shell-things/etc/systemd/system/tor.service.d/override.conf

[Service]
AmbientCapabilities=CAP_NET_BIND_SERVICE
NoNewPrivileges=yes
add override.conf for tor.service for allowing binding to 80/443 It took me some time a few days ago to figure out this (and notice that port 80 was already used by automatically installed Apache that was doing nothing). I have understood that ports 443 (Orport) and 80 (Dirport) are the best for users behind strict firewalls especially if they aren't needed for anything else on the system running Tor relay. 2018-10-12 23:10:48 +03:00			`[Service]`
			`AmbientCapabilities=CAP_NET_BIND_SERVICE`
			`NoNewPrivileges=yes`