1[Unit] 2Description=CUPS Scheduler 3 4[Socket] 5ListenStream=@CUPS_DEFAULT_DOMAINSOCKET@ 6ListenStream=[::1]:631 7ListenStream=127.0.0.1:631 8BindIPv6Only=ipv6-only 9ReusePort=true 10 11[Install] 12WantedBy=sockets.target 13