Install libapache-authenhook-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libapache-authenhook-perl
Description:
Perl API for Apache 2.1 authentication
Apache::AuthenHook offers access to the 2.1 Apache authentication API in Perl. This is different than the authentication API from Apache 1.3 or even Apache 2.0, but in its differences lies strength.
Homepage: http://search.cpan.org/dist/Apache-AuthenHook/
Version: 2.00-04+pristine-5build6
Section: universe/perl