Hi!
I start gnome-control-center from command line and got this output
when I try to set my password:
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.297: > GET
/owncloud/remote.php/webdav/ HTTP/1.1
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.297: >
Soup-Debug-Timestamp: 1535364636
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.297: >
Soup-Debug: SoupSession 1 (0x56119e8e9460), SoupMessage 1
(0x56119e9fbd70), SoupSocket 1 (0x56119ee5df30)
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.297: > Host: xxx.xxx
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.297: >
Accept-Encoding: gzip, deflate
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.297: >
Connection: Keep-Alive
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.297:
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
HTTP/1.1 401 Unauthorized
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
Soup-Debug-Timestamp: 1535364636
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
Soup-Debug: SoupMessage 1 (0x56119e9fbd70)
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: < Date:
Mon, 27 Aug 2018 10:10:36 GMT
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: < Server:
Apache/2.4.18 (Ubuntu)
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
Set-Cookie: ocuprzxdg0eu=g4g4g41cqm4eavlk3hp026ps56; path=/owncloud;
secure; HttpOnly
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
Expires: Thu, 19 Nov 1981 08:52:00 GMT
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
Cache-Control: no-store, no-cache, must-revalidate
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: < Pragma: no-cache
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
Set-Cookie:
oc_sessionPassphrase=gm0mBfyP%2FMd7Z10D5r7y35jMGSQIxMwu4lplIfe4zbk%2FMShhM3rJv9P9J2WpyU1yoyj7B90GyhH0p6zsVq6ZmfIy8u0Bzs2F0t5LO54yUfs4DKEDGLKVu4B3n1ftiNOt;
path=/owncloud; secure; HttpOnly
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
Content-Security-Policy: default-src 'none';
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
X-Frame-Options: SAMEORIGIN
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
Set-Cookie: nc_sameSiteCookielax=true; path=/owncloud;
httponly;secure; expires=Fri, 31-Dec-2100 23:59:59 GMT; SameSite=lax
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
Set-Cookie: nc_sameSiteCookiestrict=true; path=/owncloud;
httponly;secure; expires=Fri, 31-Dec-2100 23:59:59 GMT;
SameSite=strict
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
WWW-Authenticate: Basic realm="Nextcloud"
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
X-Content-Type-Options: nosniff
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
X-XSS-Protection: 1; mode=block
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
X-Robots-Tag: none
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.363: <
X-Download-Options: noopen
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
X-Permitted-Cross-Domain-Policies: none
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
Content-Length: 414
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
Keep-Alive: timeout=5, max=100
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
Connection: Keep-Alive
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
Content-Type: application/xml; charset=utf-8
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
http://sabredav.org/ns;>
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
Sabre\DAV\Exception\NotAuthenticated
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
No 'Authorization: Basic' header found. Either the client
didn't send one, or the server is misconfigured, No 'Authorization:
Bearer' header found. Either the client didn't send one, or the server
is mis-configured
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: <
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364:
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: > GET
/owncloud/remote.php/webdav/ HTTP/1.1
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: >
Soup-Debug-Timestamp: 1535364636
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: >
Soup-Debug: SoupSession 1 (0x56119e8e9460), SoupMessage 1
(0x56119e9fbd70), SoupSocket 1 (0x56119ee5df30), restarted
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: > Host:
king-coder.de
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: >
Accept-Encoding: gzip, deflate
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: >
Connection: Keep-Alive
(gnome-control-center:5889): GoaBackend-DEBUG: 12:10:36.364: >
Authorization: Basic [michael:**]