NmapScannmap扫描一下ipnmap-sT-sV-O-Pn10.10.11.35Nmapscanreportfor10.10.11.35Hostisup(0.012slatency).Notshown:989filteredtcpports(no-response),1filteredtcpports(host-unreach)PORTSTATESERVICEVERSION25/tcpopensmtp?