1.Nessus
Nessus is a program to find a weakness in a computer system. According to the official website at www.nessus.org, this tool has been used by more than 75,000 organizations and companies around the world.
2.Snort
Snort is an IDS, which is a tool to prevent and detect attacks on computer systems. Vendors from Snort claim that this tool has been downloaded millions of times from their site. You may be interested to try it, please download this tool at www.snort.org.
3.Kismet
Kismet is a tool to detect wireless connection (traffic supports 802.11b, 802.11a, and 802.11g), capture packets in a network system and become an IDS (intrusion detection system).
To find out more about kismet, you can visit the site http://www.kismetwireless.net or go to irc.freenode.net # kismet.
4.Metasploit Framework
Metasploit Framework is an open source project for developing, testing and using exploit code. Created with Perl language as the foundation and consists of basic and supplementary components that have been compiled with the C language, assembler, and Python. Metasploit Framework can run on UNIX operating systems, Linux and Windows. A more detailed description can you find in http://www.metasploit.com.
5.Netcat
Netcat is a networking tool utility that can read and write data on a network connection via TCP / IP protocol.
Features found on Netcat include:
1. Outgoing and incoming connections via UDP or TCP protocol to port ..
2. Tunneling mode, tunneling from UDP to TCP, to map the network parameters (source port / interface, listening port / interface, and allows remote hosts to connect to the tunnel)
3. Port scanners, to detect an open port.
4. Buffered send-mode and hexdump RFC854 telnet.
6.Hping
Hping is a versatile tool. This tool can be used to test the ability of a firewall, look for open ports, network security testing using various protocols, operating system information, evaluates the TCP / IP.
7.TCPDump
Tcpdump is also a sniffer. Network administrators use this tool to monitor traffic and analyze the problem if an interruption occurs. According to information in http://www-iepm.slac.stanford.edu/monitoring/passive/tcpdump.html, tcpdump uses the packet filter from BSD UNIX to capture data (BPF / BSD Packet Filter). BPF received a copy of the driver tcpdump paket.Pengguna sender and receiver can also filter packets in accordance with the desire.
8. John The Ripper
A password cracker from hackers era ancestor who was a top 10 favorite tools. Here is a description of the author John The Ripper.
“John the Ripper is a password cracker, currently available for UNIX, DOS, WinNT/Win95. Its primary purpose is to detect weak Unix passwords. It has been tested with x86/Alpha/SPARC Linux, FreeBSD x86, OpenBSD x86, Solaris 2.x SPARC and x86, Digital UNIX, AIX, HP-UX, and IRIX. ”
9. Cain And Abel
Cain & Abel is a tool for password problems. This tool can collect passwords by sniffing the network method, cracking passwords using Dictionary attacks, Brute-Force and Cryptanalysis attacks, recording VoIP conversations (Voice Over Internet Protocol), cracking a wireless network, analyze traffic in the network. www.oxid.it
10. Wireshark / Ethereal
Wireshark / Ethereal is a tool to analyze network protocols. Also functions as a sniffer. Monitor Internet traffic. Wireshark
can run on Windows, MAC OS X, and Linux. www.wireshark.org
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