[horde] Can't synchronize older devices with ActiveSync-2.13.2

[Arjen de Korte]

Citeren Michael J Rubinsky <mrubinsk at horde.org>:

> Quoting Arjen de Korte <arjen+horde at de-korte.org>:
>
>> I have several (older) devices that stop synchronizing with the  
>> latest (2.13.2) version of Horde_ActiveSync. Calendar  
>> synchronization has been broken for most of them (and the newer  
>> ones too) for quite a while already (see Bug #13022), but now also  
>> mailboxes are affected. Some mailboxes will synchronize fine, but  
>> others (it seems to be the ones with lots of messages in them)  
>> don't. Removing accounts and provisioning devices again doesn't help.
>>
>> One thing that I noticed is, that now all devices report the same  
>> 'Supporting protocol version':
>>
>> INFO: [5891] Request being handled for device: HTCAND543813B4,  
>> Supporting protocol version: 14,1, Using Horde_ActiveSync v2.13.2
>> INFO: [5207] Request being handled for device: 847CC7DCA0F0B1CF,  
>> Supporting protocol version: 14.1, Using Horde_ActiveSync v2.13.2
>> INFO: [7820] Request being handled for device:  
>> ANDROID1325376003651, Supporting protocol version: 14.1, Using  
>> Horde_ActiveSync v2.13.2
>>
>> The last version of Horde_ActiveSync that more-or-less works here  
>> is 2.12.4, where the supporting protocol version matches with what  
>> the devices actually support:
>>
>> INFO: [19415] Request being handled for device: HTCAND543813B4,  
>> Supporting protocol version: 12.1, Using Horde_ActiveSync v2.12.4
>> INFO: [20366] Request being handled for device: 847CC7DCA0F0B1CF,  
>> Supporting protocol version: 12.1, Using Horde_ActiveSync v2.12.4
>> INFO: [26236] Request being handled for device:  
>> ANDROID1325376003651, Supporting protocol version: 14.1, Using  
>> Horde_ActiveSync v2.12.4
>>
>> Only the ANDROID1325376003651 is able to synchronize mail without  
>> issues, for the other two there will be massive looping syncs  
>> before Horde gives up on synchronization (large mailboxes and the  
>> calendar seem to be affected). With v2.12.4 all devices synchronize  
>> at least mail and contacts properly and some accounts (this doesn't  
>> seem to be related to the devices) will also have their calendar  
>> synchronized.
>
> Can you provide the exact string that the client sends in the version header?

Do I need to grab this from the wire or is this logged somewhere?
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