[Unit]
Description=Anonymizing overlay network for TCP
After=syslog.target network.target nss-lookup.target
PartOf=tor-master.service
ReloadPropagatedFrom=tor-master.service

[Service]
Type=notify
NotifyAccess=all
ExecStartPre=/usr/bin/tor --runasdaemon 0 --defaults-torrc /usr/share/tor/defaults-torrc -f /etc/tor/torrc --verify-config
ExecStart=/usr/bin/tor --runasdaemon 0 --defaults-torrc /usr/share/tor/defaults-torrc -f /etc/tor/torrc
ExecReload=/bin/kill -HUP ${MAINPID}
KillSignal=SIGINT
TimeoutSec=30
Restart=on-failure
RestartSec=1
WatchdogSec=1m
LimitNOFILE=32768

# Hardening
PrivateTmp=yes
DeviceAllow=/dev/null rw
DeviceAllow=/dev/urandom r
ProtectHome=yes
ProtectSystem=full
ReadOnlyDirectories=/run
ReadOnlyDirectories=/var
ReadWriteDirectories=/run/tor
ReadWriteDirectories=/var/lib/tor
ReadWriteDirectories=/var/log/tor
CapabilityBoundingSet=CAP_SETUID CAP_SETGID CAP_NET_BIND_SERVICE
PermissionsStartOnly=yes

[Install]
WantedBy = multi-user.target