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ldap_result() failed: Can't contact LDAP server

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  ldap_result() failed: Can't contact LDAP server Shaheena Kazi <shaheena.kazi@gmail.com> - 2024-03-06 17:20 +0100
    Re: ldap_result() failed: Can't contact LDAP server Dan Ritter <dsr@randomstring.org> - 2024-03-06 18:00 +0100

#268103 — ldap_result() failed: Can't contact LDAP server

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Package: nslcd

I have upgraded from Debian 11 to Debian 12.

The problem is that I keep getting the below errors in the syslog...
893:2024-02-29T16:30:13.055665+00:00 hostname-shaheena nslcd[7712]:
[d062c2] <group/member="root"> ldap_start_tls_s() failed (uri=ldap://
127.0.0.1:389/): Can't contact LDAP server: Transport endpoint is not
connected
894:2024-02-29T16:30:13.055747+00:00 hostname-shaheena nslcd[7712]:
[d062c2] <group/member="root"> failed to bind to LDAP server ldap://
127.0.0.1:389/: Can't contact LDAP server: Transport endpoint is not
connected
1423:2024-03-01T09:08:08.473189+00:00 hostname-shaheena nslcd[24301]:
[8b4567] <group/member="local_admin"> ldap_start_tls_s() failed (uri=ldap://
127.0.0.1:389/): Can't contact LDAP server: Transport endpoint is not
connected
1424:2024-03-01T09:08:08.473204+00:00 hostname-shaheena nslcd[24301]:
[8b4567] <group/member="local_admin"> failed to bind to LDAP server ldap://
127.0.0.1:389/: Can't contact LDAP server: Transport endpoint is not
connected
1648:2024-03-01T09:09:08.556456+00:00 hostname-shaheena nslcd[36935]:
[8b4567] <group/member="openldap"> ldap_start_tls_s() failed (uri=ldap://
127.0.0.1:389/): Can't contact LDAP server: Transport endpoint is not
connected
1649:2024-03-01T09:09:08.556475+00:00 hostname-shaheena nslcd[36935]:
[8b4567] <group/member="openldap"> failed to bind to LDAP server ldap://
127.0.0.1:389/: Can't contact LDAP server: Transport endpoint is not
connected
1651:2024-03-01T09:09:08.668341+00:00 hostname-shaheena nslcd[36935]:
[7b23c6] <group/member="rabbitmq"> ldap_start_tls_s() failed (uri=ldap://
127.0.0.1:389/): Can't contact LDAP server: Transport endpoint is not
connected
1652:2024-03-01T09:09:08.668363+00:00 hostname-shaheena nslcd[36935]:
[7b23c6] <group/member="rabbitmq"> failed to bind to LDAP server ldap://
127.0.0.1:389/: Can't contact LDAP server: Transport endpoint is not
connected

My nslcd.conf looks like below:
# /etc/nslcd.conf
# nslcd configuration file. See nslcd.conf(5)
# for details.

# The user and group nslcd should run as.
uid nslcd
gid nslcd

uri ldap://127.0.0.1:389/
binddn cn=ldap_login,ou=people,dc=subdomain,dc=domain,dc=com
bindpw xxxxxxxxxxx
ldap_version 3
base ou=people,dc=subdomain,dc=domain,dc=com
ssl start_tls
tls_reqcert never


cat /etc/nsswitch.conf
# /etc/nsswitch.conf


gshadow:        files

hosts:          files dns
networks:       files

protocols:      db files
services:       db files
ethers:         db files
rpc:            db files


passwd:        compat ldap
group:         compat ldap
shadow:        compat ldap
netgroup:      nis ldap

All the services are up and running fine. Only thing is I am not able to
figure out what is causing these messages in the syslog.
Can u guys help me understand this ?

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#268104

Shaheena Kazi wrote: 
> Package: nslcd
> 
> I have upgraded from Debian 11 to Debian 12.
> 
> The problem is that I keep getting the below errors in the syslog...
> 893:2024-02-29T16:30:13.055665+00:00 hostname-shaheena nslcd[7712]:
> [d062c2] <group/member="root"> ldap_start_tls_s() failed (uri=ldap://
> 127.0.0.1:389/): Can't contact LDAP server: Transport endpoint is not
> connected

nslcd is expecting to reach an LDAP server that sits on the same
machine (127.0.0.1 means "me") and it can't.

This probably means that there is no LDAP server running on the
same machine.

> binddn cn=ldap_login,ou=people,dc=subdomain,dc=domain,dc=com
> bindpw xxxxxxxxxxx
> ldap_version 3
> base ou=people,dc=subdomain,dc=domain,dc=com

Are those literal values, or did you obfucate them?

Do you think that you are running an LDAP server?

-dsr-

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