This is the command knocker that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
knocker - An easy to use network security port scanner
SYNOPSIS
knocker --host <host> [OPTION]
DESCRIPTION
knocker is a simple and easy to use TCP security port scanner written in C using pthreads
which is able to analyze hosts and all of the different services started on them.
OPTIONS
-H, --host
host name or numeric Internet address to scan
-P, --port
port number to scan (single port scan only)
-SP, --start-port
port number to begin the scan from
-EP, --end-port
port number to end the scan at
--last-host
uses the last scanned host as target
--last-scan
performs again the last port scan
-q, --quiet
disable console output and logs to file.
-lf, --logfile <logfile>
log the results to a specified file.
-nf, --no-fency
disable fency output
-nc, --no-colors
disable colored output
--configure
let the user configure knocker
-h, --help
display this help and exit
-v, --version
output version information and exit
EXAMPLES
To run this program the standard way type:
knocker --host 192.168.0.1
If you want to specify a port range to scan:
knocker --host thehost --start-port 1 --end-port 2600
or
knocker -H thehost -SP 1 -EP 2600
To scan a single port:
knocker -H thehost --port 21
To run this program not using colors (if your terminal does not support colors):
knocker --host 192.168.0.1 --no-colors
To run this program run in background and have the results written in a log file:
knocker --host 192.168.0.1 --quiet &
AVAILABILTY
The latest version of this program can be found at http://knocker.sourceforge.net
Use knocker online using onworks.net services