/etc/logcheck/ignore.d.workstation/nntpcache 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:]-]+ nntpcache-(client|update|nocem)\[[0-9]+\]: clean shutdown$
|