The information on this page is outdated and may not be accurate anymore.

Point-To-Point Tunnelling Protocol. A common urban myth is that PPTP is insecure, due to weaknesses in its initial implementation and to the fact that it relies on the user password.

Most of the issues have been fixed in MS-CHAPv2 and MPPE, but IPSec vendors gloss over that as they try to sell you their latest (and often non-standard) solutions.


Known Weaknesses:

Attack Tools/Reported Incidents:

Related Standards: