This tool checks if several TCP ports are open on host. This tool sends a TCP SYN to a computer. If host permits TCP, it will send back a TCP SYN-ACK (if port is open), or a TCP RST (if port is closed). This tool also permits to use fake Ethernet and IP addresses.
parameter | description | example |
-i|--ips ips | list/range of IP addresses | 1.2.3.4,5.6.7.8 |
-p|--ports ports | list/range of port number | 123,456 |
-d|--device device | spoof device | Eth0 |
-E|--src-eth eth | source ethernet address | 0:a:a:a:a:a |
-I|--src-ip ip | source IP address | 1.2.3.4 |
-m|--min-ms uint32 | min millisecond delay between packets | 0 |
-M|--max-ms uint32 | max millisecond wait for answers | 0 |
-u|--disp-useful|+u|--no-disp-useful | only display useful info | |
-n|--numtargets uint32 | number of simultaneous targets | 20 |