This file is indexed.

/etc/logcheck/ignore.d.paranoid/squid 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
2
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ squid\[[[:digit:]]+\]: NETDB state saved;$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ squid\[[[:digit:]]+\]: eventCleanup$