to-client  # tells OpenVPN to internally route client-to-client traffic 
duplicate-cn      # Allow multiple clients with the same common name

# TLS Mode Options
tls-server        # Enable TLS and assume server role during TLS handshake 
ca ca.crt         # Certificate authority (CA) file
dh dh1024.pem     # File containing Diffie Hellman parameters 
cert server.crt   # Local peer's signed certificate
key server.key    # Local peer's private key 
" > openvpn.conf