This file is indexed.

/usr/share/pam-configs/cracklib is in libpam-cracklib 1.1.8-1ubuntu2.2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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Name: Cracklib password strength checking
Default: yes
Priority: 1024
Conflicts: unix-zany
Password-Type: Primary
Password:
	requisite			pam_cracklib.so retry=3 minlen=8 difok=3
Password-Initial:
	requisite			pam_cracklib.so retry=3 minlen=8 difok=3