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GitUrl GitUrl provides a Tiny URL-like service. Given a URL, it will produce a shorter URI which is easier to remember, paste, or write down. It is a simple CGI program that relies on a Web server, git, and a shell. new tunctl tunctl is a small tool for controlling Linux TUN/TAP devices. TUN/TAP devices are virtual network devices where software emulates the wire. new Addjob Addjob lets you distribute jobs over a network. You just run "addjob-server", and then submit jobs like "addjob gcc -c foo.c". You can still interact with your program via the command line, and exit-codes are preserved, so it integrates well with Makefiles. aggregate aggregate is a tool for aggregating CIDR networks. Input is read from stdin and output is written to stdout. It undestands IPv4 networks represented as network/prefix, network/netmask and start_address - end_addres. It is able to read input in any one of these formats and output in the same or a different format. ahcpd Ahcpd is an implementation of the Ad-Hoc Configuration Protocol (AHCP), an IPv6 stateless configuration protocol for cases where standard auto-configuration and DHCPv6 don't work, such as mesh networks. Amrita VPN Amrita VPN is an easy-to-use open source VPN solution that runs on the GNU/Linux platform. The implementation is fully in userspace and requires no kernel patches or enhancements. It uses openssl library for strong encryption and authentication through SSLv3. arp-scan arp-scan sends ARP (Address Resolution Protocol) queries to the specified targets, and displays any responses that are received. It allows any part of the outgoing ARP packets to be changed, allowing the behavior of targets to non-standard ARP packets to be examined. The IP address and hardware address of received packets are displayed, together with the vendor details. These details are obtained from the IEEE OUI and IAB listings, plus a few manual entries. It includes arp-fingerprint, which allows a system to be fingerprinted based on how it responds to non-standard ARP packets. Authentic Authentic is a Liberty-enabled identity provider aiming to address a broad range of needs, from simple to complex setups. Its Liberty compliance relies on Lasso, a free software implementation of the Liberty Alliance specifications. It is a quixote application and is commonly run inside the Apache Web server. authz-tools authz-tools is a set of tools to manipulate authz files (as used by mod_authz_svn). BindConfig BindConfig is a tool to reduce the error prone work of maintaining BIND's zone files. BongoSurfer BongoSurfer is a least-cost router for Linux, like the Smartsurfer program for Windows. It allows you to connect to the Internet with a 56k modem or ISDN, and chooses the cheapest provider for you. Brcontrol Brcontrol is a set of patches to allow some interaction between a IDS and a firewall (currently snort and linux netfilter) It can help in the creation of aggresive honeypots or other advanced firewall and ids configurations. In can also work as a bridge. cdpr cdpr shows the switch and port that a machine is connected to, provided that the device supports CDP. It can also optionally decode the full CDP packet. CentralNic Toolkit The CentralNic Toolkit is CentralNic's system for instantaneous Registry-Registrar Communications. Registrars can use this system to register and modify domain names in real time, with no delays for human intervention or e-mail processing. The toolkit also provides advanced and efficient methods for searching for and querying domain names and whois records, and retrieving account information. cflowd cflowd is a flow analysis tool currently used for analyzing Cisco's NetFlow enabled switching method. The current release includes the collections, storage, and basic analysis modules for cflowd and for arts++ libraries. This analysis package permits data collection and analysis by ISPs and network engineers in support of capacity planning, trends analysis, and characterization of workloads in a network service provider environment. chaostables chaostables is a package with iptables/netfilter targets that will foil network scanners. Documentation on how it works and how to reimplement it in userspace are also provided. Collink Collink is a link extractor/collector based on Qt library. It saves list of links as plain text or better as a Downloader for X list providing different names for files to save. comserv comserv allows you to talk to a network terminal server such as a Xyplex MAXserver 1600. The handy thing about this program is that the client side of the connection does not need to know anything about how to talk to the terminal server. COMSERV handles the connection details. conserver Conserver is an application that allows multiple users to watch a serial console at the same time. It can log the data, allows users to take write-access of a console (one at a time), and has a variety of bells and whistles to accentuate that basic functionality. The idea is that conserver will log all your serial traffic so you can go back and review why something crashed, look at changes (if done on the console), or tie the console logs into a monitoring system (just watch the logfiles it creates). czxNetSwitch czxNetSwitch is a profile based network manager. It allows users to create different profiles for their network configuration and easily switch between them. dbxbandmin dbxbandmin collects traffic via ipchains/iptables/ipfwadm-rules and writes the data into an Interbase database. Dedalo Dedalo allows the automatic drawing of the topology of a Cisco network utilizing CDP and SNMP. diald-top diald-top maintains a top-like listing of all packets and their time to live for use with diald. It uses named pipes for communication. Domain Hunter Domain Hunter is a simple application to monitor the state of a list of domain names. Changes in the status of a monitored domain can be sent to an email address or the domain information can be obtained on demand through a Web interface. Only the .com and .net top-level domains are currently supported. DOmain Tracking Made Easy DOmain Tracking Made Easy is a domain tracker. It's written in C and has a web interface in PHP and a MySQL DB backend. Its purpose is to make domain management easier. dotXyGTK dotXyGTK automatically downloads a selected class of pics from the net. dotXyGTK uses plug-ins to traverse various sites in search for pictures and Internet protocols. DrKnock DrKnock is a Dynamic Port Knocking solution based on sig2knock. e-U Connect e-U Connect is a WPA Supplicant text mode user interface based on bash+dialog for connecting to the e-U network (www.e-u.pt) under Linux. Enca Enca is an Extremely Naive Charset Analyser. It detects character set and encoding of text files and can also convert them to other encodings. The charset detecing functionality is also available as a library. Engine_pkcs11 Engine_pkcs11 is an implementation of an engine for OpenSSL. It can be loaded using code, config file, or command line and will pass any function call by openssl to a PKCS#11 module. Feedbackd Feedbackd is an add-on to the Linux Virtual Server project (LVS) to provide dynamic feedback of server health. flapjack flapjack is a command line utility to control the Belkin USB KVM switch with audio. It can flip just video, just audio, or both. flowd flowd is a small, fast, secure, and featureful NetFlow collector. It supports NetFlow versions 1, 5, 7, and 9 over IPv4 and IPv6 transports, IPv6 flows (using NetFlow 9), filtering and tagging of received flows using a packet filter-like language, Perl and Python APIs, flexible storage (with run-time selection of which NetFlow fields are stored), reception of multicast flow datagrams, and privilege separation for security. The flowd distribution also includes a set of supplemental tools including analysis and SQL database support. furl furl is a small utility designed to display the HTTP headers returned by web-servers in response to client requests. FWdoc FWdoc is a vendor-independent standard of storing firewall ruleset configurations. We provide tools to extract the ruleset from proprietary formats into FWdoc format (in JSON), filter rules and objects, and export them into a number of other formats. Gabriel Gabriel is a simple utility to enable D-Bus clients to connect to a D-Bus daemon running on a remote machine, through SSH. GASNet GASNet (Global-Address Space Networking) is a language-independent low-level networking layer that provides network-independent, high-performance communication primitives tailored for implementing parallel global-address space SPMD languages such as UPC, Titanium, and Co-Array Fortran. The interface is primarily intended as a compilation target and for use by runtime library writers (as opposed to end users), and the primary goals are high performance, interface portability, and expressiveness. GBIND Admin GBIND Admin is an easy to use GTK+ frontend for ISC BIND. It handles multiple domains and can switch from master to slave domain in three clicks. It can change the domain name for entire domains and subdomains, including domain resources such as MX, A, AAAA, CNAME, and NS. gbPPTPclient gbPPTPclient is a graphical interface to the PPTP VPN client for Linux. GNS-3 GNS-3 is a graphical network simulator that allows you to design complex network topologies. You may run simulations or configure devices ranging from simple workstations to powerful Cisco routers. It is based on NS-3, a discrete-event network simulator for Internet systems, and Dynamips, an IOS emulator which allows users to run IOS binary images from Cisco Systems. gressgraph gressgraph produces a graph of your iptables ruleset using Graphviz. You can use the graph to look for vulnerabilities or redundancies, get a "feel" for a network, or showcase your firewall. Gspoof 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. Gtk Netware Client Gtk Netware Client is a graphical client for Novell Netware. It's mainly a frontend to ncpfs tools. This client provides graphical login bringing up netware file systems exported for your server , along with the ability to bring up print services in the future. GTP' server simulator GTP' server simulator is a simple responder for the GTP' (GTP prime) protocol that works with the Cisco Content Services Gateway to provide per-user traffic limits. gURLChecker gURLChecker is a graphical web sites checker for GNU/Linux and other POSIX OS. It can work on a whole site, a single local page or a browser bookmarks file. gXiso gXiso is a GTK2 program to extract and/or upload xbox iso images to xbox. hamachi-gui hamachi-gui is a graphical user interface (GUI) for the zero configuration VPN client Hamachi. The official client for Linux has only a command line interface. hamachi-gui provides a user friendly GUI with comparable features and more. Hegons HEGONS is a HEterogeneous Grooming Optical Network Simulator that supports mixed routing and wavelength assignment algorithms and optional wavelength conversions capability on each node. The goal of Hegons is the evaluation of different dynamic routing and wavelength assignment (RWA) algorithms in WDM optical networks in terms of several measures such as: call blocking probability, fairness (variance in blocking probability), call setup time, etc. Howl Howl is a cross-platform implementation of the Zeroconf networking standard. Zeroconf brings a new ease of use to IP networking. HTTP Time Protocol HTTP Time Protocol is a time synchronization tool that uses Web server responses (HTTP headers) instead of the NTP protocol. It works through proxy servers and with HTTPS sites. It is especially useful for strongly firewalled machines. IANA /etc Files The iana-etc package provides the Unix/Linux /etc/services and /etc/protocols files. ifchk ifchk is a network interface promiscuous mode detection tool written with both security and system administrative applications in mind. It report on the operational state (PROMISC, normal, down, etc) of each interface attached to the system, shutdowns all interfaces running in promiscuous mode, if told to do so, provides reports and logs. imsptool imsptool is a command line tool to communicate with an IMSP server. In particular, it allows you to create, delete, import, and export address books. imsptool imports and exports using the LDIF format. Netscape Messenger and LDAP directory servers such as OpenLDAP use this file format directly. inetutils inetutils is a collection of common networking utilities and servers including ftp, ftpd, rcp, rexec, rlogin, rlogind, rsh, rshd, syslog, syslogd, talk, talkd, telnet, telnetd, tftp, tftpd, and uucpd. iodine iodine is a piece of software that lets you tunnel IPv4 data through a DNS server. This can be useful in situations where Internet access is firewalled, but DNS queries are allowed. It needs a TUN/TAP device to operate. IRRToolSet IRRToolSet is a set of policy analysis tools, written in C++. It's designed to run under UNIX, using Tcl/Tk for graphics. There are tools for generating router configuration files, displaying and checking routes, generating aggregations of networks, etc. This project was formerly known as the Routing Arbiter ToolSet (RAToolset), and was maintained by ISI. Khttrack Khttrack is a easy-to-use offline browser utility with Kde Wizard Interface. It allows you to download a World Wide Web site from the Internet to a local directory, building recursively all directories, getting HTML, images, and other files from the server to your computer. kio_fish kio_fish is a kioslave for KDE 2/3 that lets you view and manipulate your remote files using just a simple shell account and some standard unix commands on the remote machine. kio_gopher kio_gopher is a gopher kioslave. Kioslave is a KDE technology that allows KDE programs to access a given protocol. Gopher is an Internet protocol similar to HTTP with only text and links. KLinkStatus KLinkStatus is a KDE link checker. It is based on LinkStatus but offers new features like support for several protocols and others. It's also possible to use KLinkStatus embedded as a KPart. LAM/MPI LAM/MPI is an MPI programming environment and development system for heterogeneous computers on a network. With LAM, a dedicated cluster or an existing network computing infrastructure can act as one parallel computer solving one problem. Lan Core Lan Core is a full solution for thin client technology. The server and client can be configured quickly and easily. The clients work on Windows and Linux. lifstat lifstat is a linux utility that reads /proc/net/dev and reports input and output statistics for available network interfaces over a repeating time inteval similar to the BSD 'netstat -i' command. Lightweight Neural Network ++ Lightweight Neural Network ++ is a lightweight backpropagation neural network in C++. The project provides a class implementing a neural network, and a class for easily train it. Limpid-hosting Limpid-hosting is a set of simple and transparent utilities for typical hosting tasks. They enable lightweight Web hosting without any central database or Web interface. New subdomains are created by simply creating a new subdirectory. Access to Subversion repositories is managed via a simple htpasswd file. Linux Bluetooth Remote Control Linux Bluetooth Remote Control (LBRC) is a remote control program that allows a Linux computer to be controlled by a J2ME device via Bluetooth. It is divided into a server part that runs on the computer and reacts to input events and a client part that runs on the J2ME device. The J2ME client sends the device's keycodes, which are translated to keystrokes, mouse movements, mouse clicks, or other input events on the controlled computer. Linux Replicated High Availability Manager Linux Replicated High Availability Manager is a toolset that attempts to allow two node high availability clusters to be built under Linux using simple inexpensive hardware. Rather than using a single data image (made available via SCSI or Fibre Channel connected storage) Linuxha.net instead replicates the data between the two machines. local-remote-controll-gui local-remote-controll-gui is a graphical application for running commands on remote servers. It also implements true file sharing like sshfs. Los Alamos Message Passing Interface Los Alamos Message Passing Interface is an implementation of the Message Passing Interface (MPI) motivated by a growing need for fault tolerance at the software level in large high-performance computing (HPC) systems. lwIP lwIP is a small independent implementation of the TCP/IP protocol suite. mii-tool The mii-tool command provides an tool for checking and setting ethernet cabling parameters. It is normally included in Bernd Eckenfels' net-tools package, but this is an single distribution which only contains mii-tool. This package also comes with cleaned makefile and allows build-time relocation and cross/sysroot-compiling. MIPL Mobile IPv6 for Linux MIPL Mobile IPv6 for Linux is an implementation of Mobility support in IPv6. Mobility support allows a mobile device to be tracked as it migrates between networks or even ISPs, allowing packets to be forwarded to where the device is currently located. Mnet Mnet is a universal file space: A universal file space is a single, global virtual space into which you can put, and from which you can get, files. It comes with a single global namespace so that there is no conflict over file names. moltiblock moltiblock is a user-space plugin to netfilter for blocking lots of nets. No need to recompile kernel or patch other sources. MPI-IO Test The MPI-IO Test is built on top of MPI's I/O calls and is used to gather timing information for reading from and writing to file(s) using a variety of I/O profiles. A data aggregation capability is available and the user can pass down MPI-IO, ROMIO, and file system specific hints. The MPI-IO Test can be used for performance benchmarking and, in some cases, to diagnose problems with file systems or I/O networks. MPICH MPICH is a robust and flexible implementation of the MPI (Message Passing Interface). MPI is often used with parallel or distributed computing projects. MPICH is a multi-platform, configurable system (development, execution, libraries, etc) for MPI. It can achieve parallelism using networked machines or using mulitasking on a single machine. multisend multisend is a program that uses multicast to efficiently transfer files to multiple hosts. It has the usual cp options such as recursion, and checksums files with SHA1. My Network Catalog My Network Catalog is an indexing engine that allows windows shares (or Samba) over a local network could be bind together. So via a search center all the files over the network could be easily accessed. MyHTB MyHTB is a set of HTB (Hierarchical Token Bucket) tools for traffic management under Linux with a MySQL database backend. It contains a Web frontend to add/modify clients, IP and bandwidth, and computes a new HTB tree every 1-5 minutes. n2n n2n (network-to-network) is a layer-two peer-to-peer virtual private network (VPN) that allows users to exploit features typical of P2P applications at network instead of application level. This means that users can gain native IP visibility (e.g. two PCs belonging to the same n2n network can ping each other) and be reachable with the same network IP address regardless of the network where they currently belong. NagAmp NagAmp interfaces between Nagios and a Cleware "ampel" (traffic light) device. nagcon Nagcon is a console application which replaces the Nagios Web interface. It allows you to quickly view which services have become troubled. NBTScan NBTScan is for scanning IP networks for NetBIOS name information. It sends NetBIOS status query to each address in supplied range and lists received information in human readable form. NBTScan-Ipanto NBTscan-Ipanto is a command-line tool that scans for NETBIOS devices on a local or remote TCP/IP network. It gives very useful reports, including the username connected on each detected device. NDisc6 ndisc6 consists of three command line tools (ndisc6, rdisc6, and tcptraceroute6) that perform ICMPv6 Neighbor Discovery, ICMPv6 Router Discovery, and TCP/IPv6 traceroute respectively. It is primarily meant for IPv6 networking diagnostics or to detect rogue IPv6 nodes or routers on an Ethernet segment. netAI The Network Traffic based Application Identification (netAI) has been developed for identifying the end host applications that are responsible for traffic flows in the network. Unlike previous solutions that identify the application based on port numbers or packet payload (either through protocol decoding or signatures) netAI computes various payload independent features (e.g. packet length and packet inter-arrival time statistics) for a traffic flow and uses machine learning (ML) techniques. NetChat NetChat is a network version of the "chat" utility that comes with PPP. It is a general purpose network "conversations" tool, designed for network testing. It can also be used for (very) quick setup of a server for a new protocol. netmapr netmapr is a basic SDL-based network diagram program that aims to be quick and easy to use without a huge list of library requirements. It supports NetViz-style "drilldown" into nested diagrams. Nets Nets is a full featured, extensible Open Source network inventory and management system. It Nets provides features that allow the managers and administrators of computer networks to find and maintain information critical to the efficient and cost-effective administration of their network. netstat-nat netstat-nat displays NAT connections created by the iptables conntrack module. Network Daemon Exploder Network Daemon Exploder is a perl program which will make n connections to randomly selected servers out of a pool. It will then write things to that connection choosing a random item out of an array. NISCA Network Interface Statistics Collection Agent: a network stats analyzer Nitpicker Nitpicker is an Ethernet accounting tool, which listens on an interface and accumulates all packets into flows. Nixory Nixory is an Anti Spyware program open source for Mozilla Firefox, planned for remove malicious data miner. It is a software written completely in Python and PyGTK, and it is supported by all most used platforms. Read more Nnetstat Nnetstat is a Perl/Gtk-based program that provides similar functionality to netstat. ns4 ns4 is a configuration management tool which allows the automated backup of node configurations. Commands are defined within a configuration file, and when they are executed, the output is sent to a series of FTP servers for archiving. As well as archiving configurations, it allows scripts to be run on nodes; this allows configurations to be applied en masse and allows conditional logic so different bits of scripts are run on different nodes. nss-mdns nss-mdns is a plugin for the GNU Name Service Switch (NSS) functionality of the GNU C Library (glibc) providing host name resolution via Multicast DNS. Nubell Client Nubell Client is a Novell Netware Client for Unix written in TCL/TK. It has been tested with Linux on Intel and Sparc machines with Netware 4.10. OmniSync OmniSync is a driver for NTPd for people who are firewall-challenged. It enables systems to synchronize time when port 123 (UDP) is blocked. It allows you to sync against the daytime service (port 13 TCP/UDP), time (port 37 TCP/UDP), SNTS, and HTTP and HTTPS (both also via proxy server). It doesn't directly set the clock but uses NTPd for this, as this enables you to have multiple time sources as well as bad-chimer detection, etc. OpenAMQ OpenAMQ is a fast, stable, free implementation of the AMQP messaging protocol. It gives applications high-performance messaging (delivery of opaque data) across loosely connected networks. It is capable of handling 10k-100k messages per second depending on the hardware, with a latency around 350 microseconds. It is multithreaded and supports C/C++ on multiple platforms. Openfiler Openfiler is a powerful, intuitive browser-based network storage management utility. Openfiler, combined with the underlying Linux-based Operating System, delivers file-based Network Attached Storage and block-based Storage Area Networking in a single framework. OpenNHRP OpenNHRP implements the NBMA Next Hop Resolution Protocol (as defined in RFC 2332). It makes it possible to create a dynamic multipoint VPN Linux router using NHRP, GRE, and IPsec. It aims to be Cisco DMVPN compatible. OpenRRCP OpenRRCP is a cross-platform tool based on RRCP (Realtek Remote Configuration Protocol). It is able to configure and fetch status from L2 Ethernet switches based on some of Realtek's chips. Linux and RTL8316B/RTL8326/RTL8326S are supported at the moment. OpRoute OpRoute establishes a measurement system which takes into account all of the important factors regarding network performance. Ops Control Panel Ops Control Panel provides quick, simple access to information about your network. It requires MRTG and Perl or PHP. OSPFviz OSPFviz is a visualization software that displays OSPF router information on dynamically routed networks and draws a network map as image. This can be very helpful when searching for asymmetrical routes, when designing load balancing or just for documentational purpose. Works on SNMP capable devices that implement the OSPF-MIB. Package SNMP Subagent The Package SNMP Subagent provides indexed package information via SNMP output. Packet Debugger The Packet Debugger (pdb) is a program which allows people to work with packet streams as if they were working with a source code debugger. Users can list, inspect, modify, and retransmit any packet from captured files as well as work with live packet capture. packETH packETH is a Linux GUI packet generator tool for ethernet. It allows you to create and send any possible packet or sequence of packets on the ethernet. PAM/NSS-DCE PAM/NSS-DCE implements a common, hardware and operating system independent platform, giving the administrator a (nearly) homogeneous system view. Pathfinder PKI Daemon Pathfinder provides a mechanism for any program to perform RFC3280-compliant path validation of X509 certificates, even when some of the intermediate certificates are not present on the local machine. PBNJ Pbnj gives you a concatted diff of the services running on the machine overtime by parsing an nmap and amap scan into .csv (comma delimated format) file. pcap2c pcap2c converts a pcap capture file (such as one from Ethereal/Wireshark or tcpdump) into a C source file, where the packets are stored as unsigned char arrays. These packets can then be compiled into a C program where they may be easily used for further manipulation, retransmission, etc. Pimmit Pimmit is an implementation of a commandline and GUI client, client API, and static server conforming to the IRIS specification currently under review by the IETF's CRISP working group. POESIA POESIA seeks to develop, test, evaluate and promote a fully open-source, and extensible, state of the art, filtering and catching software solution. Pol-IP Pol-IP is a complete traffic control system for a Linux NAT box with multiplataform clients. It has a user-friendly wizard to config the system in which you can add, delete or chage, clients or groups bandwith, in a hierarchical structure. The clients get clean statistics about their actual speed and assigned bandwith. portmap portmap is a part of the ONCRPC collection of software for implementing remote procedure calls between computer programs. It is use widely by NFS and NIS, and assorted other systems. preplay Packet REPLAYer is a general, user-space tool for network packet replaying and packet modification on Linux systems. Preppi Preppi is a simple graphical EPP client for Unix and Linux systems. It is written in Perl and makes use of the GTK+ and GNOME bindings for Perl, and our own EPP libraries. Protoscope Protoscope is a suite of utilities that aids developers by revealing underlying protocols. The initial development is with the HTTP protocol, and the HTTPscope server is a nice tool for Web developers who want to "look under the hood" as they develop. psync psync is a mirroring utility. Its main goal is to be able to update a distribution mirror but keep it as consistent as possible. One of the main problems with updating a mirror is that if the mirroring process is stopped for any reason, the mirror stays inconsistent: either some of the packages in the old databases were removed, or not all the new packages were downloaded. psync aims to fix this. It also aims to support as many distributions as possible. Qt SOAP Manager Qt SOAP Manager is a GUI tool for sending SOAP messages. It can be used for the development, debugging or exploration of Web Services. It is written in C++ and should run on every platform supported by Qt. QTTY QTTY is a console client software, running on Linux and Windows, that allows Bluetooth RFCOMM connections to QConsole/WmConsole servers running on Symbian and Windows Mobile devices. RadialNet RadialNet is a network visualization tool. It consists in a graphical visualization of the networks mapped with Nmap, with some efforts to make it easy to find security problems. rappd rappd (Remote Applications Daemon) provides the server side of rapp, which manages application back-ends providing interfaces to rapp clients. When connected, the server sends out XML descriptions of graphical interfaces (widget hierarchies) which the client renders. Actions on interfaces are communicated back to the server which then updates the interface. ratemask ratemask makes it easier to create ICMP type masks, as used in the icmp_ratemask sysctl, viewable through the /proc filesystem. remotehost_applet remotehost_applet helps to administrate your remote hosts. You specify the host's address, your login name, and a network protocol, and with additional information about the remote host's operation system a panel icon is created and linked with useful commands (in German). rICMP rICMP is a tool (a kernel patch and some user space tools) that allows you to remote reboot hanged machines. Rocks Rocks protect sockets-based applications from network failures, particularly failures common to mobile computing. RSIP RSIP is designed as an alternative to NAT but with the additional requirement to preserve end-to-end packet integrity. Ruby Iptables Network Displayer Ruined stands for "Ruby Iptables Network Displayer". It outputs SVG graphs from an iptables configuration. Rubyforger/visualforge Rubyforger is a packet forger written in ruby. It allows you to craft packets, to assemble them, to send and receive them over the network. SlimPeer The SlimPeer client is a fully PeerCast compatible but small, fast, and easy to use peer that can be used for replaying peercast:// streams without the need to perform complex and difficult configurations. After installation, all PeerCast P2P streams can be replayed immediately. SourceSafe for Unix SSU (SourceSafe for Unix) provides command-line access to local and remote Source Safe/VSS repositories through TCP. speed Speed is a simple program to add a transfer meter to any console or terminal based copy program. It allows you to easily report Kilobytes or Megabytes per second when using programs that do not report file transfer speeds (such as 'cp' or 'ftp'). Spines Spines is a generic messaging infrastructure that provides transparent unicast and multicast communication over dynamic, multi-hop networking environments without the need for expensive router programming environments or low level router coding. It provides automatic reconfiguration and network flexibility required both for research and production deployments. sslh sslh lets one accept both HTTPS and SSH connections on the same port. It makes it possible to connect to an SSH server on port 443 (e.g. from inside a corporate firewall) while still serving HTTPS on that port. Storage Resource Broker The SDSC Storage Resource Broker (SRB) is client-server middleware that provides a uniform interface for connecting to heterogeneous data resources over a network and accessing replicated data sets. SRB, in conjunction with the Metadata Catalog (MCAT), provides a way to access data sets and resources based on their attributes and/or logical names rather than their names or physical locations. STPsim STPsim is an application that simulates and visualizes switches using the Spanning Tree Protocol. It features a GUI to build and control a custom network topology. tc-viewer tc-viewer provides the ability to watch current transfers that take place in HTB and HFSC traffic shaping classes on specified interface. TCP Knocking TCP Knocking provides a port knocking implementation that attempts to solve problems of opening firewalls to provide remote access by incorporating the knock into unused fields in the TCP handshake sequence packets, rather than using UDP packets with secret ports. TCP/IP pipes TCP/IP pipes provides a simple set of utilites with examples for making finger services, TCP connection testers, echo servers, redirection services, TCP wrappers, etc. tcpdump2ascii tcpdump2ascii is a small perl utility which parses the hex output from 'tcpdump -x' and displays this as ASCII. tcpflow tcpflow captures data transmitted as part of TCP connections (flows), and stores it in a way that is convenient for protocol analysis or debugging. tcpify tcpify is a couple of wrapper programs that allow simple commands to communicate using TCP sockets. It works by replacing the standard input and output channels by a connected socket. tcpmd5 tcpmd5 signs packets with an MD5 hash as defined in RFC2385, which is in practice used for BGP session protection. It does not require any kernel or routing daemon (e.g. quagga) TCP-MD5 support. tcpsound tcpsound plays sounds in response to network traffic permitting a user to literally listen to a network. Specifically tcpsound forks a pseudo terminal in which to run tcpdump(8), parses that output, and plays a wide variety of user configuable sounds. ThinTUX Terminal Server Project ThinTUX Terminal Server Project is a solution that enables any business to deploy centralized applications to thin clients. Traffic Control Traffic Control is a revision of the Linux network traffic control infrastructure that aims to make the configuration language less cryptic, and provide better interfaces for software and hardware accelerators. ucspi-tcp ucspi-tcp contains tcpserver and tcpclient, which are easy-to-use command-line tools for building TCP client-server applications. utcpdump utcpdump is a slimmed-down version of LBL tcpdump 3.4 developed for Trinux but suitable for inclusion in other floppy or low-footprint Linux distributions. Vblade Vblade is a software-based AoE target, a virtual EtherDrive Blade. It exports local block storage to hosts on an ethernet local area network. Hosts with an ATA over Ethernet (AoE) initiator, like the aoe driver for Linux, can then access the storage over the ethernet. Venezia Venezia is a client for Charle P. Wright's c-mserver. It was developed using gtk under Linux. Webresolve Webresolve is used in conjunction with a log analyzer to get hostnames rather than IP addresses in the statistics. It speeds up resolution by running several processes in parallel. Wheretero Wheretero determines the country where the local computer is. This allows automatic keyboard layout configuration for live-CDs. wol wol implements Wake On LAN functionality in a small program. It wakes up hardware that is Magic Packet compliant. wzfusker Wzfusker is a small clone of fusker, which was a program that could be used to download parts of Web sites. It provides several tools to make selective mirroring easier, including selecting only URLs or images from the page and regex-based matching of links. Xealous Nets Xealous Nets is a set of programs that let you perform network calculations. They are useful and handy for the typical network administrator as they allow classful calculations and classless (CIDR) calculations, combining the functionality given by several online similar calculators in one single and portable package with a simple and effective command line interface. XtekRouter Free XtekRouter Free offers a linux router for your home or small office network. Yet Another Flowmeter Yet Another Flowmeter (YAF) is a tool for network flow capture, primarily designed to operate efficiently on white box hardware and generate IPFIX flow records. It is designed to operate primarily on Unix-based systems (including Mac OS X), and is supported by the Network Situational Awareness team at CERT. zfec zfec is a fast, portable, and programmable implementation of erasure coding. It includes a C library, a Python library, and a command-line tool. Erasure coding is also known as "forward error correction", which is the generation of redundant blocks of information such that if some blocks are lost then the original data can be recovered from the remaining blocks. ZipCracker ZipCracker is a program to help users recover files from password protected zip archives. It has a easy to use Gnome User interface.
