[Unit] Description=Arpwatch daemon which keeps track of ethernet/ip address pairings After=syslog.target network-online.target Wants=network-online.target Documentation=man:arpwatch(8) [Service] Type=simple PrivateTmp=yes EnvironmentFile=-/etc/sysconfig/arpwatch ExecStart=/usr/sbin/arpwatch -u arpwatch -F $OPTIONS Restart=on-failure ProtectProc=invisible CapabilityBoundingSet=CAP_NET_RAW CAP_NET_ADMIN CAP_SETGID CAP_SETUID ProtectSystem=full ProtectHome=true ProtectClock=true ProtectKernelTunables=true ProtectKernelModules=true ProtectControlGroups=true RestrictSUIDSGID=true SystemCallFilter=@system-service SystemCallFilter=~@aio @chown @clock @ipc @keyring @memlock @resources SystemCallArchitectures=native [Install] WantedBy=multi-user.target