/etc/logcheck/ignore.d.server/nslcd is in logcheck-database 1.3.18.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ nslcd\[[0-9]+\]: \[[0-9a-f]+\] connected to LDAP server ldap(i|s)?://(((([0-9]|([1-9]|1[0-9]|2[0-4])[0-9]|25[0-5])\.){3}([0-9]|([1-9]|1[0-9]|2[0-4])[0-9]|25[0-5]))?|([0-9a-zA-Z][-0-9a-zA-Z]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})/$
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