debian,ubuntu :

apt install make gcc zlib1g-dev libcap-dev libnetfilter-queue-dev libmnl-dev libsystemd-dev libluajit2-5.1-dev
make -C /opt/zapret2 systemd

FreeBSD :

pkg search luajit-2
# see what's the version available
pkg install luajit-2.1.0.20250728
make -C /opt/zapret2

OpenBSD :

pkg_add luajit gmake bsd
gmake -C /opt/zapret2