Change LDAP from localhost to LDAPs - "Lost connection to LDAP server."

ℹ️ Support
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1

Hello,

I setup a second LDAP-Connection. The first using localhost with Port 389, works perfect since years. But now, the OpenLDAP Server should move from localhost to a other VM. I setup a other application (znuny) with this new OpenLDAP Server over LDAPs and everything works with the URL ldaps://openldap-server.de:636.

But Nextcloud 28.0.8 say everytime I klick “continue”

“Lost connection to LDAP server.”

When I use nmap to check if the port is open:

image

I know, the OpenLDAP using a old, self-signet certificate. So I activate the option “Turn off SSL certificate validation.”.

I search in google and try, I think, everything, but its always the same “Lost connection to LDAP server.”. The slapd-process on the new server runs without a break, without problems.

Any ideas?

It looks like a bug to me

Edit: if I start “tcpdump port 636” an the new openldap-server, and click then “continue” in nextcloud:


06:52:43.166160 IP nextcloud-server.de.57140 > openldap-server.de.ldaps: Flags [S], seq 1119449502, win 64240, options [mss 1460,sackOK,TS val 1104231361 ecr 0,nop,wscale 7], length 0
06:52:43.166184 IP openldap-server.de.ldaps > nextcloud-server.de.57140: Flags [S.], seq 1173441248, ack 1119449503, win 65160, options [mss 1460,sackOK,TS val 1070242092 ecr 1104231361,nop,wscale 7], length 0
06:52:43.166494 IP nextcloud-server.de.57140 > sirius.yados.de.ldaps: Flags [.], ack 1, win 502, options [nop,nop,TS val 1104231361 ecr 1070242092], length 0
06:52:43.166715 IP nextcloud-server.de.57140 > sirius.yados.de.ldaps: Flags [P.], seq 1:338, ack 1, win 502, options [nop,nop,TS val 1104231362 ecr 1070242092], length 337
06:52:43.166724 IP openldap-server.de.ldaps > nextcloud-server.de.57140: Flags [.], ack 338, win 507, options [nop,nop,TS val 1070242092 ecr 1104231362], length 0
06:52:43.166993 IP openldap-server.de.ldaps > nextcloud-server.de.57140: Flags [P.], seq 1:129, ack 338, win 507, options [nop,nop,TS val 1070242093 ecr 1104231362], length 128
06:52:43.167062 IP openldap-server.de.ldaps > nextcloud-server.de.57140: Flags [P.], seq 129:135, ack 338, win 507, options [nop,nop,TS val 1070242093 ecr 1104231362], length 6
06:52:43.167251 IP nextcloud-server.de.57140 > openldap-server.de.ldaps: Flags [.], ack 129, win 501, options [nop,nop,TS val 1104231362 ecr 1070242093], length 0
06:52:43.167393 IP nextcloud-server.de.57140 > openldap-server.de.ldaps: Flags [.], ack 135, win 501, options [nop,nop,TS val 1104231362 ecr 1070242093], length 0
06:52:43.167570 IP nextcloud-server.de.57140 > openldap-server.de.ldaps: Flags [P.], seq 338:344, ack 135, win 501, options [nop,nop,TS val 1104231362 ecr 1070242093], length 6
06:52:43.174346 IP openldap-server.de.ldaps > nextcloud-server.de.57140: Flags [P.], seq 135:169, ack 344, win 507, options [nop,nop,TS val 1070242100 ecr 1104231362], length 34
06:52:43.174353 IP openldap-server.de.ldaps > nextcloud-server.de.57140: Flags [P.], seq 169:2839, ack 344, win 507, options [nop,nop,TS val 1070242100 ecr 1104231362], length 2670
06:52:43.174420 IP openldap-server.de.ldaps > nextcloud-server.de.57140: Flags [P.], seq 2839:3455, ack 344, win 507, options [nop,nop,TS val 1070242100 ecr 1104231362], length 616
06:52:43.174774 IP nextcloud-server.de.57140 > openldap-server.de.ldaps: Flags [.], ack 1617, win 501, options [nop,nop,TS val 1104231370 ecr 1070242100], length 0
06:52:43.174775 IP nextcloud-server.de.57140 > openldap-server.de.ldaps: Flags [.], ack 3455, win 501, options [nop,nop,TS val 1104231370 ecr 1070242100], length 0
06:52:43.175128 IP nextcloud-server.de.57140 > openldap-server.de.ldaps: Flags [P.], seq 344:418, ack 3455, win 501, options [nop,nop,TS val 1104231370 ecr 1070242100], length 74
06:52:43.175477 IP nextcloud-server.de.57140 > openldap-server.de.ldaps: Flags [F.], seq 418, ack 3455, win 501, options [nop,nop,TS val 1104231370 ecr 1070242100], length 0
06:52:43.175511 IP openldap-server.de.ldaps > nextcloud-server.de.57140: Flags [P.], seq 3455:3479, ack 419, win 507, options [nop,nop,TS val 1070242101 ecr 1104231370], length 24
06:52:43.175517 IP openldap-server.de.ldaps > nextcloud-server.de.57140: Flags [F.], seq 3479, ack 419, win 507, options [nop,nop,TS val 1070242101 ecr 1104231370], length 0
06:52:43.175736 IP nextcloud-server.de.57140 > openldap-server.de.ldaps: Flags [R], seq 1119449921, win 0, length 0
06:52:43.175781 IP nextcloud-server.de.57140 > openldap-server.de.ldaps: Flags [R], seq 1119449921, win 0, length 0
06:52:43.323136 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [S], seq 505188172, win 64240, options [mss 1460,sackOK,TS val 1104231518 ecr 0,nop,wscale 7], length 0
06:52:43.323143 IP openldap-server.de.ldaps > nextcloud-server.de.57144: Flags [S.], seq 3345784707, ack 505188173, win 65160, options [mss 1460,sackOK,TS val 1070242249 ecr 1104231518,nop,wscale 7], length 0
06:52:43.323437 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [.], ack 1, win 502, options [nop,nop,TS val 1104231518 ecr 1070242249], length 0
06:52:43.323658 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [P.], seq 1:338, ack 1, win 502, options [nop,nop,TS val 1104231518 ecr 1070242249], length 337
06:52:43.323668 IP openldap-server.de.ldaps > nextcloud-server.de.57144: Flags [.], ack 338, win 507, options [nop,nop,TS val 1070242249 ecr 1104231518], length 0
06:52:43.323933 IP openldap-server.de.ldaps > nextcloud-server.de.57144: Flags [P.], seq 1:129, ack 338, win 507, options [nop,nop,TS val 1070242249 ecr 1104231518], length 128
06:52:43.323992 IP openldap-server.de.ldaps > nextcloud-server.de.57144: Flags [P.], seq 129:135, ack 338, win 507, options [nop,nop,TS val 1070242250 ecr 1104231518], length 6
06:52:43.324313 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [.], ack 129, win 501, options [nop,nop,TS val 1104231519 ecr 1070242249], length 0
06:52:43.324330 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [.], ack 135, win 501, options [nop,nop,TS val 1104231519 ecr 1070242250], length 0
06:52:43.324555 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [P.], seq 338:344, ack 135, win 501, options [nop,nop,TS val 1104231519 ecr 1070242250], length 6
06:52:43.331300 IP openldap-server.de.ldaps > nextcloud-server.de.57144: Flags [P.], seq 135:169, ack 344, win 507, options [nop,nop,TS val 1070242257 ecr 1104231519], length 34
06:52:43.331307 IP openldap-server.de.ldaps > nextcloud-server.de.57144: Flags [P.], seq 169:2839, ack 344, win 507, options [nop,nop,TS val 1070242257 ecr 1104231519], length 2670
06:52:43.331378 IP openldap-server.de.ldaps > nextcloud-server.de.57144: Flags [P.], seq 2839:3455, ack 344, win 507, options [nop,nop,TS val 1070242257 ecr 1104231519], length 616
06:52:43.331612 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [.], ack 1617, win 501, options [nop,nop,TS val 1104231526 ecr 1070242257], length 0
06:52:43.331641 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [.], ack 3455, win 501, options [nop,nop,TS val 1104231526 ecr 1070242257], length 0
06:52:43.331938 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [P.], seq 344:418, ack 3455, win 501, options [nop,nop,TS val 1104231527 ecr 1070242257], length 74
06:52:43.332332 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [F.], seq 418, ack 3455, win 501, options [nop,nop,TS val 1104231527 ecr 1070242257], length 0
06:52:43.332366 IP openldap-server.de.ldaps > nextcloud-server.de.57144: Flags [P.], seq 3455:3479, ack 419, win 507, options [nop,nop,TS val 1070242258 ecr 1104231527], length 24
06:52:43.332374 IP openldap-server.de.ldaps > nextcloud-server.de.57144: Flags [F.], seq 3479, ack 419, win 507, options [nop,nop,TS val 1070242258 ecr 1104231527], length 0
06:52:43.332619 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [R], seq 505188591, win 0, length 0
06:52:43.332619 IP nextcloud-server.de.57144 > openldap-server.de.ldaps: Flags [R], seq 505188591, win 0, length 0

So, nextcloud reach the new OpenLDAP-Server.
Every OS is Debian.

2

What is in nextcloud.log with loglevel = 0 ?

3

Good idea!

{"reqId":"eMLdBMplSbO1AykY8vgH","level":0,"time":"2024-07-24T05:42:20+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"logreader","method":"PUT","url":"/index.php/apps/logreader/api/settings","message":"Updating AppConfig: shownLevels => [1,2,3,4]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"logreader"}}
{"reqId":"pOLJ6bOwpHYdTEQz7Xxn","level":0,"time":"2024-07-24T05:42:20+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"logreader","method":"PUT","url":"/index.php/apps/logreader/api/settings","message":"Updating AppConfig: shownLevels => [2,3,4]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"logreader"}}
{"reqId":"g3nx6vEUUCSVf0yGv8h1","level":0,"time":"2024-07-24T05:42:20+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"logreader","method":"PUT","url":"/index.php/apps/logreader/api/settings","message":"Updating AppConfig: shownLevels => [3,4]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"logreader"}}
{"reqId":"4htvpMGkamk3lckhPKvq","level":2,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Configuration Error (prefix s01): No LDAP Login Filter given!","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"4htvpMGkamk3lckhPKvq","level":2,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Configuration Error (prefix s01): login filter does not contain %uid place holder.","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"4htvpMGkamk3lckhPKvq","level":2,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Configuration Error (prefix s01): No LDAP Login Filter given!","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"4htvpMGkamk3lckhPKvq","level":2,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Configuration Error (prefix s01): login filter does not contain %uid place holder.","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"4htvpMGkamk3lckhPKvq","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Calling LDAP function ldap_connect with parameters [\"ldaps:\\/\\/openldap-server.de:636\"]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"4htvpMGkamk3lckhPKvq","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Calling LDAP function ldap_set_option with parameters [{},17,3]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"4htvpMGkamk3lckhPKvq","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Calling LDAP function ldap_set_option with parameters [{},8,0]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"4htvpMGkamk3lckhPKvq","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Calling LDAP function ldap_set_option with parameters [{},20485,4]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"4htvpMGkamk3lckhPKvq","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Calling LDAP function ldap_bind with parameters [{},\"\",\"***REMOVED SENSITIVE VALUE***\"]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"4htvpMGkamk3lckhPKvq","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"LDAP error Can't contact LDAP server (-1) after calling ldap_bind","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"l9UCnXh8WCVUJFswpNxg","level":2,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Configuration Error (prefix s01): No LDAP Login Filter given!","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"l9UCnXh8WCVUJFswpNxg","level":2,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Configuration Error (prefix s01): login filter does not contain %uid place holder.","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"l9UCnXh8WCVUJFswpNxg","level":2,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Configuration Error (prefix s01): No LDAP Login Filter given!","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"l9UCnXh8WCVUJFswpNxg","level":2,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Configuration Error (prefix s01): login filter does not contain %uid place holder.","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"l9UCnXh8WCVUJFswpNxg","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Calling LDAP function ldap_connect with parameters [\"ldaps:\\/\\/openldap-server.de:636\"]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"l9UCnXh8WCVUJFswpNxg","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Calling LDAP function ldap_set_option with parameters [{},17,3]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"l9UCnXh8WCVUJFswpNxg","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Calling LDAP function ldap_set_option with parameters [{},8,0]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"l9UCnXh8WCVUJFswpNxg","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Calling LDAP function ldap_set_option with parameters [{},20485,4]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"l9UCnXh8WCVUJFswpNxg","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"Calling LDAP function ldap_bind with parameters [{},\"\",\"***REMOVED SENSITIVE VALUE***\"]","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}
{"reqId":"l9UCnXh8WCVUJFswpNxg","level":0,"time":"2024-07-24T05:42:56+00:00","remoteAddr":"111.222.333.444","user":"admin","app":"user_ldap","method":"POST","url":"/index.php/apps/user_ldap/ajax/wizard.php","message":"LDAP error Can't contact LDAP server (-1) after calling ldap_bind","userAgent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0","version":"28.0.8.1","data":{"app":"user_ldap"}}

I have change the IP-address and the openldap-server address.

4

I do not use ldaps, only ldap. Is ldaps supported by the ldap integration app? In doubt ask the developer. IMHO end-to-end encryption seems to be tricky in all cases…

5

I have found the problem. I had to enter all the information such as filters and groups. That worked.

Thank you very much

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6

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