[pptp-server] RE: PAM is a very bad fit for pppd

Vladimir Strezhnev vlast at indivisuallearning.com
Fri Nov 30 11:13:11 CST 2001


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Steve,

Could you (or anybody on the list) explain more specifically why it is so.
We're using ppp pam module on Linux dialup server, which (the module) is  
configured to authenticate - via pam_winbind.so - on W2K Domain Controller.
All accounts on W2K DC that are not in the embargo file checked by 
pam_listfile.so module are able to use dialup.

(It is nothing to do with pptp - just plain dialup ppp with pap 
authentication)

Do you think it is insecure and why?

> pppd actually doesn't use PAM at all for this, by default; PAM is a very
> bad fit for pppd, so the upstream source includes its own module API
> that provides hooks for other /PAP/ authenticators.  

> Cheers,
> Steve Langasek
> postmodern programmer

- -- 
VLADIMIR STREZHNEV
System Engineer
IndiVisual Learning, LLC
St. Paul, MN 
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