Packet Listener

fwknop stands for the "FireWall KNock OPerator", and implements an authorization scheme based around Netfilter and libpcap that requires only a single encrypted packet in order to communicate various pieces of information including desired access through a Netfilter policy and/or complete...

fl0p is a passive L7 flow fingerprinter that examines TCP/UDP/ICMP packet sequences. It can also can peek into cryptographic tunnels, can tell human beings and robots apart, and performs a couple of other infosec-related tricks. This approach differs from the techniques used by most other...

Hafiye is a POSIX-compliant, customizable TCP/IP packet sniffer. When I looked at the source code for various famous sniffers, Ive noticed that they all had all seperate .C files for interpreting various protocols. Why not have a sniffer that can understand user-supplied protocol details? Here it...


Platforms: *nix

The SR-RTP library enables real-time streaming applications (such as streaming MPEG-4 video) to cope with packet loss, variable bandwidth, and variable delay on the Internet. It provides a means for selective retransmission of lost packets in a fashion that is backwards-compatible with RTP....


Platforms: *nix

Frickin PPTP Proxy is a fast PPTP proxy for any BSD system with the OpenBSD packet filter installed. It handles bi-directional tunnels transparently and can be chained from one proxy to another over several servers. Whats New in This Release: - This release fixes an endian issue with echo...


Platforms: *nix

conexus is a generalized C++ I/O library that includes support for BSD sockets, serial/TTY, and packet capture (via pcap). conexus library utilizes sigc++ for object communication. A companion library, conexusgtk, provides a set of gtkmm widgets..


Platforms: *nix

RPCAP is a Remote Packet Capture system. It enables you to run a packet capture program (the server) on a target computer, which will sniff the network traffic on that system, and uplink the captured packets to another host (the client), where the captured packets can be processed, analysed and...


Platforms: *nix

hping is a command-line oriented TCP/IP packet assembler/analyzer. The interface is inspired to the ping(8) unix command, but hping isnt only able to send ICMP echo requests. It supports TCP, UDP, ICMP and RAW-IP protocols, has a traceroute mode, the ability to send files between a covered...


Platforms: *nix

tcptrack provides a packet sniffer that displays TCP connections similarly to top. tcptrack is a packet sniffer, which passively watches for connections on a specified network interface, tracks their states, and lists them in a manner similar to the Unix top command. It displays source and...


Platforms: *nix

MultiMail is an offline mail packet reader for many systems, using a curses-based interface. It supports the Blue Wave, QWK, OMEN, SOUP, and OPX formats..


Platforms: *nix

ByteMon is a MRTG-like network monitoring solution (SNMP, WMI, Packet Filtering), giving administrators real-time information about the condition of networks and servers, while at the same time providing historical data and charts for reporting, resource planning and other administrative...


Platforms: Windows

Network Monitor is a real time network monitoring software packet sniffer software protocol analyzer and data logger tool. This network traffic monitoring software allows you to analyze network data in real time, log network packets data for later analyzing. Using this network packet sniffer/...


Platforms: Windows

Free DBF Viewer (xBaseView DBF Viewer & DBF Converter) supports dBase, Clipper, FoxPro, Visual FoxPro and other DBF file formats. It supports the typical operations for databases, data export/import and SQL queries. In addition, this tool supports viewing Borland Client Data Set, CSV Text, TAB...


Platforms: Windows

Free AthTek NetWalk Home Edition is the ONLY professional free packet sniffing and network monitoring software for home network management. Even you are not so familiar with network management knowledge, you can still easily handle it with the graphic interface. Most of the key items in network...


Platforms: Windows

BATSniff is a simple, small, easy to use application specially designed to offer users an IP packet sniffer and traffic monitor. Basically you just select the adapter and protocol and you're good to go; just let this tool take care of the rest. for WindowsAll


Platforms: Windows

Software serial port monitor Rs232 sniffer with protocol analyzer and packet data logger. This monitoring utility can spy, capture, view, log, analyze, test com ports activity performing com port connection and traffic analysis with data acquisition and control. You can use this system as device...


Platforms: Windows

Software serial port monitor Rs232 sniffer with protocol analyzer and packet data logger. This monitoring utility can spy, capture, view, log, analyze, test com ports activity performing com port connection and traffic analysis with data acquisition and control. You can use this system as device...


Platforms: Windows

Software serial port monitor Rs232 sniffer with protocol analyzer and packet data logger. This monitoring utility can spy, capture, view, log, analyze, test com ports activity performing com port connection and traffic analysis with data acquisition and control. You can use this system as device...


Platforms: Windows

Software serial port monitor Rs232 sniffer with protocol analyzer and packet data logger. This monitoring utility can spy, capture, view, log, analyze, test com ports activity performing com port connection and traffic analysis with data acquisition and control. You can use this system as device...


Platforms: Windows

SharpPcap is a handy packet capture framework specially designed for the .NET environment and based on the famous pcap / WinPcap libraries. It provides an API for capturing, injecting, analyzing and building packets using any .NET language such as C# and VB.NET. At the highest level all...


Platforms: Windows