Using the Microsoft VPN client through Cisco ASA/PIX
KB ID 0000009 Problem You cannot open a Microsoft client VPN tunnel with a cisco PIX or ASA in front of you on the network. Solution You need the following open (outbound) TCP port 1723 (thats pptp) Protocol 47 (GRE) – note thats a PROTOCOL and NOT a PORT Allow PPTP Client through the ASA via Command Line 1. Connect to the ASA then add PPTP inspection to the default inspection map. PetesASA> PetesASA> en Password: ********...