KNOCKER(1)

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

-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 https://knocker.sourceforge.io

BUGS
See the BUGS file in the knocker source package for a list of known bugs. Report bugs to <g.giorgetti@gmail.com>

AUTHOR
knocker is written by Gabriele Giorgetti <g.giorgetti@gmail.com>

COPYRIGHT
Copyright © 2001,2020 Gabriele Giorgetti
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.