GNUPG- Gnu Privacy Guard - An open source OpenPGP compatible encryption system. Provides data integrity services for messages and data files by using digital signatures, encryption, and compression. Cistron RADIUS Server - An authentication and accounting server for terminal servers that speak the RADIUS protocol. BitDefender Linux Edition v.7.0 (for Workstations) - Free effective anti-virus security solution for systems running Linux; free updates of all signature files and high scanning speed. JunkBuster - Freeware for Unix/Linux/FreeBSD/OS2/BeOS/Windows 95/98/ME/NT4. Web proxy that filters banner ads, cookies, and referer tracking. Supports wafers and User-Agent spoofing. DeleGate - An application-level gateway server. Dante - A circuit-level firewall and proxy that can be used to provide convenient and secure network connectivity to a wide range of hosts. Very similar to a SOCKS implementation. ipgrab - A packet sniffing tool, based on the Berkeley packet capture library; that prints complete data-link, network, and transport layer header information for all packets it sees. ippl - IP Protocols Logger - Performs logging of incoming IP packets by utilizing a multi-threaded approach. Administrators can perform filtering of captured packets. ADMsmb - A network scanner that detects Microsoft Windows shares using the SMB protocol. CIPE - A Crypto IP Encapsulation project. Offers a protocol that passes encrypted packets between prearranged routers in the form of UDP packets. FreeTDS - Free Tabular DataStream package. Tabular DataStream is a client-to-database server protocol in SyBase and Microsoft SQL database implementations. Deception Toolkit - Performs emulation of other operating systems and vulnerabilities not found on the host; in order to deceive and solicit invalid attempts of exploitation by malicious individuals. EPAN - Ethernet Protocol Analyzer - A protocol analyzer that supports ethernet, Token Ring, SLIP, PPP, ISDN, and loopback. icmpquery - icmpquery is a tool for sending and receiving ICMP queries for the destinations address mask and current time. IPTraf - IPTraf is a console-based network statistics utility that gathers TCP connection paket and byte counts, interface statistics, and activity indicators. Also captures all TCP/UDP packets. COLD - Protocol LAN analyzer that can monitor various interfaces: ISDN, PPP, Token Ring, standard: loopback, 10baseT Ethernet. Etherboot - Free software package for booting x86 PCs over networks. Fake - Allows the user to take over the IP address of another machine in the user's LAN via ARP spoofing. Hping - A network scanner that uses spoofed source address packets. Mainly used to test firewall rules and to perform advanced TCP/IP related attacks like the idle scan.