Re: [Emu] Some proposed error conditions for TEAP

2013-09-30 Thread Josh Howlett
Looks good to me -- thanks for accommodating this. Josh. On 30/09/2013 00:41, "Joseph Salowey (jsalowey)" wrote: >Below is the text for the Error TLV. This should have the error >messages we discussed. I also move the CSR related error messages to >warnings. > >Cheers, > >Joe > >4.2.6. Er

Re: [Emu] Some proposed error conditions for TEAP

2013-09-29 Thread Joseph Salowey (jsalowey)
Below is the text for the Error TLV. This should have the error messages we discussed. I also move the CSR related error messages to warnings. Cheers, Joe 4.2.6. Error TLV The Error TLV allows an EAP peer or server to indicate errors to the other party. A TEAP packet can contain 0

Re: [Emu] Some proposed error conditions for TEAP

2013-09-10 Thread Joseph Salowey (jsalowey)
On Sep 9, 2013, at 8:10 AM, Josh Howlett wrote: >>> >>> - User account credentials incorrect >>> - User account credentials change required >> >> [Joe] I am concerned that these error messages reveal too much >> information to an attacker. > > I agree there are risks if used inappropriately,

Re: [Emu] Some proposed error conditions for TEAP

2013-09-09 Thread Josh Howlett
>> >>- User account credentials incorrect >> - User account credentials change required > >[Joe] I am concerned that these error messages reveal too much >information to an attacker. I agree there are risks if used inappropriately, but nonetheless there are reasonable uses for these (for example,

Re: [Emu] Some proposed error conditions for TEAP

2013-09-09 Thread Joseph Salowey (jsalowey)
On Sep 9, 2013, at 1:44 AM, Josh Howlett wrote: > Joe, > > Thanks for this. This looks good, but I am missing: > > - User account credentials incorrect > - User account credentials change required [Joe] I am concerned that these error messages reveal too much information to an attacker. >

Re: [Emu] Some proposed error conditions for TEAP

2013-09-09 Thread Josh Howlett
Joe, Thanks for this. This looks good, but I am missing: - User account credentials incorrect - User account credentials change required And also (using "Inner method" to disambiguate inner method CB from TEAP's own CB): - Inner method's channel binding data required but not supplied - Inner m

Re: [Emu] Some proposed error conditions for TEAP

2013-09-08 Thread Joseph Salowey (jsalowey)
Here is my proposed revisions for this thread - Add the following successful outcomes (informative messages) 1 - User account expires soon 2 - User account credential expires soon 3 - User account authorisations change soon 4 - Clock skew detected 5 - Contact administrator for unspecified reason

Re: [Emu] Some proposed error conditions for TEAP

2013-09-02 Thread Stefan Winter
Hi, > Ok, there is a misunderstanding here. What I mean is the EAP server not > trusting the ID Management System. That might seem a bit odd, but imagine > an EAP server trying to authenticate Kerberos against a remote KDC for > example. That's indeed a different meaning from what I thought it wo

Re: [Emu] Some proposed error conditions for TEAP

2013-09-02 Thread Josh Howlett
Apologies for the delayed response. >>>The question IMHO is: there are many inner EAP methods specified >>> already, and they don't typically specify or signal most of the error >>> conditions below to the EAP peer. The TEAP document can't impose change >>> on all those inner methods; they are wha

Re: [Emu] Some proposed error conditions for TEAP

2013-08-26 Thread Stefan Winter
Hi, >> The question IMHO is: there are many inner EAP methods specified >> already, and they don't typically specify or signal most of the error >> conditions below to the EAP peer. The TEAP document can't impose change >> on all those inner methods; they are what they are. If they tell neither >>

Re: [Emu] Some proposed error conditions for TEAP

2013-08-08 Thread Stefan Winter
Hi, > As discussed in Berlin, to get the ball rolling here is an initial > proposal for some inner method error conditions. The question IMHO is: there are many inner EAP methods specified already, and they don't typically specify or signal most of the error conditions below to the EAP peer. The