TCPdump is a very powerful command line interface packet sniffer.
1. Install TCPDUMP
- To install TCPdump :
#apt-get install tcpdump

- To see the TCPdump dependencies:
#apt-cache depends tcpdump
tcpdump
Depends: libc6
Depends: libpcap0.8
Depends: libssl0.9.8

- To see the installed TCPdump version:
# apt-cache policy tcpdump
tcpdump:
Installed: 3.9.5-2etch1
Candidate: 3.9.5-2etch1
Version Table:
*** 3.9.5-2etch1 0
500 http://kambing.vlsm.org stable/main Packages
500 http://security.debian.org stable/updates/main Packages
100 /var/lib/dpkg/status
Continue Reading Tutorial TCPdump

htaccess is a way to password protect directories. It can also be used to give user or group specific access to directories. This guide will tell you how to setup apache for htaccess and to set up basic protection. Let’s begin.

Open up /etc/apache2/sites-available/default

# vim /etc/apache2/sites-available/default

Continue Reading Protect a Directory on Your Website with htaccess and htpasswd

Minicom is a serial communication program to access a network or security device through its console port.
This tool is similar to Hyper Terminal, which is by default available on a Microsoft Windows system.
Let’s install Minicom:

#apt-get install minicom

Continue Reading Minicom Tutorial

Knocker is a new, simple, and easy to use TCP security port scanner written in C, using threads. It is able to analyze hosts and the network services which are running on them.

Install knocker

#apt-get install knocker

Continue Reading Knocker Tutorial



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