Is there valid TLS trust between UCM and Idp?

> On Sep 16, 2021, at 19:46, Johnson, Tim <johns...@cmich.edu> wrote:
> 
> 
> Nah, looks like he said logging into CCM Admin pages, with AD accounts, so 
> all areas of the web UI (I believe). The NTP errors that I’ve seen are 
> presented as SAML assertion errors.
>  
> I’m curious if this is a new SSO config, or if it was working properly and 
> something’s changed.
>  
> From: cisco-voip <cisco-voip-boun...@puck.nether.net> On Behalf Of Kent 
> Roberts
> Sent: Thursday, September 16, 2021 8:37 PM
> To: Matthew Loraditch <mloradi...@heliontechnologies.com>
> Cc: cisco-voip@puck.nether.net
> Subject: [External] Re: [cisco-voip] Error Processing SAML Response
>  
> Remember he said it also was happening on the CUCM Admin account which has 
> nothing to do with SSO/SAML.   So means its most likely internal to cucm...
> 
> 
> On Sep 16, 2021, at 4:36 PM, Matthew Loraditch 
> <mloradi...@heliontechnologies.com> wrote:
>  
> The logs are pretty clear when its a time difference as the error. I’ve not 
> seen it randomly occur but definitely the error will be it’s time and may 
> even show the difference. 
>  
> Its the 4j log file for sso I believe 
>  
> Get Outlook for iOS
>  
> Matthew Loraditch​
> Sr. Network Engineer
> (He/Him/His)
> p: 443.541.1518
> w: www.heliontechnologies.com
>  | 
> e: mloradi...@heliontechnologies.com
> <image657209.png>
> <image487691.png>
> <image529913.png>
> <image776611.png>
> From: cisco-voip <cisco-voip-boun...@puck.nether.net> on behalf of Lelio 
> Fulgenzi <le...@uoguelph.ca>
> Sent: Thursday, September 16, 2021 4:32:12 PM
> To: Jonathan Charles <jonv...@gmail.com>; Benjamin Turner 
> <benmtur...@hotmail.com>
> Cc: cisco-voip@puck.nether.net <cisco-voip@puck.nether.net>
> Subject: Re: [cisco-voip] Error Processing SAML Response
>  
>  
> [EXTERNAL]
>  
>  
> Have you been able to confirm the time difference?
>  
> I’m not trying to take their side of things, but if it’s minutes off, I 
> wouldn’t doubt that’s possible. SSO is highly secure, right? A time 
> difference might be enough to throw it off?
>  
> Here’s  reference:
>  
> https://support.pingidentity.com/s/article/Accounting-for-Time-Drift-Between-SAML-Endpoints50907
>  
>  
>  
> From: cisco-voip <cisco-voip-boun...@puck.nether.net> On Behalf Of Jonathan 
> Charles
> Sent: Thursday, September 16, 2021 6:23 PM
> To: Benjamin Turner <benmtur...@hotmail.com>
> Cc: cisco-voip@puck.nether.net
> Subject: Re: [cisco-voip] Error Processing SAML Response
>  
> CAUTION: This email originated from outside of the University of Guelph. Do 
> not click links or open attachments unless you recognize the sender and know 
> the content is safe. If in doubt, forward suspicious emails to 
> ith...@uoguelph.ca
>  
> No... TBH, I have never heard of it...
>  
> TAC is hyper-asserting that the issue is time mismatch between CUCM/CUC and 
> ADFS... 
>  
>  
> Jonathan
>  
> On Thu, Sep 16, 2021 at 4:08 PM Benjamin Turner <benmtur...@hotmail.com> 
> wrote:
> Have you tried to run a SAML Tracer? 
>  
> Sincerely,
> Benjamin M. Turner
> From: cisco-voip <cisco-voip-boun...@puck.nether.net> on behalf of Jonathan 
> Charles <jonv...@gmail.com>
> Sent: Thursday, September 16, 2021 4:56:48 PM
> To: cisco-voip@puck.nether.net <cisco-voip@puck.nether.net>
> Subject: [cisco-voip] Error Processing SAML Response
>  
> So, users are randomly getting the above error when logging into CUCM UCMUser 
> or CUC Inbox... we are also getting it using AD credentials into admin pages 
> for CUCM/CUC/etc.
>  
> For a user, it will work find repeatedly, then you will get the error, close 
> your browser, and reopen, still get the error for a few minutes. Then later 
> it will work. When a user is affected, other users work fine.
>  
> TAC is saying it is an NTP issue, however, NTP between CUCM 12.5 and IdP 
> (ADFS 2.0) is fine.
>  
> Pings are around 1ms between servers.
>  
> Any ideas?
>  
>  
> Jonathan
>  
>  
>  
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