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IDProjectCategoryView StatusLast Update
0005211SOGoWeb Address Bookpublic2020-11-21 15:19
ReporterMarkusP58 Assigned To 
Status newResolutionopen 
PlatformLenovo Thinkpad T430 or P43sOSFedoraOS Version32 or 33
Summary0005211: Fedora 33 + Evolution 3.38.1 cannot read CardDav from SOGo

Fedora 33
Evolution: 3.38.1 (3.38.1-1.module_f33+10288+0a1d8bbf)
Sogo: runs in mailcow-dockerized with version: mailcowdockerized_sogo-mailcow_1 mailcow/sogo 1.91 3c20e5dc24a2 478.7 MB

When adding the CardDav address book to the Evolution Client no address book content will be loaded. No error message appears.

Doing the same on a Fedora 32 with Evolution 3.36.5 (3.36.5-1.fc32) everything works as expected and the address book can be read.

Any ideas why this happens?

TagsNo tags attached.




2020-11-11 14:17

reporter   ~0014937

Fedora has updated the system-wide crypto policy to disable legacy cryptographic protocols (TLS 1.0 and TLS 1.1), weak Diffie-Hellman key exchange sizes (1024 bit), and use of the SHA-1 hash in signatures. You may check, if your SOGo instance in mailcow suffers suffers from weak encryption using SSLabs Server Test or similar CLI tools.

See too.



2020-11-12 07:25

reporter   ~0014938

tested my server with SSLabs and got an A+
the underlaying nginx server is configured to use TLSv1.2/1.3 only, as you can see in the screenshot
any further ideas?

image.png (30,279 bytes)   
image.png (30,279 bytes)   


2020-11-15 16:50

reporter   ~0014945

I'm having the same issue too. Checked SSL and it's not the issue. Calendars sync through CalDAV just fine, it's just the contacts that no longer sync properly. There is a parallel bug report here ( for Evolution.



2020-11-21 15:19

reporter   ~0014965

this is not an SOGo issue... please look here:

Issue History

Date Modified Username Field Change
2020-11-11 12:48 MarkusP58 New Issue
2020-11-11 14:17 jsiml Note Added: 0014937
2020-11-12 07:25 MarkusP58 Note Added: 0014938
2020-11-12 07:25 MarkusP58 File Added: image.png
2020-11-15 16:50 brendanpward Note Added: 0014945
2020-11-21 15:19 MarkusP58 Note Added: 0014965