[pptp-server] Does MPPE enc require MS-CHAP

Geoff Nordli geoff at gnaa.net
Tue Dec 21 23:32:03 CST 1999


Looking at it from a client's perspective.  You can't use Data Encryption,
unless you specify
chapms-v2.  Therefore you can't use MPPE, unless you use chapms-v2.

Of course, I may be wrong.

geoff nordli

 Hi,
  Does anyone know if MPPE key generation requires that a PPTP server should
have done a MS-CHAP v1/v2
  authentication prior to that. Or, is plain CHAP enough. When I looked up
the MPPE key derivation RFC, it
  looks like 128 bit key generation requires MS-CHAP (and not PAP), but
don't know if it works with plain CHAP.

  Thanks,
  -Sathya
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