Provided by: knocker_0.7.1-4_amd64 
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
BUGS
See the BUGS file in the knocker source package for a list of known bugs. Report bugs to
<g.gabriele79@genie.it>
AUTHOR
knocker is written by Gabriele Giorgetti <g.gabriele79@genie.it>
COPYRIGHT
Copyright © 2001,2002 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.
MAY 24, 2002 KNOCKER(1)