Packet Blocksize

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...

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...

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

Pdump project (Packet dump) is a network packet sniffer. Installation: The simplest way to compile this package is: 1. `cd to the directory containing the packages source code and type `./configure to configure the package for your system. If youre using `csh on an old version of System V,...


Platforms: *nix

Hogwash is an inline packet scrubber that uses Snorts detection engine to drop malicious packets before they reach the target. The original version of what is now hogwash was written in 1996 while I was at Idaho State University. I had a web server that when patched, broke the software it...


Platforms: *nix

Uruk is an iptables firewall script that is useful if you need similar packet filtering configurations on multiple machines. It uses a template file for source addresses and network services. Next are the generic installation instructions. The `configure shell script attempts to guess correct...


Platforms: *nix

Userfriendly Iptables Frontend provides a tool for generating optimized packet filter rules. The Userfriendly Iptables Frontend is used to generate optimized iptables packet filter rules, using a simple description file specified by the user. Generated rules are provided in iptables- save...


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

cdpr is used to decode a Cisco Disovery Protocol (CDP) packet, by default it will report the device ID, the IP Address (of the device), and the port number that the machine is connected to. Optionally it will decode the entire CDP packet. This version provides the ability to include a timeout...


Platforms: *nix

SekHost is a host based firewall and packet prioritization utility for Linux systems. The configuration is simple yet powerful functionality is available. Installation of sekhost is very straightforward and actually only requires 2 things; the sekhost script itself, which is in the src...


Platforms: *nix

packETH is a Linux GUI packet generator tool for ethernet. The project allows you to create and send any possible packet or sequence of packets on the ethernet..


Platforms: *nix

jNetPcap project is a Java wrapper around the Libpcap network packet capture library. The low-level API is exposed in Java, which allows kernel buffer tuning, flags, and other features. All captured packet buffers are wrapped, not copied, in efficient java.nio.ByteBuffer and delivered to Java...


Platforms: *nix

interfaceTrafcalc calculates the size of the TCP-payload on a system via packet capturing and connection tracking at the user level instead of the IP level. The program uses a pcap (a library for Packet CAPturing) callback function which is called for every incoming (tcp) packet. This function...


Platforms: *nix

nf-HiPAC is a full featured packet filter for Linux which demonstrates the power and flexibility of HiPAC. HiPAC is a novel framework for packet classification which uses an advanced algorithm to reduce the number of memory lookups per packet. nf-hipac package is ideal for environments involving...


Platforms: *nix

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...


Platforms: *nix

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...


Platforms: *nix

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