A simple port scanner in bash, for when you dont have nmap available.
cbps.sh -i [Target IP addresses/hostnames] {-m <Scan mode> | -p [Ports to scan]} -o <Output file name (Without extension)> -q -s
-i [IP address list] Comma seperated list of IP addresses (or hostnames) to scan.
-m <quick|full> Scanning mode, quick scans only most popular ports, full scans all ports (1-65535).
-p [Port numbers] Comma seperated list of ports to scan, can also be used with with -m quick.
-q Quiet mode, prints no output to terminal.
-s Skip ping scan of hosts
-o <Output filename> Scan results will be saved to <Output filename>.json in the current directory.
If not set, the output will be printed to the console in json format
Examples:
Scan ports 22 and 80 of 1.2.3.4 and save output to outputFile.json
cbps.sh -i 1.2.3.4 -p 22,80 -o outputFile
Scan both 1.2.3.4 and 127.0.0.1 for most common ports and print output to console
cbps.sh -i 1.3.4.5,127.0.0.1 -m q
Scan all for all possible ports on stackexchange.com and save to file stackexchange.json
cbps.sh -i stackexchange.com -m f -o stackexchange