PPTP on Cisco ASA or PIX 6.3 or later code
Posted by Al Banks in Cisco firewall
In PIX 6.3 and later, support for PPTP through the PIX has been added.
Before version 6.3, a PIX needed to be configured to allow the GRE tunnel back from a PPTP server.
As of version 6.3, the firewall merely needs:
fixup protocol pptp 1723
Prior to 6.3, the following was needed:
static (inside,outside) outside_ip inside_ip netmask 255.255.255.255
access-list pptp-acl permit gre host remote_pptp_server_ip host outside_ip
access-group pptp-acl in interface outside
The Cisco document: http://www.cisco.com/warp/public/110/pix_pptp.html
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