-
Tcpdump : The classic sniffer for network monitoring and data acquisition Tcpdump is the IP sniffer we all used before Ethereal (Wireshark) came on the scene, and many of us continue to use it frequently. It may not have the…
-
Kismet
Kismet : A powerful wireless sniffer Kismet is an console (ncurses) based 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. It identifies networks by passively sniffing (as opposed to more active tools such as NetStumbler), and can even…
-
Hping2
Hping2 : A network probing utility like ping on steroids This handy little utility assembles and sends custom ICMP, UDP, or TCP packets and then displays any replies. It was inspired by the ping command, but offers far more control…
-
Metasploit Framework
Metasploit Framework : Hack the Planet Metasploit took the security world by storm when it was released in 2004. No other new tool even broke into the top 15 of this list, yet Metasploit comes in at #5, ahead of…
-
Netcat
Netcat : The network Swiss army knife This simple utility reads and writes data across TCP or UDP network connections. It is designed to be a reliable back-end tool that can be used directly or easily driven by other programs…
-
Snort
Snort : Everyone’s favorite open source IDS This lightweight network intrusion detection and prevention system excels at traffic analysis and packet logging on IP networks. Through protocol analysis, content searching, and various pre-processors, Snort detects thousands of worms, vulnerability exploit…
-
Wireshark
Wireshark : Sniffing the glue that holds the Internet together Wireshark (known as Ethereal until a trademark dispute in Summer 2006) is a fantastic open source network protocol analyzer for Unix and Windows. It allows you to examine data from…