[ubuntu] PPTP VPN server firewall issue

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http://ubuntuforums.org – Hello. I have 2 Ubuntu servers, one is acting as a firewall/proxy/pptp server, with 3 network interfaces. One WAN and 2 LAN interfaces. The other server acts primarily as a SAMBA server. I have the PPTP server configured on the firewall, and I can connect and browse the internet without issue. However, I am unable to access any resources on the SAMBA server. I have iptables rules configured on the server to allow only one of the local subnets to access the fileserver, and the PPTP server assigns IPs from within that subnet. However, when I attempt to access the samba server, i a (Hardware)