VPN?

Hi,
I want to pass pptp traffic through my firewall. For that I added, iptables -A FORWARD -s 192.168.0.0/255.255.0.0 --protocol 47 -j
ACCEPT
in my firewall list plus,
iptables -A FORWARD -s 192.168.0.0/255.255.0.0 -p udp -m udp --dport 1723 -j ACCEPT iptables -A FORWARD -s 192.168.0.0/255.255.0.0 -p tcp -m tcp --dport 1723 -j ACCEPT But my clients cannot connect to it. It gives connection timed out. What must be the error?
My old firewall (before I made changes given above is at),
http://payal.staticky.com/tables.txt

With warm regards,
-Payal