Velocity Technical Archive
Port address translation and PPTP pass through
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If you are configure a Cisco Pix or ASA device and you have a server on the inside interface and clients on the outside who are using PPTP to VPN into the network you must make sure you do the following things.\nAllow GRE traffic in the security policy\nAllow PPTP traffic in the security policy\nstatic entry for pptp on 1723 to your server\nrun this command in configure mode "fixup protocol pptp 1723"