This file is indexed.

/usr/lib/firebird/2.1/firebird.msg is in firebird2.1-common 2.1.4.18393-0.ds2-6build1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/firebird/2.1/../../../share/firebird/2.1/firebird.msg