dam@dam-desktop:~$ sudo ./mobile 
Password:
Serial Port service registered
dund[6107]: Bluetooth DUN daemon version 3.9
dund[6113]: New connection from 00:0E:6D:69:1B:16
Using interface ppp0
Connect: ppp0 <--> /dev/rfcomm0
found interface eth0 for proxy arp
local  IP address 192.168.0.2
remote IP address 192.168.0.88
LCP terminated by peer
Connect time 1.9 minutes.
Sent 0 bytes, received 1428 bytes.
Connection terminated.
Modem hangup




the script 'mobile' contents
sudo sdptool add --channel=0 SP
sudo dund -n --listen --channel 0 --msdun noauth 192.168.0.2:192.168.0.88 crtscts 115200 ms-dns 192.168.0.1 lock
sudo rfcomm bind 0 00:0E:6D:69:1B:16 2
sudo echo x > /dev/rfcomm0
sudo iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -j MASQUERADE
echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward