Wireshark - Network Traffic Analyzer
A sniffer is a tool that used to capture the ingoing and outgoing traffic from a wire on a network, it it also called a packet analyser. To get Wireshark on ubuntu type:
sudo apt-get install wireshark
Nessus - Remote network security auditor
Nessus is a world class active vulnerability scanner, nessus is used for multi task such asconfiguration auditing, asset profiling, sensitive data discovery and vulnerability analysis of your security posture. To install Nessus on ubuntu type on terminal:
sudo apt-get install nessus
Nmap - The Network Mapper
Nmap or network mapper is a world class tool to perform network exploration and security auditing, it is a open source and freely available. Administrator also find it useful on network inventory and monitoring host on the network. It can finger print the operating system running on the desired IP. To get Nmap on ubuntu type:
sudo apt-get install nmap
Kismet - Wireless 802.11b monitoring tool
Kismet is a wireless network detector, sniffer and intrusion detection, it is work on data link layer of OSI model. To get Kismet on ubuntu type:
sudo apt-get install kismet
Netcat - TCP/IP swiss army knife
Netcat normally known as swiss army knife, it is used for multi purpose like monitoring of inbond and outbond traffic of TCP and UDP, DNS forward and reverse checking, port scanning etc. To get netcat on ubuntu type:
sudo apt-get install netcat
John the Ripper
John the Ripper is a free and open source password cracker tool, it offers both brute force and dictionary attack. It is used by the administrator to find out the weak passwords. To install john in ubuntu type.
sudo apt-get install john
aSnort - Flexible Network Intrusion Detection System
Snort is network intrusion detection system, we have previously shared a article on intrusion detection clickhere. To install snort on ubuntu type:
sudo apt-get install snort
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