Eye/docs/systemd/nfcapd-1.7@.service

[Unit]
Description=Traffic collector nfcapd 1.7 for %I
After=syslog.target network-online.target

[Service]
Type=forking
EnvironmentFile=/etc/nfcapd/%i.conf
ExecStart=/usr/bin/nfcapd -w ${DATA_DIR} -z -D -S 1 -t 600 -P /run/nfcapd/nfcapd.%i.pid -p ${LISTEN_PORT} -x ${EXT}
CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_NET_RAW CAP_SETGID CAP_SETUID CAP_SETPCAP
PermissionsStartOnly=true
User=tcpdump
Group=tcpdump
RuntimeDirectory=nfcapd
RuntimeDirectoryMode=0770
PIDFile=/run/nfcapd/nfcapd.%i.pid
RestartSec=30
Restart=on-failure

[Install]
WantedBy=multi-user.target