Constantly trying to connect to LDAP server normal?

[Greg Newton <gtnewton [at] gmail.com>]

Hi,
I'm running nslcd 0.8.13-3 on Ubuntu 14.04. Authentication works. New 
and returning users are able to authenticate using LDAP.

What I'm seeing:
When tailing syslog I see regular attempts to authenticate every user, 
LDAP and local. So, a snippet from syslog looks like this:

Jul 21 15:13:35 spade nslcd[1095]: [f32454] <group/member="root"> 
ldap_search_ext() failed: Can't contact LDAP server: Connection reset by 
peer
Jul 21 15:13:35 spade nslcd[1095]: [f32454] <group/member="root"> no 
available LDAP server found, sleeping 1 seconds
Jul 21 15:13:36 spade nslcd[1095]: [f32454] <group/member="root"> 
connected to LDAP server ldap.example.com/
Jul 21 15:25:15 biscuit nslcd[1095]: [eaf087] <passwd="keith"> 
ldap_search_ext() failed: Can't contact LDAP server: Connection reset by 
peer
Jul 21 15:25:15 biscuit nslcd[1095]: [eaf087] <passwd="keith"> no 
available LDAP server found, sleeping 1 seconds
Jul 21 15:25:16 biscuit nslcd[1095]: [eaf087] <passwd="keith"> connected 
to LDAP server ldaps://ldap.example.com/
Jul 21 15:25:16 biscuit nslcd[1095]: [221a70] <passwd="steve"> 
ldap_search_ext() failed: Can't contact LDAP server: Connection reset by 
peer
Jul 21 15:25:16 biscuit nslcd[1095]: [221a70] <passwd="steve"> no 
available LDAP server found, sleeping 1 seconds
Jul 21 15:25:17 biscuit nslcd[1095]: [221a70] <passwd="steve"> connected 
to LDAP server ldaps://ldap.example.com/
Jul 21 15:35:20 biscuit nslcd[1095]: [16dde9] <authz="thedude"> 
ldap_search_ext() failed: Can't contact LDAP server: Connection reset by 
peer
Jul 21 15:35:20 biscuit nslcd[1095]: [16dde9] <authz="thedude"> no 
available LDAP server found, sleeping 1 seconds
Jul 21 15:35:21 biscuit nslcd[1095]: [16dde9] <authz="thedude"> 
connected to LDAP server ldaps://ldap.example.com/
Jul 21 15:35:21 biscuit nslcd[1095]: [4fd4a1] <group/member="lightdm"> 
ldap_search_ext() failed: Can't contact LDAP server: Connection reset by 
peer
Jul 21 15:35:21 biscuit nslcd[1095]: [4fd4a1] <group/member="lightdm"> 
no available LDAP server found, sleeping 1 seconds
Jul 21 15:35:22 biscuit nslcd[1095]: [4fd4a1] <group/member="lightdm"> 
connected to LDAP server ldaps://ldap.example.com/
Jul 21 15:35:22 biscuit nslcd[1095]: [77f8e1] <group/member="keith"> 
ldap_search_ext() failed: Can't contact LDAP server: Connection reset by 
peer
Jul 21 15:35:22 biscuit nslcd[1095]: [77f8e1] <group/member="keith"> no 
available LDAP server found, sleeping 1 seconds
Jul 21 15:35:23 biscuit nslcd[1095]: [77f8e1] <group/member="keith"> 
connected to LDAP server ldaps://ldap.example.com/

I'm not sure if this is important, but keith and steve are regular 
users, and thedude is a local admin account which does not use LDAP for 
authentication.
Note that this also happens with the root account, but looking at 
auth.log tells me that these are cron events.
These attempts to contact the LDAP server occur every 6-10 minutes all 
day, rotating through users that have previously logged in to that machine.

So, is this due to a configuration problem, or is there something else 
going on? Do I ignore it or make adjustments?

Thanks,
Greg
--
To unsubscribe send an email to
nss-pam-ldapd-users-unsubscribe@lists.arthurdejong.org or see
http://lists.arthurdejong.org/nss-pam-ldapd-users/