检测主机 nmap www.baidu.com Nmap scan report for www.baidu.com (61.135.169.121) Host is up (0.0069s latency). Other addresses for www.baidu.com (not scanned): 61.135.169.125 2408:80f0:410c:1d:0:ff:b07a:39af 2408:80f0:410c:1c:0:ff:b00e:347f Not shown: 998 filtered ports PORT STATE SERVICE 80/tcp open http 443/tcp open https Nmap done: 1 IP address (1 host up) scanned in 4.11 seconds 扫描全部端口检测本机哪些端口开放，外部机器亦可 nmap -p 1-65535 127.0.0.1 Nmap scan report for localhost (127.0.0.1) Host is up (0.000047s latency). Not shown: 65533 closed ports PORT STATE SERVICE 631/tcp open ipp 1001/tcp open webpush Nmap done: 1 IP address (1 host up) scanned in 1.69 seconds 检测指定端口 nmap -p 8080,1001 127.0.0.1 Starting Nmap 7.60 ( https://nmap.org ) at 2020-08-07 17:51 CST Nmap scan report for localhost (127.0.0.1) Host is up (0.000057s latency). PORT STATE SERVICE 1001/tcp open webpush 8080/tcp closed http-proxy Nmap done: 1 IP address (1 host up) scanned in 0.02 seconds 检测多个ip nmap 1.1.1.1 8.8.8.8 nmap -p 1.1.1.1,2,3,4 检测指定网段 nmap -p 8.8.8.0/28 8.8.8.1 到 8.8.8.14 nmap 8.8.8.* 8.8.8.1 到 8.8.8.256 nmap -p 8.8.8.* --exclude 8.8.8.1 检测常用端口 nmap --top-ports 20 192.168.1.106 检测文件中每行的ip nmap -iL list.txt list.txt 192.168.1.106 cloudflare.com microsoft.com securitytrails.com nmap -A -T4 www.baidu.com nmap -sV www.baidu.com tcp扫描 nmap -sT www.baidu.com udp扫描 sudo nmap -sU www.baidu.com
https://securitytrails.com/blog/top-15-nmap-commands-to-scan-remote-hosts