Icmp Packets

COM library for Visual Basic 6, allowing to create custom ping and traceroute implementations. Platforms: Windows

Performance Pinging, a tool for testing availability, response times and performance using ICMP. Writes data to a text file for later interpretation with a spreadsheet such as Excel. Allows you to change IP address, ICMP timeout and data size during runtime. Comes with a nice little graph for... Platforms: Windows

Stop nasty hackers from listening in on all your packets. Platforms: Windows

Port Analyzer is a free network port analyzer software, it can capture and transmit all network data packets bypassing the protocol stack, provide packet capture and network analysis for the Windows platforms, developed by PortAnalyzer.com and released as one freeware, be free for everyone use,... Platforms: Windows

FIAIF is an Intelligent Firewall. Unlike many other scripts, FIAIF can be truly customized allowing multiple interfaces (or rather zones). There is no limit on the number of zones. All configuration is done through configuration files. There is no need to understand the script behind it all.... Platforms: *nix

Rogue Detect sends DHCPDISCOVER packets to the network and listens for DHCP servers to respond. It can run continuously as a daemon, or do a single probe and quit. Its written in Perl and can be easily extended to take any action you can think of in response to an unknown DHCP server (send... Platforms: *nix

Hogwash Light BR is an Intrusion Prevention System that can filter packets directly in the layer 2 of the OSI model (so the machine doesnt need even an IP address). Detection of malicious/anomalous traffic is done by rules based in signatures, and the user can add more rules. It is an efficient... Platforms: *nix

layer7-firewall provides an easily configured layer seven firewall. layer7-firewall is an easily configured layer seven firewall. It boots from a CD, using a floppy disk for data storage. Layer7-firewall is a firewall which filters data in layer7 OSI model and has implemented QoS. Netfilter... Platforms: *nix

Useful Traffic Accounting Dragon is a traffic accounter that actually gives useful information about traffic instead of stupidly counting incoming/outgoing packets. Dragon accounts traffic by user, program and timestamp and puts this information into useful correlation. Dragon is implemented... Platforms: *nix

RADIUS::Packet is an object-oriented Perl interface to RADIUS packets. SYNOPSIS use RADIUS::Packet; use RADIUS::Dictionary; my $d = new RADIUS::Dictionary "/etc/radius/dictionary"; my $p = new RADIUS::Packet $d, $data; $p->dump; if ($p->attr(User-Name eq "lwall") { my $resp = new... Platforms: *nix

Web Interface for SIP Trace is a PHP Web Interface that permits you to connect on a remote host/port and listen/filter. Web Interface for SIP Trace was born as a prof concept of the idea to capture SIP traffic from a remote host (SIP Proxy, Gateway, etc) and show up alive SIP messages about an... Platforms: *nix

Nest provides a secure IP VPN cryptographically protected packet tunnel. Nest is a secure IP VPN tunnel for FreeBSD. It connects two LANs over an insecure WAN. Nest works on the IP packet level. Its features include packet authentication and integrity checking (with 96-bit SHA1-derived HMAC),... Platforms: *nix

NetSplitter is a ( user-level ) network load-balance. It is like a transparent-proxy and will balance ( output ) TCP connections on multiples links. Linux NAT add/remove code is incomplete. NetSplitter will use the system() function to run the iptables to handle this. Step 1) IPTABLES Tell... Platforms: *nix

IPTables log analizer displays Linux 2.4 iptables logs (rejected, acepted, masqueraded packets...) in a nice HTML page (it support rough netfilter logs but also Shorewall and Suse Firewall logs). This page shall be easy to read and understand to reduce the manual analysis time. This page... Platforms: *nix

Deep Network Analyzer is an flexible, open and extensible deep network analyzer (software server) and architecture for gathering and analyzing network packets, network sessions and applications protocols, passively off enterprise class networks. DNA is designed to be used for Internet Security,... Platforms: *nix

DNA (Deep Network Analyser) is an open, flexible, and extensible deep network analyzer server and software architecture for passively gathering and analyzing network packets, network sessions, and applications protocols. Deep Network Analyser project is designed to be used for Internet... Platforms: *nix

ngrep project strives to provide most of GNU greps common features, applying them to the network layer. ngrep is a pcap-aware tool that will allow you to specify extended regular or hexadecimal expressions to match against data payloads of packets. It currently recognizes TCP, UDP, ICMP, IGMP... Platforms: *nix

In an effort to be able to play Halo 2 with some out of state friends, I wrote an xbox system link proxy that would essentially bridge only xbox network traffic across across layer 3 networks using UDP. Written in C and uses libpcap and libnet. A later update added multicast support so Apples... Platforms: *nix

Pixilate is a commandline packet generation utility that reads Cisco PIX 6.2x or Cisco IOS ACLs as input and generates the appropriate packets. pixilate is currently capable of generating TCP/UDP/ICMP (various ICMP types), and IGMP utilizing the Libnet 1.1.x library available from... Platforms: *nix

Arphound project is a tools that listens to all traffic on an ethernet network interface, and reports IP/MAC address pair, as well as events such as IP changes, IP conflict, IP addresses with no RDNS, various ARP spoofing, and packets not using the expected gateway. Reporting is done to stdout,... Platforms: *nix