  |
http://iptraf.seul.org/ - http://iptraf.seul.org/
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. |
| |
http://www.ipv4.it/cold/ - http://www.ipv4.it/cold/
Protocol LAN analyzer that can monitor various interfaces: ISDN, PPP, Token Ring, standard: loopback, 10baseT Ethernet. |
| |
http://www.vergenet.net/linux/fake/ - http://www.vergenet.net/linux/fake/
Allows the user to take over the IP address of another machine in the user's LAN via ARP spoofing. |
| |
http://www.inet.no/dante/ - http://www.inet.no/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. |
| |
http://mason.stearns.org/ - http://mason.stearns.org/
Tool that interactively builds a firewall using ipfwadm, ipchains, or netfilter/iptables firewalling. [GPL] |
| |
Razorback - http://www.intersectalliance.com/projects/RazorBack/
A log analysis program that interfaces with the SNORT open source Intrusion Detection System to provide real time visual notification when an intrusion signature has been detected on the network. |
| |
Deception Toolkit - http://all.net/dtk/download.html
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. |
| |
DrawBridge - http://drawbridge.tamu.edu/
A BSD-based firewall with source included. This binaries main value is that it is perfect for beginners learning how firewalls are developed. |
| |
ippl - IP Protocols Logger - http://pltplp.net/ippl/
Performs logging of incoming IP packets by utilizing a multi-threaded approach. Administrators can perform filtering of captured packets. |
| |
http://ipgrab.sourceforge.net/ - http://ipgrab.sourceforge.net/
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. |
| |
DeleGate - http://www.delegate.org/delegate/
An application-level gateway server. |
| |
EPAN - Ethernet Protocol Analyzer - http://www.et-inf.fho-emden.de/~tobias/epan/
A protocol analyzer that supports ethernet, Token Ring, SLIP, PPP, ISDN, and loopback. |
| |
icmpquery - http://www.angio.net/security/
icmpquery is a tool for sending and receiving ICMP queries for the destinations address mask and current time. |
| |
http://www.stadrin.com - http://www.stadrin.com
Strong user authentication and access control for Linux environments in a fully integrated system using PAM modules. |
 |
http://members.tripod.com/~robel/dni/dniadm.html - http://members.tripod.com/~robel/dni/dniadm.html
Adds the ability for a network administrator to set packet filtering rules via a web page interface. unsecure from an external source, but very easy to use for intranet management. |