Hello Peter,

If you want to troubleshoot, let me know.

Thanks,

Ludovic Zammit
Product Support Engineer Principal Lead

Cell: +1.613.670.8432
Akamai Technologies - Inverse
145 Broadway
Cambridge, MA 02142
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> On Apr 14, 2025, at 12:34 PM, Peter Jensen via PacketFence-users 
> <packetfence-users@lists.sourceforge.net> wrote:
> 
> This Message Is From an External Sender
> This message came from outside your organization.
> Yes
> 
> Now they are failing every time.
> 
> It must be a PEAP issue on ubuntu clients. I have moved to TTLS with MSCHAPv2 
> and that works fine.
> 
> So i will not spend anymore time debugging the PEAP issue, since i did 
> something else doing debugging.
> 
> 
> On 14/04/2025 14.56, Zammit, Ludovic wrote:
>> Hello Peter,
>> 
>> Are you able to replicate a failure on demand ?
>> 
>> Thanks,
>> 
>> Ludovic Zammit
>> Product Support Engineer Principal Lead
>> 
>> 
>> Cell: +1.613.670.8432
>> Akamai Technologies - Inverse
>> 145 Broadway
>> Cambridge, MA 02142
>> 
>> Connect with Us:      <https://community.akamai.com/>  
>> <http://blogs.akamai.com/>  
>> <https://urldefense.com/v3/__https://twitter.com/akamai__;!!GjvTz_vk!QzMisTy13cnSV6E_l2k1wfzuQ6Kw-BZeeF0rbQ_sBpH7iJYz7ZTNNEVVB4j8hv5kbwY9BsQ6hdhjHfpfbmqKJZb0nBe3cZEyFSTjbg$>
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>>> On Apr 11, 2025, at 9:13 AM, Peter Jensen via PacketFence-users 
>>> <packetfence-users@lists.sourceforge.net> 
>>> <mailto:packetfence-users@lists.sourceforge.net>wrote:
>>> 
>>> This Message Is From an External Sender
>>> This message came from outside your organization.
>>> Hi all,
>>> 
>>> We’re currently experiencing issues with Linux devices trying to connect 
>>> via 802.1X using PEAP, both on wired and wireless connections, and I’m 
>>> wondering if anyone else has encountered similar problems.
>>> 
>>> We have a connection profile configured that filters for MSCHAPv2 and PEAP. 
>>> It also verifies that the MAC address of the device is present in a 
>>> specific MAC list (set to Any), and all other conditions are combined using 
>>> AND logic.
>>> If the MAC address is found on the list, an authentication profile is 
>>> selected which validates the username and password against our Windows AD, 
>>> and ensures the user is a member of a specific group, such as 802.1x-users.
>>> 
>>> The issue we’re seeing is that users often have to try multiple times 
>>> (e.g., disabling/enabling the network interface) before they can 
>>> successfully connect. In some cases, they are unable to connect at all 
>>> until hours later, even when trying the exact same credentials.
>>> 
>>> The radius.log shows the typical MSCHAP error about invalid credentials. 
>>> However, the credentials are definitely correct — they’ve been verified 
>>> multiple times and eventually do work.
>>> There is no related entry in packetfence.log until the radius.log finally 
>>> shows a successful authentication.
>>> 
>>> Could this be caused by the MAC address condition in the connection 
>>> profile, or is it something else entirely?
>>> 
>>> Interestingly, our Windows clients use EAP-TTLS instead, and they work 
>>> perfectly every time — so the problem seems to be isolated to Linux clients 
>>> using PEAP.
>>> 
>>> Has anyone seen or experienced this kind of behavior before?
>>> 
>>> Any insight or suggestions would be greatly appreciated!
>>> 
>>> 
>>> 
>>> 
>>> Peter Jensen
>>> Consultant
>>> ScitoDK
>>>  
>>>     
>>>  
>>> 
>>> +45 40 73 17 37 <tel:+45 40 73 17 37>
>>>     p...@scito.dk <mailto:p...@scito.dk>
>>>  
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