Routing to internal network doesn't work

Question

Hi, 
 
 i set up a PPTP VPN by following this guide: https://community.sophos.com/kb/en-us/116036 
 The VPN connection works. However, i can't reach the local network, neither via RDP, ping or whatever. 
 A traceroute from an internal server to the vpn client stops at the gateway. Same happens from the client. 
 The firewall log shows that the rule is executed (green, when trying from both sites) but it doesn't seem to get through. 
 I also deactivated the local firewall but the issue is still the same. 
 
 Any ideas?

Argo · Answer

and for one of the application we use internally (very old RDP outbound route) I had to create a DNAT rule. 
 
 for traffic From RDP Server 
 Using Service Microsoft Remote Desktop (RDP) 
 Going to Ext/Int Interface (IP not network) 
 Change Destination to Int/Ext Interface (IP not network, again) 
 
 took me w while to work this one out with help from Sophos Support (on the phone for over 2 hours - very helpful - can't thank them enough) 
 
 Hope this helps Peter