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Web Site Robot 2.4
Web Site Robot is an easy to use Web site builder with a blog tool. more>>
Web Site Robot is an easy to use Web site builder with a blog tool, shopping cart, and online photo album. It is free and does not require additional software, HTML, programming, or a hosting company.
It enables secure online payments with credit cards. There is virtually unlimited storage space for HTML, documents, blogs, photos, music, videos, or any multimedia content.
Enhancements:
- The Robot is now able to discover and inform UPnP routers about its presence and the need to have a NAT port available for its Web server.
- In most SOHO environments with UPnP enabled routers, manual configuration is not needed.
- The operator just installs, registers the Robot and the Web site is online effortlessly.
<<lessIt enables secure online payments with credit cards. There is virtually unlimited storage space for HTML, documents, blogs, photos, music, videos, or any multimedia content.
Enhancements:
- The Robot is now able to discover and inform UPnP routers about its presence and the need to have a NAT port available for its Web server.
- In most SOHO environments with UPnP enabled routers, manual configuration is not needed.
- The operator just installs, registers the Robot and the Web site is online effortlessly.
Download (26MB)
Added: 2005-09-13 License: Freeware Price:
3097 downloads
Network Traffic Generator 0.1.3
Network Traffic Generator is a traffic generator that tests routers/firewalls. more>>
This is a traffic generator. It is used to check what massive amounts of traffic of certain type will do to an intervening network.
It does not try to measure throughput or response times. It has been made with the question in mind: If 100 clients does simultaneous TCP transfers for 2 days, will my router break? Or can I configure my firewall while 50 people are doing large TCP transfers through the device?
<<lessIt does not try to measure throughput or response times. It has been made with the question in mind: If 100 clients does simultaneous TCP transfers for 2 days, will my router break? Or can I configure my firewall while 50 people are doing large TCP transfers through the device?
Download (0.19MB)
Added: 2005-04-13 License: GPL (GNU General Public License) Price:
1681 downloads
libksnmp 0.2
libksnmp is a KDE library to access SNMP statistics. more>>
libksnmp is a KDE library that wraps around net-snmp to allow KDE applications to get SNMP statistics without the need to walk through net-snmp conflicts with autoconf/automake projects, using a KDEish C++ interface.
This library was initially wrote for my ATMOSphere project to simplify access ot SNMP statistics for routers compliant with this protocol.
Its just a wrapper around net-snmp, which does all the dirt work in a C way.
Also, this library is useful to avoid hacking around net-snmp "bugs" (or "features") with autoconf headers.
At the moment libksnmp can be used to access v1 and v2c compatible devices, in readonly way, with a simplified access to RFC1213-compliant devices.
For information on use of the library, please generate the doxygen apidoc, and
read it.
This is an experimental library for now, every contribution is well accepted,
if you want a CVS access to hack around, just contact me.
<<lessThis library was initially wrote for my ATMOSphere project to simplify access ot SNMP statistics for routers compliant with this protocol.
Its just a wrapper around net-snmp, which does all the dirt work in a C way.
Also, this library is useful to avoid hacking around net-snmp "bugs" (or "features") with autoconf headers.
At the moment libksnmp can be used to access v1 and v2c compatible devices, in readonly way, with a simplified access to RFC1213-compliant devices.
For information on use of the library, please generate the doxygen apidoc, and
read it.
This is an experimental library for now, every contribution is well accepted,
if you want a CVS access to hack around, just contact me.
Download (0.55MB)
Added: 2005-04-13 License: LGPL (GNU Lesser General Public License) Price:
1655 downloads
Cutter 1.03
Cutter is an TCP/IP Connection cutting on Linux Firewalls and Routers. more>>
Cutter is an TCP/IP Connection cutting on Linux Firewalls and Routers.
Cutter is an open source program that uses the FIN-ACK-RST packet technique described above to abort TCP/IP connections routed over the firewall or router on which it is run. It can be called using one of the following four syntaxes.
cutter ip-address
Example: "cutter 10.10.0.45"
Cuts all connections passing through the firewall between any ports on the specified ip-address (either a "private" or "public" address) and any other hosts. This can be used to close down all incoming connections to a particular server, all outgoing connections from a particular client or all outgoing connections to a server.
cutter ip-address port
Example: "cutter 200.1.2.3 80"
Cuts all connections to or from the specified ip-address/port pair. This allows the user to be a little more specific than the previous example and allows targetting of specific services on specific hosts.
cutter ip-address-1 port-1 ip-address-2
Example "cutter 200.1.2.3 22 10.10.0.45"
Cuts all connections between ip-address-2 and ip-address-1/port-1. This allows the user to cut connections between a specified "client" and a particular service on a specified host. Our example closes host 10.10.0.45s SSH connection to server 200.1.2.3.
cutter ip-address-1 port-1 ip-address-2 port-2
Example: "cutter 200.1.2.3 22 10.10.0.45 32451"
Cuts the specific connection between the two ip/port number pairs given.
IMPORTANT WARNING
Cutter has been designed for use as a administrators tool for Linux firewalls. Its use (as is, or modified) for any other purpose is not sanctioned by the author. So - do not use this tool as a parachute, or to dry your cat, chill meat, answer your phone, drive you car, teach your kids to read or attack other peoples computer systems or networks.
This software has been designed for "legal" and "appropriate" use by network security administrators and the like. It has been written as part of a larger Linux firewall project, targetting at controlling traffic from peer-to-peer software such as Kazaa, iMesh and others into and out of a private network. It is not designed as a tool for malicious use and the author in no way sanctions such use.
Users of the software should be aware that its actions are easily detectable using a number of readily available network monitoring tools, and it makes no attempt to disguise its actions. Malicious use of "cutter" could result in a jail sentance in a number of countries around the world.
<<lessCutter is an open source program that uses the FIN-ACK-RST packet technique described above to abort TCP/IP connections routed over the firewall or router on which it is run. It can be called using one of the following four syntaxes.
cutter ip-address
Example: "cutter 10.10.0.45"
Cuts all connections passing through the firewall between any ports on the specified ip-address (either a "private" or "public" address) and any other hosts. This can be used to close down all incoming connections to a particular server, all outgoing connections from a particular client or all outgoing connections to a server.
cutter ip-address port
Example: "cutter 200.1.2.3 80"
Cuts all connections to or from the specified ip-address/port pair. This allows the user to be a little more specific than the previous example and allows targetting of specific services on specific hosts.
cutter ip-address-1 port-1 ip-address-2
Example "cutter 200.1.2.3 22 10.10.0.45"
Cuts all connections between ip-address-2 and ip-address-1/port-1. This allows the user to cut connections between a specified "client" and a particular service on a specified host. Our example closes host 10.10.0.45s SSH connection to server 200.1.2.3.
cutter ip-address-1 port-1 ip-address-2 port-2
Example: "cutter 200.1.2.3 22 10.10.0.45 32451"
Cuts the specific connection between the two ip/port number pairs given.
IMPORTANT WARNING
Cutter has been designed for use as a administrators tool for Linux firewalls. Its use (as is, or modified) for any other purpose is not sanctioned by the author. So - do not use this tool as a parachute, or to dry your cat, chill meat, answer your phone, drive you car, teach your kids to read or attack other peoples computer systems or networks.
This software has been designed for "legal" and "appropriate" use by network security administrators and the like. It has been written as part of a larger Linux firewall project, targetting at controlling traffic from peer-to-peer software such as Kazaa, iMesh and others into and out of a private network. It is not designed as a tool for malicious use and the author in no way sanctions such use.
Users of the software should be aware that its actions are easily detectable using a number of readily available network monitoring tools, and it makes no attempt to disguise its actions. Malicious use of "cutter" could result in a jail sentance in a number of countries around the world.
Download (0.013MB)
Added: 2005-12-14 License: GPL (GNU General Public License) Price:
1557 downloads
Sysmon 0.92.1
Sysmon is a network monitoring tool designed to provide high performance and accurate network monitoring. more>>
Sysmon is a network monitoring tool designed to provide high performance and accurate network monitoring.
Currently supported tests include monitoring of SMTP, IMAP, HTTP, TCP, UDP, Radius, NNTP, and POP3 servers. It also includes the ability to ping hosts and routers, as well as the ability to perform SNMP queries and generate alerts based on those results.
Sysmon has the ability to understand real network topologies, including the ability to monitor multiple paths and only report the actual device that is down instead of a router that is down, and all the hosts behind it.
Enhancements:
- fix for crash/coredump with DNS check
- Darwin/OSX 10.4.x build cleanups
- reduce calls to time()
- new queuer for objects (may not work on all systems)
- numerous cleanups
- some excess noise reduced in logs
- add some checkpointing of icmp packets and timing
- minor dependency builder fixes
- allow sets to work in the root = object declaration
<<lessCurrently supported tests include monitoring of SMTP, IMAP, HTTP, TCP, UDP, Radius, NNTP, and POP3 servers. It also includes the ability to ping hosts and routers, as well as the ability to perform SNMP queries and generate alerts based on those results.
Sysmon has the ability to understand real network topologies, including the ability to monitor multiple paths and only report the actual device that is down instead of a router that is down, and all the hosts behind it.
Enhancements:
- fix for crash/coredump with DNS check
- Darwin/OSX 10.4.x build cleanups
- reduce calls to time()
- new queuer for objects (may not work on all systems)
- numerous cleanups
- some excess noise reduced in logs
- add some checkpointing of icmp packets and timing
- minor dependency builder fixes
- allow sets to work in the root = object declaration
Download (0.48MB)
Added: 2005-10-11 License: Public Domain Price:
1501 downloads
Spong 2.8.0 beta2
Spong is a simple systems and network monitoring package. more>>
Spong is a simple systems and network monitoring package. It does not compete with Tivoli, OpenView, UniCenter, or any other commercial packages.
It is not SNMP based, it communcates via simple TCP based messages. It is written in Perl. It can currently run on every major Unix and Unix-like operating systems.
Main features:
- client based monitoring (CPU, disk, processes, logs, etc.)
- monitoring of network services (smtp, http, ping, pop, dns, etc.)
- grouping of hosts (routers, servers, workstations, PCs)
- rules based messaging when problems occur
- configurable on a host by host basis
- results displayed via text or web based interface
- history of problems
- verbose information to help diagnosis problems
- modular programs to makes it easy to add or replace check functions or features
- Big Brother BBSERVER emulation to allow Big Brother Clients to be used
Enhancements:
- Many new plugins and bugfixes were added.
<<lessIt is not SNMP based, it communcates via simple TCP based messages. It is written in Perl. It can currently run on every major Unix and Unix-like operating systems.
Main features:
- client based monitoring (CPU, disk, processes, logs, etc.)
- monitoring of network services (smtp, http, ping, pop, dns, etc.)
- grouping of hosts (routers, servers, workstations, PCs)
- rules based messaging when problems occur
- configurable on a host by host basis
- results displayed via text or web based interface
- history of problems
- verbose information to help diagnosis problems
- modular programs to makes it easy to add or replace check functions or features
- Big Brother BBSERVER emulation to allow Big Brother Clients to be used
Enhancements:
- Many new plugins and bugfixes were added.
Download (0.22MB)
Added: 2005-09-30 License: GPL (GNU General Public License) Price:
1484 downloads
NetKit 2.3
NetKit is a network applications and daemons kit. more>>
Netkit has been conceived for doing networking experiments at low cost. Several fully fledged routers, switches, and computers can be easily "created" and interconnected on a single pc.
Such networking equipments are virtual but can be operated with many of the features of the real ones.
Netkit exploits open source software (mostly licensed under GPL) and is heavily based on User Mode Linux (UML). The purpose of our efforts is to solve many of the difficulties and technicalities that a user could have in using UML for networking. Namely, we offer to the users an easy to use and to install package.
Enhancements:
- Improved checks for the presence of terminal emulator applications (both in check_configuration.sh and in the Netkit scripts).
- Fixed a bug inside vcrash and vclean (wrong signal spec when killing processes broke both vcrash and vclean).
- Placed a workaround to avoid early hangs of the port-helper process when booting virtual machines.
- Removed some minor warnings issued by vstart and vclean.
- Fixed a small bug in the output of vlist.
<<lessSuch networking equipments are virtual but can be operated with many of the features of the real ones.
Netkit exploits open source software (mostly licensed under GPL) and is heavily based on User Mode Linux (UML). The purpose of our efforts is to solve many of the difficulties and technicalities that a user could have in using UML for networking. Namely, we offer to the users an easy to use and to install package.
Enhancements:
- Improved checks for the presence of terminal emulator applications (both in check_configuration.sh and in the Netkit scripts).
- Fixed a bug inside vcrash and vclean (wrong signal spec when killing processes broke both vcrash and vclean).
- Placed a workaround to avoid early hangs of the port-helper process when booting virtual machines.
- Removed some minor warnings issued by vstart and vclean.
- Fixed a small bug in the output of vlist.
Download (0.97MB)
Added: 2005-10-27 License: BSD License Price:
1460 downloads
CTShaper 1.1.1
CTShaper is a shell-script that helps setting up a traffic shaper. more>>
CTShaper is a shell-script that helps setting up a traffic shaper, using Linuxs built-in network QoS (Quality of Service) infrastructure.
Have you ever noticed how your SSH/gaming sessions become sluggish when you start downloading something, or how your downloads slow down when you start uploading?
Have you ever been annoyed by other peoples downloads forcing you to wait ages while an email is being sent? Or making your web navigation painfully slow?
Well, if your outgoing link is managed by a Linux router/gateway, then you could benefit from using CTShaper.
CTShaper reduces link latency by preventing packet queues from getting too long on your side (your ADSL or Cable modem) and on your ISPs side (their routers). Long packet queues is what makes your uploads interfere with your downloads, and your downloads interfere with your SSH or gaming sessions.
Additionally, CTShaper sets up four traffic queues with different priorities and configurable flow rates (to have minimum bandwidth guarantees for each class). By default, only traffic with ToS (Type of Service) information gets prioritized (which could be enough, if lots of software had support for it, which they dont), but you can use your firewall (iptables, or an iptables frontend like FireHOL) to "mark" traffic.
The traffic shaper will then prioritize (outgoing) traffic based on those "marks". You can, for instance, give priority to SMTP and HTTP traffic. This will only affect outgoing HTTP and SMTP traffic, but thats enough to make your emails go out faster, and your web navigation more responsive.
<<lessHave you ever noticed how your SSH/gaming sessions become sluggish when you start downloading something, or how your downloads slow down when you start uploading?
Have you ever been annoyed by other peoples downloads forcing you to wait ages while an email is being sent? Or making your web navigation painfully slow?
Well, if your outgoing link is managed by a Linux router/gateway, then you could benefit from using CTShaper.
CTShaper reduces link latency by preventing packet queues from getting too long on your side (your ADSL or Cable modem) and on your ISPs side (their routers). Long packet queues is what makes your uploads interfere with your downloads, and your downloads interfere with your SSH or gaming sessions.
Additionally, CTShaper sets up four traffic queues with different priorities and configurable flow rates (to have minimum bandwidth guarantees for each class). By default, only traffic with ToS (Type of Service) information gets prioritized (which could be enough, if lots of software had support for it, which they dont), but you can use your firewall (iptables, or an iptables frontend like FireHOL) to "mark" traffic.
The traffic shaper will then prioritize (outgoing) traffic based on those "marks". You can, for instance, give priority to SMTP and HTTP traffic. This will only affect outgoing HTTP and SMTP traffic, but thats enough to make your emails go out faster, and your web navigation more responsive.
Download (0.011MB)
Added: 2005-11-02 License: GPL (GNU General Public License) Price:
1453 downloads
SIP Express Router 0.9.6
SIP Express Router is a very fast and flexible SIP (RFC3261) server. more>>
SIP Express Router (ser) is a high-performance, configurable, free SIP ( RFC3261 ) server .
SER features an application-server interface, presence support, SMS gateway, SIMPLE2Jabber gateway, RADIUS/syslog accounting and authorization, server status monitoring, FCP security, etc. Web-based user provisioning, serweb, available.
Its performance allows it to deal with operational burdens, such as broken network components, attacks, power-up reboots and rapidly growing user population.
SERs configuration ability meets needs of a whole range of scenarios including small-office use, enterprise PBX replacements and carrier services.
Main features:
- accounting
- digest authentication
- CPL scripts
- ENUM support
- instant messaging
- MySQL support
- PostgreSQL support
- a presence agent
- Radius authentication and accounting
- Diameter authentication
- record routing
- SMS gateway
- Jabber gateway
- NAT traversal support transaction module
- registrar
- user location
SER has been extensively and successfuly tested with many SIP products from other vendors (Microsoft, Cisco, Mitel, snom, Pingtel, Siemens, and many others). It has been powering our SIP services continuously for more than two years.
<<lessSER features an application-server interface, presence support, SMS gateway, SIMPLE2Jabber gateway, RADIUS/syslog accounting and authorization, server status monitoring, FCP security, etc. Web-based user provisioning, serweb, available.
Its performance allows it to deal with operational burdens, such as broken network components, attacks, power-up reboots and rapidly growing user population.
SERs configuration ability meets needs of a whole range of scenarios including small-office use, enterprise PBX replacements and carrier services.
Main features:
- accounting
- digest authentication
- CPL scripts
- ENUM support
- instant messaging
- MySQL support
- PostgreSQL support
- a presence agent
- Radius authentication and accounting
- Diameter authentication
- record routing
- SMS gateway
- Jabber gateway
- NAT traversal support transaction module
- registrar
- user location
SER has been extensively and successfuly tested with many SIP products from other vendors (Microsoft, Cisco, Mitel, snom, Pingtel, Siemens, and many others). It has been powering our SIP services continuously for more than two years.
Download (2.0MB)
Added: 2006-01-11 License: GPL (GNU General Public License) Price:
1393 downloads
Deep Network Analyzer 1.5 GA
Deep Network Analyzer is an flexible, open and extensible deep network analyzer. more>>
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, Intrusion detection, Network Management, Protocol and Network Analysis, Information Gathering, Network Monitoring applications.
DNA runs as a distributed application under a Java Virtual Machine (JVM) environment and is portable across many OS environments, including: Network appliances, Switches and Routers.
Main features:
- Deep packet and session processing (layers 2-7)
- Configurable processing and output:
- Layer 4 Packet flows
- Layer 4-7 Stateful Sessions flows (client/server flow pairs)
- Layer 7 Packet and Session Application protocol Parsing (HTTP, DNS, P2P, VoIP, etc)
- Application protocol parsing toolkit enables easy devlopment of new new protocol parsers.
- Support for both symmetric and asymmetric routing links.
- Targeting based full session capture facility, like a real time targeted TCPDump.
- Flexible targeting from IP address, port tuple to application sensitive targeting.
- Configurable and extensible output adaptor utilizing OpenAdaptor able to send output to a varity of resources including: Flat file, Oracle, MySQL, MSSQL, Sybase, Sockets, JMS, RMI, WebService.
- Extensible real time collection engine portable across many OS/Packet processing environment :
- Specialized linux drivers mechanisms
- Network Appliances
- Network Switches / Routers
- Highly paralleliszed for increased performance over multi processor environment
- System metadata dictionary externalizes processing type definition
Enhancements:
- Adoption of OpenAdaptor(tm) as the Output Adapter mechanism.
- Support for local-only administration.
- A new targeted packet capture parser, new run scripts, and a new install mechanism.
- Many bugfixes.
<<lessDNA is designed to be used for Internet Security, Intrusion detection, Network Management, Protocol and Network Analysis, Information Gathering, Network Monitoring applications.
DNA runs as a distributed application under a Java Virtual Machine (JVM) environment and is portable across many OS environments, including: Network appliances, Switches and Routers.
Main features:
- Deep packet and session processing (layers 2-7)
- Configurable processing and output:
- Layer 4 Packet flows
- Layer 4-7 Stateful Sessions flows (client/server flow pairs)
- Layer 7 Packet and Session Application protocol Parsing (HTTP, DNS, P2P, VoIP, etc)
- Application protocol parsing toolkit enables easy devlopment of new new protocol parsers.
- Support for both symmetric and asymmetric routing links.
- Targeting based full session capture facility, like a real time targeted TCPDump.
- Flexible targeting from IP address, port tuple to application sensitive targeting.
- Configurable and extensible output adaptor utilizing OpenAdaptor able to send output to a varity of resources including: Flat file, Oracle, MySQL, MSSQL, Sybase, Sockets, JMS, RMI, WebService.
- Extensible real time collection engine portable across many OS/Packet processing environment :
- Specialized linux drivers mechanisms
- Network Appliances
- Network Switches / Routers
- Highly paralleliszed for increased performance over multi processor environment
- System metadata dictionary externalizes processing type definition
Enhancements:
- Adoption of OpenAdaptor(tm) as the Output Adapter mechanism.
- Support for local-only administration.
- A new targeted packet capture parser, new run scripts, and a new install mechanism.
- Many bugfixes.
Download (12.1MB)
Added: 2006-01-10 License: GPL (GNU General Public License) Price:
1390 downloads
Midge 20060203
Midge is a linux mini-distribution for ADM5120 based routers, such as Edimax BR-6104K. more>>
Midge is a linux mini-distribution for ADM5120 based routers, such as Edimax BR-6104K.
Also midge uses ipkg package manager, which can be used for installing new software.
Midge divided to 3 versions: jffs2, tmpfs and usb - difference on which root filesystem is used.
- jffs2 version uses jffs2 root filesystem (of course). It has small (~512k) initial rom filesystem, and big (~800k) filesystem for user data. It can be used on system which have some services (micro servers) and/or if you want install custom software. Advantage of jffs2 filesystem is a journal filesystem - you can do not worry about rootfs safety.
- tmpfs version uses tmpfs root filesystem. It has big (1280k) initial rom filesystem, and small (256k) data partition. It can be used on typical routers.
- usb1) version uses root filesystem on usb storage (USB-Flash, USB-HDD).
Enhancements:
- This release adds an upstream update (OpenWrt kamikaze), more modular firmware, USB-Storage support, and bugfixes.
<<lessAlso midge uses ipkg package manager, which can be used for installing new software.
Midge divided to 3 versions: jffs2, tmpfs and usb - difference on which root filesystem is used.
- jffs2 version uses jffs2 root filesystem (of course). It has small (~512k) initial rom filesystem, and big (~800k) filesystem for user data. It can be used on system which have some services (micro servers) and/or if you want install custom software. Advantage of jffs2 filesystem is a journal filesystem - you can do not worry about rootfs safety.
- tmpfs version uses tmpfs root filesystem. It has big (1280k) initial rom filesystem, and small (256k) data partition. It can be used on typical routers.
- usb1) version uses root filesystem on usb storage (USB-Flash, USB-HDD).
Enhancements:
- This release adds an upstream update (OpenWrt kamikaze), more modular firmware, USB-Storage support, and bugfixes.
Download (1.6MB)
Added: 2006-02-04 License: GPL (GNU General Public License) Price:
1364 downloads
fping 2.4b2
fping is a ping like program which uses the Internet Control Message Protocol (ICMP) echo request to determine if a host is up. more>>
fping is a ping like program which uses the Internet Control Message Protocol (ICMP) echo request to determine if a host is up. fping is different from ping in that you can specify any number of hosts on the command line, or specify a file containing the lists of hosts to ping.
Instead of trying one host until it timeouts or replies, fping will send out a ping packet and move on to the next host in a round-robin fashion.
If a host replies, it is noted and removed from the list of hosts to check. If a host does not respond within a certain time limit and/or retry limit it will be considered unreachable.
Unlike ping, fping is meant to be used in scripts and its output is easy to parse.
Problem and Issues:
With a large a number of IP addresses in use, its becomes more and more time consuming to check on which IP addresses are actively in use, and which critical machines (routers, bridges, servers, etc) are reachable. One example is we have a program which goes through all of our routers arp caches looking for IP addresses that are in use. After finding a list of IP addresses that arent in any arp caches fping can then be used to see if these IP addresses really arent being used, or are just behind the routers. Checking 2500 hosts (99% of which are unreachable) via ping can take hours.
fping was written to solve the problem of pinging N number of hosts in an efficient manner. By sending out pings in a round-robin fashion and checking on responses as they come in at random, a large number of hosts can be checked at once.
Unlike ping, fping is meant to be used in scripts and its output is easy to parse.
<<lessInstead of trying one host until it timeouts or replies, fping will send out a ping packet and move on to the next host in a round-robin fashion.
If a host replies, it is noted and removed from the list of hosts to check. If a host does not respond within a certain time limit and/or retry limit it will be considered unreachable.
Unlike ping, fping is meant to be used in scripts and its output is easy to parse.
Problem and Issues:
With a large a number of IP addresses in use, its becomes more and more time consuming to check on which IP addresses are actively in use, and which critical machines (routers, bridges, servers, etc) are reachable. One example is we have a program which goes through all of our routers arp caches looking for IP addresses that are in use. After finding a list of IP addresses that arent in any arp caches fping can then be used to see if these IP addresses really arent being used, or are just behind the routers. Checking 2500 hosts (99% of which are unreachable) via ping can take hours.
fping was written to solve the problem of pinging N number of hosts in an efficient manner. By sending out pings in a round-robin fashion and checking on responses as they come in at random, a large number of hosts can be checked at once.
Unlike ping, fping is meant to be used in scripts and its output is easy to parse.
Download (0.059MB)
Added: 2006-03-10 License: GPL (GNU General Public License) Price:
1347 downloads
BitWise Routing Server 1.7
BitWise Routing Server allows multiple PCs behind a router to make direct connections. more>>
BitWise Routing Server allows multiple PCs behind a router to make direct connections.
The BitWise Routing Server allows you to accept BitWise connections to multiple computers behind a router. Typically, using a router, you would set up port forwarding on BitWises client port (4137), and specify a single destination IP. This is fine until multiple users behind a router all need to accept incoming connections.
As shown by the picture at right, the Routing Server allows individual users to register themselves with the Routing Server, and then the Routing Server accepts all incoming connections and directs those connections to the appropriate user.
The Routing Server requires that your physical router support port forwarding with a way to specify different external and internal ports (this is sometimes labeled "UPnP" by many common home routers).
The Routing Server has several options allowing you to customize the Routing Server for your environment. Many of the options are self-explanatory. The two that are not are Listen on Port and IP filtering. IP filtering is explained in the next section.
The BitWise Routing Server listens on a different port than the BitWise IM client. This allows the Routing Server and the IM client to be run on the same computer without causing conflicts. You will want to set up your router (more detail in a later step) to shift the port of the incoming connections from 4137 to another port. It doesnt particularly matter which port you want to use, as long as it is not a port used by another program. The default port is 4200.
Depending on the complexity of the network, it may be desirable to filter the IP addresses that are allowed to register with the Routing Server. This can be done in the preferences. One very likely scenario would be limiting registrations to the 192.168.1.x IP addresses (192.168 is reserved for local networks). When specifying an IP as the comparison address, you can use any valid IP numbers for wildcards.
In the case shown here, the Routing Server will limit connections to computers having IP addresses of 192.168.1.x. Any number, 0 through 255, could be placed for x in the Routing Server preferences.
If you are not familiar with IP address classes and IP filtering, it will usually be safe to leave Any selected.
Setting up the physical router
The picture at right was taken from a Linksys router, other routers will have a similar capability, although it may be layed out differently. On some routers, the advanced port forwarding options are mistakingly labeled UPnP.
The router setup shows that we are accepting connections on port 4137 and then sending them inside the network on port 4200 (the default port). Enter the IP address of the machine on the network running the Routing Server, and make sure that the rule is enabled. You will want to enter a rule for both TCP and UDP (UDP is used only for voice).
Please consult your router manual for more detailed instructions about how to set up port forwarding on your specific model.
Configuring BitWise to use the Routing Server
In order for you to enjoy the connectivity benefits of the Routing Server, you will need to register with the Routing Server when you log in to BitWise. Prior to logging in to BitWise, click the Setup button next to the Connect button to open the BitWise Setup. There is an area to enter an address for the Routing Server, and to specify what port to use. The port must be the same as the port used above (4200 is the default).
Upon connecting to BitWise, you will be registered with the Routing Server. If you could not be registered, an error message will be displayed. Double-check that the correct address was entered in the Setup.
Registration with the Routing Server
Upon successfully registering with the Routing Server, the Routing Server will display the user name and the IP address of the registration. If you want to unregister a user, click on the username, and then click Unregister. Incoming connections will no longer be forwarded to the specified computer.
It is worth pointing out two things here. First, if you later log in from a different computer, and that computer is also set to use the Routing Server, you will be re-registered with your new IP address. Second, if you are unregistered, or move to another computer but are not set up to use the Routing Server, you will not be able to benefit from the services of the Routing Server.
By default, the Routing Server saves the registered user list when it is closed down.
Using the Routing Server
Assuming that everything is set up correctly, everyone that registers with the Routing Server when they log in to BitWise will be able to enjoy significantly increased connectivity with other BitWise users. As incoming connections are established, you will see the connections listed in the right pane of the Routing Server window. The IP address and the time of the connection is also displayed, and the connection is later marked when it is disconnected.
The disconnected/closed connections may be cleaned from the list at any time using the Clean List button. Only active connections will be left displayed.
<<lessThe BitWise Routing Server allows you to accept BitWise connections to multiple computers behind a router. Typically, using a router, you would set up port forwarding on BitWises client port (4137), and specify a single destination IP. This is fine until multiple users behind a router all need to accept incoming connections.
As shown by the picture at right, the Routing Server allows individual users to register themselves with the Routing Server, and then the Routing Server accepts all incoming connections and directs those connections to the appropriate user.
The Routing Server requires that your physical router support port forwarding with a way to specify different external and internal ports (this is sometimes labeled "UPnP" by many common home routers).
The Routing Server has several options allowing you to customize the Routing Server for your environment. Many of the options are self-explanatory. The two that are not are Listen on Port and IP filtering. IP filtering is explained in the next section.
The BitWise Routing Server listens on a different port than the BitWise IM client. This allows the Routing Server and the IM client to be run on the same computer without causing conflicts. You will want to set up your router (more detail in a later step) to shift the port of the incoming connections from 4137 to another port. It doesnt particularly matter which port you want to use, as long as it is not a port used by another program. The default port is 4200.
Depending on the complexity of the network, it may be desirable to filter the IP addresses that are allowed to register with the Routing Server. This can be done in the preferences. One very likely scenario would be limiting registrations to the 192.168.1.x IP addresses (192.168 is reserved for local networks). When specifying an IP as the comparison address, you can use any valid IP numbers for wildcards.
In the case shown here, the Routing Server will limit connections to computers having IP addresses of 192.168.1.x. Any number, 0 through 255, could be placed for x in the Routing Server preferences.
If you are not familiar with IP address classes and IP filtering, it will usually be safe to leave Any selected.
Setting up the physical router
The picture at right was taken from a Linksys router, other routers will have a similar capability, although it may be layed out differently. On some routers, the advanced port forwarding options are mistakingly labeled UPnP.
The router setup shows that we are accepting connections on port 4137 and then sending them inside the network on port 4200 (the default port). Enter the IP address of the machine on the network running the Routing Server, and make sure that the rule is enabled. You will want to enter a rule for both TCP and UDP (UDP is used only for voice).
Please consult your router manual for more detailed instructions about how to set up port forwarding on your specific model.
Configuring BitWise to use the Routing Server
In order for you to enjoy the connectivity benefits of the Routing Server, you will need to register with the Routing Server when you log in to BitWise. Prior to logging in to BitWise, click the Setup button next to the Connect button to open the BitWise Setup. There is an area to enter an address for the Routing Server, and to specify what port to use. The port must be the same as the port used above (4200 is the default).
Upon connecting to BitWise, you will be registered with the Routing Server. If you could not be registered, an error message will be displayed. Double-check that the correct address was entered in the Setup.
Registration with the Routing Server
Upon successfully registering with the Routing Server, the Routing Server will display the user name and the IP address of the registration. If you want to unregister a user, click on the username, and then click Unregister. Incoming connections will no longer be forwarded to the specified computer.
It is worth pointing out two things here. First, if you later log in from a different computer, and that computer is also set to use the Routing Server, you will be re-registered with your new IP address. Second, if you are unregistered, or move to another computer but are not set up to use the Routing Server, you will not be able to benefit from the services of the Routing Server.
By default, the Routing Server saves the registered user list when it is closed down.
Using the Routing Server
Assuming that everything is set up correctly, everyone that registers with the Routing Server when they log in to BitWise will be able to enjoy significantly increased connectivity with other BitWise users. As incoming connections are established, you will see the connections listed in the right pane of the Routing Server window. The IP address and the time of the connection is also displayed, and the connection is later marked when it is disconnected.
The disconnected/closed connections may be cleaned from the list at any time using the Clean List button. Only active connections will be left displayed.
Download (1.0MB)
Added: 2006-03-02 License: Freeware Price:
1331 downloads
Jimsim Network Simulator 1.1
Jimsim is an application that emulates several routers connected via virutal networks. more>>
Jimsim Network Simulator project can emulate several routers connected via virutal networks. You can connect to the routers with your own favorite telnet program.
Connecting to the Virtual Routers
Use your favorite telnet program to connect to each of the virtual routers. For example:
For router 1 type:
C:>telnet localhost 10000
For router 2 type:
C:>telnet localhost 10001
For router 3 type:
C:>telnet localhost 10002
Network Layout
Currently the network is configured like this:
access-list [1-99] [permit/deny] [ ip wildcard-mask | host a.b.c.d | any ]
ip acccess-list [standard] [name]
ip access-group
show access-list
show ip interface
show ip interface brief
debug interface
encapsulation [hdlc,ppp] (serial interfaces only)
bandwidth
clock rate (serial interfaces)
interface loopback0
User commands:
?
enable
exit
ping ip
show cdp
show cdp neigh
show cdp neigh detail
show interface
show interface e0,eth0,etc
show ip route
show version
Enable commands:
clear counters
clear counters interface
config terminal
copy running startup
copy startup running
debug all
debug ip routing
debug ip eigrp
debug cdp
disable
exit
reload
show run
show startup
show ip eigrp neighbors
show ip eigrp topology
traceroute ip
undebug all
undebug ip routing
undebug ip eigrp
undebug cdp
Config commands:
cdp run
enable password password
end
hostname
banner motd delimiter
banner exec delimiter
banner login delimiter
ip route network netmask dest
interface e0,eth0,etc
bandwidth value
ip address addr netmask
description
cdp enable
shutdown
line con0, console0, console 0
login
login local
password passwd
router eigrp number
network a.b.c.d
service password-encryption
user username password password
Version restrictions:
- The EIGRP support is very basic. Just the network command for now. (Neighbors dont expire.) You can disable EIGRP with "no router eigrp process_id"
- The routing table isnt 100% correct. It doesnt summarize subnets. Nor does it understand multiple routes to the same destination. This will be fixed in the next version.
- Traceroute seems to count extra hops. Its counting each remote interface on a router as a hop. So, when you traceroute from router1 to router3, it counts router2 twice (once for 192.168.1.2 and 10.1.1.1)
<<lessConnecting to the Virtual Routers
Use your favorite telnet program to connect to each of the virtual routers. For example:
For router 1 type:
C:>telnet localhost 10000
For router 2 type:
C:>telnet localhost 10001
For router 3 type:
C:>telnet localhost 10002
Network Layout
Currently the network is configured like this:
access-list [1-99] [permit/deny] [ ip wildcard-mask | host a.b.c.d | any ]
ip acccess-list [standard] [name]
ip access-group
show access-list
show ip interface
show ip interface brief
debug interface
encapsulation [hdlc,ppp] (serial interfaces only)
bandwidth
clock rate (serial interfaces)
interface loopback0
User commands:
?
enable
exit
ping ip
show cdp
show cdp neigh
show cdp neigh detail
show interface
show interface e0,eth0,etc
show ip route
show version
Enable commands:
clear counters
clear counters interface
config terminal
copy running startup
copy startup running
debug all
debug ip routing
debug ip eigrp
debug cdp
disable
exit
reload
show run
show startup
show ip eigrp neighbors
show ip eigrp topology
traceroute ip
undebug all
undebug ip routing
undebug ip eigrp
undebug cdp
Config commands:
cdp run
enable password password
end
hostname
banner motd delimiter
banner exec delimiter
banner login delimiter
ip route network netmask dest
interface e0,eth0,etc
bandwidth value
ip address addr netmask
description
cdp enable
shutdown
line con0, console0, console 0
login
login local
password passwd
router eigrp number
network a.b.c.d
service password-encryption
user username password password
Version restrictions:
- The EIGRP support is very basic. Just the network command for now. (Neighbors dont expire.) You can disable EIGRP with "no router eigrp process_id"
- The routing table isnt 100% correct. It doesnt summarize subnets. Nor does it understand multiple routes to the same destination. This will be fixed in the next version.
- Traceroute seems to count extra hops. Its counting each remote interface on a router as a hop. So, when you traceroute from router1 to router3, it counts router2 twice (once for 192.168.1.2 and 10.1.1.1)
Download (0.65MB)
Added: 2006-03-08 License: Free for non-commercial use Price:
1325 downloads
OpenWrt 1.0 RC5
OpenWrt is a Linux distribution for wireless routers. more>>
OpenWrt is a Linux distribution made for wireless routers. Instead of trying to cram every possible feature into one firmware, OpenWrt provides only a minimal firmware with support for add-on packages.
For users this means the ability to custom tune features, removing unwanted packages to make room for other packages and for developers this means being able to focus on packages without having to test and release an entire firmware.
Enhancements:
- Countless bugfixes, various security patches, improved Failsafe, faster installation (new firstboot script), a multilingual Web interface (Cesky, Deutsch, Dansk, Eesti, Espanol, Francais, Italiano, Norsk, and Polski), and ethernet switch configuration (/proc/switch).
<<lessFor users this means the ability to custom tune features, removing unwanted packages to make room for other packages and for developers this means being able to focus on packages without having to test and release an entire firmware.
Enhancements:
- Countless bugfixes, various security patches, improved Failsafe, faster installation (new firstboot script), a multilingual Web interface (Cesky, Deutsch, Dansk, Eesti, Espanol, Francais, Italiano, Norsk, and Polski), and ethernet switch configuration (/proc/switch).
Download (1.9MB)
Added: 2006-03-28 License: GPL (GNU General Public License) Price:
1314 downloads
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