Install libapache2-mod-dnssd by entering the following commands in the terminal:
sudo apt update sudo apt install libapache2-mod-dnssd
Description:
Zeroconf support for Apache 2 via avahi
mod_dnssd is an Apache HTTPD module which adds Zeroconf support via DNS-SD using Avahi. This allows Apache to advertise itself and the websites available to clients compatible with the protocol.
Homepage: http://0pointer.de/lennart/projects/mod_dnssd/
Version: 0.6-3.2
Section: universe/web