Freeradius 2

Harry Hoffman hhoffman at ip-solutions.net
Wed Mar 9 20:48:24 CET 2011


Yum install freeradius2-ldap

 

Cheers,

Harry

 

From:
freeradius-users-bounces+hhoffman=ip-solutions.net at lists.freeradius.org
[mailto:freeradius-users-bounces+hhoffman=ip-solutions.net at lists.freeradius.
org] On Behalf Of Usuário do Sistema
Sent: Wednesday, March 09, 2011 2:39 PM
To: freeradius-users at lists.freeradius.org
Cc: freeradius-users-request at lists.freeradius.org
Subject: Re: Freeradius 2

 

Hello everyone, I've Installed by yum freeradius2-2.1.7-7.el5 but I'm can't
found the ldap dirctory under /etc/raddb/..

I have creta it or install more any package ??

 

 

thank!

 

 

 

 


 

2011/3/5 <freeradius-users-request at lists.freeradius.org>

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Today's Topics:

  1. Re: Caching techniques with ntlm_auth usage?
     (EAP-PEAP-MSchapV2) (Phil Mayers)
  2. Re: Freeraidus 2 (Gary Gatten)
  3. Re: Caching techniques with ntlm_auth usage?
     (EAP-PEAP-MSchapV2) (James J J Hooper)
  4. RE: mschap with ntlm_auth and Active Directory (McNutt, Justin M.)
  5. Re: MS-CHAP-V2 with no retry (Alan DeKok)
  6. Re: Hopefully quick question: conditional processing sneaking
     in        and     setting Auth-Type (Alan DeKok)
  7. Re: Freeraidus 2 (Alan Buxey)


----------------------------------------------------------------------

Message: 1
Date: Sat, 05 Mar 2011 00:45:43 +0000
From: Phil Mayers <p.mayers at imperial.ac.uk>
Subject: Re: Caching techniques with ntlm_auth usage?
       (EAP-PEAP-MSchapV2)
To: freeradius-users at lists.freeradius.org
Message-ID: <4D7187B7.5000402 at imperial.ac.uk>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 03/05/2011 12:21 AM, Gary Gatten wrote:
> I kinda like your caching idea, but not sure of any security
> implications.

It's not a workable idea. MSCHAP responses are specific to the 8-byte
random challenge, which is different every time. You can't cache them.

>
> I have (2) FR servers (each pointing to different DC) and my NAS's
> are configured to use both.  But, iirc if AD is down on the backend
> FR still replies (with something) so the NAS never rolls over to the
> other FR server.

Yes, this is a bad idea.

Just configure samba to autodiscover the AD controllers. Winbind will
cache connections and open new ones when the old ones go away.

>
> So, I thought about some script that would use ntlm_auth every...n
> seconds, if it fails kill FR process (or use FR policy to act dead).
> When it starts working again, restart FR.  This should make the NAS
> roll to the next FR server.

That might work, but it seems like a sledgehammer to crack a nut.

>
> What about OpenLDAP on the FR server that's "refreshed" / sync'd to
> the winblows/AD?  I've never tried this but assume it's doable.

It's not possible. AD controllers will only sync to other AD controllers.

At some point in the future, Samba 4 might be able to slave the LDAP
database of an AD controller, but it's purely theoretical at the moment
I think.


------------------------------

Message: 2
Date: Fri, 4 Mar 2011 18:54:44 -0600
From: Gary Gatten <Ggatten at waddell.com>
Subject: Re: Freeraidus 2
To: "'freeradius-users at lists.freeradius.org'"
       <freeradius-users at lists.freeradius.org>
Message-ID:
 
<27487_1299286485_4D7189D5_27487_3768_1_D9B37353831173459FDAA836D3B43499BD35
4A55 at WADPMBXV0.waddell.com>

Content-Type: text/plain; charset="utf-8"

Try ../sites_enabled/default; or if *eap requests it would be inner-tunnel,
- I think...

From: Paulo Maia [mailto:phc.maia at gmail.com]
Sent: Friday, March 04, 2011 06:43 PM
To: FreeRadius users mailing list <freeradius-users at lists.freeradius.org>
Subject: Re: Freeraidus 2

Compilou o instalou via yum  ?  Geralmente fica em $RADIUSDIR/modules/ldap

Abs,


2011/3/4 Usu?rio do Sistema <maiconlp at ig.com.br<mailto:maiconlp at ig.com.br>>
Hello everyone, I'm Maicon from Brazil.

I'm in a project with Freeradius. I want to deployment authentication with
certificate from my wireless users EAP-TLS but I'm finding some difficult.
there is a good how to for version 2 ?? I've started with version 1.x but
decided to change for version 2 and I'm not finding where I set the LDAP
conection. at the older version it was inside radiusd.conf. anybody help me
??


thank!


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Message: 3
Date: Sat, 05 Mar 2011 01:17:54 +0000
From: James J J Hooper <jjj.hooper at bristol.ac.uk>
Subject: Re: Caching techniques with ntlm_auth usage?
       (EAP-PEAP-MSchapV2)
To: FreeRadius users mailing list
       <freeradius-users at lists.freeradius.org>
Message-ID: <403FF343B2CCD5B162F64B80@[172.16.13.237]>
Content-Type: text/plain; charset=us-ascii; format=flowed



--On 04 March 2011 12:34 -0500 John Douglass <john.douglass at oit.gatech.edu>
wrote:

> Group,
>
> Recently, my AD servers were patched by another support group and this
> caused a (small but noticeable) service outage for our WPA radius
> services (Radius 2.1.9)

I can think of two things to investigate:
* Recent Samba can do winbind credential caching IIRC - I haven't
experimented with this so I'm not sure if it will work for this application.

* Enable Fast Session Resumption:
<https://github.com/alandekok/freeradius-server/blob/master/raddb/modules/ea
p#L312>

... We dropped the hits on our DCs by > 40% by doing this. N.B Resumed
sessions will not touch your inner-tunnel config, so you have to make sure
that you pay attention when (re-)assigning VLANs / other returned
attributes based on username.

-James

--
James J J Hooper
Network Specialist, University of Bristol
http://www.wireless.bristol.ac.uk <http://www.wireless.bristol.ac.uk/> 
--




------------------------------

Message: 4
Date: Fri, 4 Mar 2011 21:05:46 -0600
From: "McNutt, Justin M." <McNuttJ at missouri.edu>
Subject: RE: mschap with ntlm_auth and Active Directory
To: FreeRadius users mailing list
       <freeradius-users at lists.freeradius.org>
Message-ID:
 
<0A99E1DA688C7A4796A68B3BC4F74B793CE60E78A4 at UM-EMAIL04.um.umsystem.edu>

Content-Type: text/plain; charset="us-ascii"

> > root at FREERADIUS:/etc/freeradius# ntlm_auth --username=0024D6650564
> > --password=Pa$$w0rd
> > NT_STATUS_OK: Success (0x0)
> > root at FREERADIUS:/etc/freeradius# ntlm_auth --username=0024D670F3A6
> > --password=Pa$$w0rd
> > NT_STATUS_OK: Success (0x0)
> > root at FREERADIUS:/etc/freeradius# ntlm_auth --username=0024D6650564
> > --password=Pa$$w0rd
> > NT_STATUS_OK: Success (0x0)
> >
> > The password Pa$$w0rd is set in the Wireless Controller, if
> thats what you
> > mean by mschap client?

May I suggest two things:

1)  I'm assuming that the password is not actually 'Pa$$w0rd', but that
string reminds me that certain special characters - the dollar sign is a
notable one - are not always handled correctly in password strings.  Even if
FreeRADIUS is handling it correctly, AD may not, and the wireless controller
may not.  I suggest setting the password to something simpler.  If your
password policy requires special characters, use dash, equals, underscore,
or dot.  I have used passwords with these characters successfully when
authenticating via EAP/PEAP through FreeRADIUS and then on through MSCHAPv2
to AD via ntlm_auth.  (Same chain as you.)

2)  Even if you are confident that your real password's characters are not a
problem, re-enter it on the wireless controller, MANUALLY.  You may have
accidentally entered an unprintable character or a space or some similar
thing that causes the password to APPEAR to be correct, when in fact it
doesn't match.

--J


------------------------------

Message: 5
Date: Sat, 05 Mar 2011 07:23:54 +0100
From: Alan DeKok <aland at deployingradius.com>
Subject: Re: MS-CHAP-V2 with no retry
To: FreeRadius users mailing list
       <freeradius-users at lists.freeradius.org>
Message-ID: <4D71D6FA.7030306 at deployingradius.com>
Content-Type: text/plain; charset=ISO-8859-1

John.Hayward at wheaton.edu wrote:
> 1) In freeradius version 2.1.10 and older (at least 1.1.7) when there was
>    a bug in that when there was a PW_EAP_MSCHAPV2_FAILURE while there was
>    a response sent back to the client but there was no message in the
>    response.

 It's more complicated.  The server would send EAP-Failure, and nothing
else.

> 2) The patch given resolves that problem - giving the message
>    of the rlm_mschap.c module of E=691 R=1

 On closer inspection, the patch doesn't resolve anything.  It still
sends an EAP-Failure.  It should instead send an EAP-Response with
EAP-MSCHAPv2-Failure, and the "E=691 R=1" failure code.  After the
client has ACKed that, it should *then* send EAP-Failure.

 i.e. fixing it is likely a fair bit more work.

> 3) It is possible to configure in radius.conf the message on failure by:

 No.  That sends back an MS-CHAP-Error.  The code has to package that
MS-CHAP-Error into an EAP sub-type, and send it back to the client in an
*additional* request/response round trip, before finally sending
EAP-Failure.

 Alan DeKok.


------------------------------

Message: 6
Date: Sat, 05 Mar 2011 07:38:15 +0100
From: Alan DeKok <aland at deployingradius.com>
Subject: Re: Hopefully quick question: conditional processing sneaking
       in      and     setting Auth-Type
To: FreeRadius users mailing list
       <freeradius-users at lists.freeradius.org>
Message-ID: <4D71DA57.5080400 at deployingradius.com>
Content-Type: text/plain; charset=UTF-8

Gary Gatten wrote:
> I can?t find where this conditional processing is happing.  I have two
> FR servers with ?nearly? the same config.  Auth works on one, but not
> the other:

 Posting 2-3 lines of debug output doesn't help.

 Alan DeKok.


------------------------------

Message: 7
Date: Sat, 5 Mar 2011 09:44:15 +0000
From: Alan Buxey <A.L.M.Buxey at lboro.ac.uk>
Subject: Re: Freeraidus 2
To: FreeRadius users mailing list
       <freeradius-users at lists.freeradius.org>
Message-ID: <20110305094415.GA20802 at lboro.ac.uk>
Content-Type: text/plain; charset=us-ascii

hi,

th details for your LDAP in 2.x go into $RADDB/modules/ldap

in 2.x most of the stuff was broken out of radiusd.conf
and put into either modules/*  or sites-available/*

if you want a particular feature, then configure the
module file , configure the sites-available file,

module files are pulled in by default, but to activate a 'site'
you need to ensure its in the sites-enabled/ directory
(a few 'sites' files are symlinked there by default... eg
default, inner-tunnel .....)

alan


------------------------------

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