Project aims to provide to the internet community a free, powerful,
up-to-date and easy to use remote security scanner for Linux, BSD,
Solaris, and other flavors of Unix.
||Ethereal is a free network
protocol analyzer for Unix and Windows. Ethereal has several
powerful features, including a rich display filter language and the
ability to view the reconstructed stream of a TCP session.
||Snort is an open source network
intrusion detection system, capable of performing real-time traffic
analysis and packet logging on IP networks.
||Netcat has been dubbed the
network swiss army knife. It is a simple Unix utility which reads
and writes data across network connections, using TCP or UDP
||TCPdump is the most used network
sniffer/analyzer for UNIX. TCPTrace
analyzes the dump file format generated by TCPdump and other
||Hping is a command-line oriented
TCP/IP packet assembler/analyzer, kind of like the “ping”
program (but with a lot of extensions).
||DNSiff is a collection of tools
for network auditing and penetration testing. dsniff, filesnarf,
mailsnarf, msgsnarf, urlsnarf, and webspy passively monitor a
network for interesting data (passwords, e-mail, files, etc.).
||GFI LANguard Network Security
Scanner (N.S.S.) automatically scans your entire network, IP by IP,
and plays the devil's advocate alerting you to security
||Ettercap is a multipurpose
sniffer/interceptor/logger for switched LAN. It supports active and
passive dissection of many protocols (even ciphered ones)and
includes many feature for network and host analysis.
||Nikto is an Open Source (GPL) web
server scanner which performs comprehensive tests against web
servers for multiple items, including over 2500 potentially
dangerous files/CGIs, versions on over 375 servers, and version
specific problems on over 230 servers.
||John the Ripper is a fast
password cracker, currently available for many flavors of Unix.
||OpenSSH is a FREE version of the
SSH protocol suite of network connectivity tools, which encrypts all
traffic (including passwords) to effectively eliminate
eavesdropping, connection hijacking, and other network-level
||Tripwire is a tool that can be
used for data and program integrity assurance.
||Kismet is an 802.11 wireless
network sniffer - this is different from a normal network sniffer
(such as Ethereal or tcpdump) because it separates and identifies
different wireless networks in the area.
||NetFilter and iptables are the
framework inside the Linux 2.4.x kernel which enables packet
filtering, network address translation (NAT) and other
||IP Filter is a software package
that can be used to provide network address translation (NAT) or
||OpenBSD Packet Filter
||fport identifys all open TCP/IP
and UDP ports and maps them to the owning application.
||SAINT network vulnerability
assessment scanner detects vulnerabilities in your network's
security before they can be exploited.
||OpenPGP is a non-proprietary
protocol for encrypting email using public key cryptography. It is
based on PGP as originally developed by Phil Zimmermann.