Packet Diagrams

ArpSpyX is an ARP packet sniffer that displays a list of IP and MAC addresses found by analyzing ARP traffic on your network. Arp packets are an indicator of what machines are active on your network. ArpSpyX will passively sniff your network for ARP packets and display the IP and MAC address of...

OpenBSD Live-CD Firewall is an OpenBSD-based pf (packet filter) firewall, with DNS, squid, NAT, and a DHCP server (dnsmasq) for internal clients preconfigured. Settings and log files can be saved to a USB device. Saved settings will be restored at the next reboot. Additional security related...

This program is a daemon intended to catch someone installing a rootkit or running a packet sniffer. It is designed to run continually with a small footprint under an innocuous name. When triggered, it sends email, appends to a logfile, and disables networking or halts the system. it is designed...


Platforms: *nix

pflogx is a simple tool that exports OpenBSD packet filter logs to XML files. pflogx reads a binary log file generated by the pf logging daemon (pflogd) and generates a human-readable and exploitable XML file. Using an XSLT processor you can convert this XML file to any other format, such as...


Platforms: *nix

Crypt::OpenPGP::Plaintext is a plaintext, literal-data packet. SYNOPSIS use Crypt::OpenPGP::Plaintext; my $pt = Crypt::OpenPGP::Plaintext->new( Data => $data, Filename => $file, ); my $serialized = $pt->save; my $pt = Crypt::OpenPGP::Plaintext->parse($buffer);...


Platforms: *nix

PacGen is an Ethernet IP TCP/UDP packet generating tool for Linux. Experimental ARP generation is included. Experimental ARP generation is included. This tool enables custom packets with configurable Ethernet, IP, TCP, and UDP layers as well as custom payloads. As an added feature there are...


Platforms: *nix

fwlogwatch is a packet filter / firewall / IDS log analyzer written by Boris Wesslowski originally for RUS-CERT. fwlogwatch supports a lot of log formats and has many analysis options. It also features incident report and realtime response capabilities, an interactive web interface and...


Platforms: *nix

Sniffit is a packet sniffer for TCP, UDP and ICMP packets. sniffit is able to give you very detailed technical info on these packets (SEQ, ACK, TTL, Window etc.) but also packet contents in different formats (hex or plain text). Sniffit was actually the start of my TCP/IP experimental phase. As...


Platforms: *nix

TiVoBridge is a packet repeater for both the TiVo discovery beacon and Multicast DNS (used in ZeroConf, Bonjour, Rendevous, etc.) protocols. The project is intended as a way for TiVo boxes and other devices or programs that use either of those (normally single-subnet) protocols to see each other...


Platforms: *nix

NSH is intended to handle configuration for interfaces, bridging, routing, packet filtering, NAT, and ISAKMP. It presents the user with a vaguely cisco-like interface. It also gives the user access to system information and diagnostics. NSH replaces the userland commands which handle these...


Platforms: *nix

Radical is a simple Radius packet decoder to assist in the debugging of Radius sessions. It accepts the output of the Solaris snoop(1M) command and it is written in Python. language..


Platforms: *nix

FireHOL is a stateful iptables packet filtering firewall configurator. It is abstracted, extensible, easy and powerful. It can handle any kind of firewall, but most importantly, it gives you the means to configure it, the same way you think of it.


Platforms: *nix

FifoEmbed is a thread-safe basic queue, packet queue, and FIFO allocator. When programming device drivers, network stacks, and similar systems, you often need a queue and storage management. FifoEmbed provides three C abstract data types, all implemented on top of circular arrays: - A basic...


Platforms: *nix

KtikZ application can help you to create TikZ (from the LaTeX pgf package) diagrams for your publications. It requires qt4, LaTeX (pdflatex), the LaTeX preview-latex-style package and pgf itself. The tool was just a quick hack for making my life easier. It works fine for me. If youd like to...


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

Gspoof is a GTK+ program written in C language which makes easier and accurate the building and the sending of TCP packet with a data-payload or not. It's possible to modify TCP/IP fields also Ethernet header working to Link Level.


Platforms: Windows, Mac, *nix, C/C++, BSD Solaris

Nast is a packet sniffer and a LAN analyzer based on Libnet and Libpcap. It can sniff in normal mode or in promiscuos mode the packets on a network interface and log it. It dumps the headers of packets and the payload in ascii or ascii-hex format. You can apply a filter. The sniffed data can be...


Platforms: *nix

Fwctl is a Perl module to configure the Linux kernel packet filtering firewall. SYNOPSIS use Fwctl; my $fwctl = new Fwctl( %opts ); $fwctl->dump_acct; $fwctl->reset_fw; $fwctl->configure; Fwctl is a module to configure the Linux kernel packet filtering firewall using higher level...


Platforms: *nix

IPFIRE-wall is an IPv4 Packet Filter with Network Address Translation capabilities. It can be used in desktop systems and in simple network configurations, providing a friendly interface and a simple installation. Also unprivileged users can personalize. Whats New in This Release: Kernel:...


Platforms: *nix

packet2sql converts any text file/log file which contains ipchains packet logs into a stream of SQL inserts. If called with no options, packet2sql will read the log input from stdin. Since syslog dates do not include the year, packet2sql will assign one. If the month of a log entry comes after...


Platforms: *nix