radius+ldap+peap

Alan DeKok aland at deployingradius.com
Fri May 18 15:59:28 CEST 2007


Arran Cudbard-Bell wrote:
>>>   use clear-text passwords in LDAP.  If you can't put clear-text
>>> passwords in LDAP, stop trying to use PEAP.
> 
> NO ! Calculate the damn NT Hashes... Never put users clear-text 
> passwords in LDAP if you can avoid it.

  Step 1: Get it to work.
  Step 2: Get it to work better.

  Getting past step one involves configuring everything to remove as
many variables as possible.

> The weak point is the nt4 hash as it has no salt... and there are known 
> issues with md4, but it's still better than leaving everything in cleartext.

  For anyone who cares, 99.9% of NT hash'd passwords can be turned back
into clear-text passwords with 5G of disk space, and a few minutes of work.

  The security added by NT hashed passwords is minimal.

  Alan DeKok.
--
  http://deployingradius.com       - The web site of the book
  http://deployingradius.com/blog/ - The blog



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