Token Ring Network Topology

LanTopolog is a freeware application that provides physical network topology discovery, visualization and monitoring Key features: - Automatic physical network topology discovery based on SNMP - Provide detailed and searchable physical network topology map so you can quickly isolate...

The utility will automatically decode a Routing Information Field (RIF) of a Token Ring Frame. It will determine the Routing Control information, Explorer Type, the Length of the RIF, the MTU Size, Direction, Bridge and Ring numbers based on the value of the RIF. This networking tools is highly...

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

Netdisco is an SNMP-based L2/L3 network management tool designed for moderate to large networks. Routers and switches are polled to log IP and MAC addresses and map them to switch ports. Automatic L2 network topology discovery, display, and inventory.


Platforms: *nix

Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions. Wireshark development thrives thanks to the contributions of networking experts across the globe. It is the continuation of a...


Platforms: Mac

ngrep strives to provide most of GNU grep's 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 IPv4/6, TCP, UDP, ICMPv4/6, IGMP...


Platforms: *nix, C/C++, BSD

Firewall is a set of scripts (firewall, fwup and fwdown) that implement an ipchains firewall and various forms of network address and port translation. All you have to do is read the policy file and edit it to reflect your topology and filtering policy. The policy file is composed of sections...


Platforms: *nix

JDisc Discovery is an agent-less network inventory and documentation solution that that covers small and medium sized networks, but also discovers data centers. JDisc Discovery provides the information that you need to run your IT more effectively. It's agent-less discovery technology...


Platforms: Windows

JTossim is a Graphical User Interface (GUI) to TOSSIM, the TinyOS simulator. It allows to define simulation parameters (like radio settings and network topology) and provides different visualization of the results of simulations.


Platforms: *nix

AnonNet (Anonymous Network Project) is an attempt to help establish an infrastructure for anonymous networking. Put simply, it dynamically builds a route between multiple "proxies" across the Internet, such that it would be extremely difficult for any party aside from yourself to determine the...


Platforms: *nix

LAN-MANAGER is an application which will be able to monitor networks,to analyze the network's topology and warn the network's administrator in case of an incident.


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

dhcpcd is an RFC2131-, RFC2132-, and RFC1541-compliant DHCP client daemon. dhcpcd gets an IP address and other information from a corresponding DHCP server, configures the network interface automatically, and tries to renew the lease time according to RFC2131 or RFC1541 depending on the command...


Platforms: *nix

WASTE provides a encrypted communication tool that allows for safe chat and transfer. WASTE is a mesh-based workgroup tool that allows for encrypted, private communication between distant parties on the Internet, independent of local network organization. I t is RSA secured, and has been...


Platforms: *nix

BitSwapper is a simple utility to convert between the so called canonical MAC address format used by Ethernet and the non-canonical one used, for instance, by Token Ring. Additionally it can perform Vendor/Address lookup in a local DB or remotely.


Platforms: Mac

GNUnet is a peer-to-peer framework with focus on providing security. All peer-to-peer messages in the network are confidential and authenticated. GNUnet provides a transport abstraction layer and can currently encapsulate the network traffic in UDP (IPv4 and IPv6), TCP (IPv4 and IPv6), HTTP, or...


Platforms: *nix

IPv6-to-IPv6 Network Address Port Translation (NAPT66) is a stateful IPv6 NAT mechanism. Just like IPv4 NAT, NAPT66 technique makes several hosts share a public IPv6 address. As a result, NAPT66 helps to hide the private network topology and promote network security. NAPT66 based on GNU/Linux is...


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

GLPI (Gestion Libre de Parc Informatique) is an information resource manager with an administration interface. You can use it to build a database with an inventory for your company (computers, software, printers, etc.). It has functions to make the daily life of the administrators easier,...


Platforms: *nix

Knetdump is a net-tool for analysing and visualizing basic protocols of the OSI layer 1-4. It is made to improve a university lecture/reading. There are four different views: - the ISO/OSI referencemodel, discribingg the different layers of the OSI-model. - the trafficview, similary to...


Platforms: *nix