/etc/apache2/mods-available/authn_file.load is in apache2.2-common 2.2.22-13+deb7u6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | LoadModule authn_file_module /usr/lib/apache2/modules/mod_authn_file.so
|