PPTP server internet problem

Hi,

My router os version : RouterOS 6.33.5

I created VPN server. (PPTP)

VPN connection success. But, no internet connection.

Please help me.

/ip firewall filter
add chain=input dst-port=8291 protocol=tcp
add chain=input port=1723 protocol=tcp
add chain=input protocol=gre
add chain=input protocol=icmp
add chain=forward
add chain=input
add chain=output
/ip firewall nat
add action=masquerade chain=srcnat log=yes log-prefix=MASGU
/ip firewall service-port
set ftp disabled=yes
set tftp disabled=yes
set irc disabled=yes
set h323 disabled=yes
set sip disabled=yes