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Page 32: PPTPv2 cons (cont)

Page 32

  PPTPv2 cons (cont)
  PPP patches do not require MPPE encryption by default
  use 'require-mppe' and 'require mppe-stateless' in pppd configuration files
  Uses GRE (Generic Routing Encapsulation - protocol 47) packets
  Doesn't play well with firewalls
  "At this point we still do not recommend Microsoft PPTP for applications where security is a factor" -- Bruce Schneier (Counterpane) and Mudge (L0pht Heavy Industries / @Stake)

Copyright 2003, Bri Hatch of Onsight, Inc.

Presented at Real World Linux, 2003.

Presentation created using vim and MagicPoint.