Scan Detect listens on a given TCP port and if any host on the internet connects to that TCP port, Scan Detect uses Ipchains to block that host from connecting to your Linux system.
Simple scAnning Tool
SAT (Simple scAnning Tool) is a simple and fast network scanner. It is used to identify network devices and services. The identification is based on recieved data such as banners.
Springenwerk is a cross site scripting (XSS) security scanner. It finds the most common XSS vulnerabilites by extracting forms and input elements from given Web pages and follows the form action targets to one level. It can check custom HTTP GET and POST data arguments and optionally generates an HTML report file with exploits to demonstrate the vulnerabilites. An easy to use GUI is included.
ssldump is an SSLv3/TLS network protocol analyzer. It identifies TCP connections on the chosen network interface and attempts to interpret them as SSLv3/TLS traffic. When it identifies SSLv3/TLS traffic, it decodes the records and displays them in a textual form to stdout. If provided with the appropriate keying material, it will also decrypt the connections and display the application data traffic.
sslyze is a cross-platform tool to analyze the configuration of SSL servers. It supports cipher suites scanning, insecure renegotiation verification, session resumption testing, client certificates, and more.
Sussen is a tool that checks for vulnerabilities and configuration issues on computer systems. It is based on the Open Vulnerability and Assessment Language.
Synscan is a fast asynchronous half-open port scanner. This tool will send TCP packets with the SYN flag to any block of destination addresses at very high speed. Synscan endeavors to send traffic as fast as the host network interface can support.
TN-GW-Scan is a scanner for scanning telnet proxies. It is implemented using FWTK.
UMIT is an nmap frontend. It is meant to be an nmap frontend that is really useful for advanced users and easy to used for newbies. With UMIT, a network admin can create scan profiles for faster and easier network scanning and can even compare scan results to see any changes easily. A regular user will also be able to construct powerful scans with UMIT command creator wizards.
Unhide.rb finds hidden processes on your system. It looks for active processes in many different ways.
Unicornscan is an information gathering and correlation engine built for and by members of the security research and testing communities. It was designed to provide an engine that is Scalable, Accurate, Flexible, and Efficient. Read more
xNetTools is composed of several scanning utilities used to determine if certain services are available across a range of addresses. It also contains several other graphical utitilies such as finger, whois, and portscan.
XPortScan is a fast port scanner. It uses multiple threads to speed up scans, it has logging capabilities, along with some other nice little features.