Network Map Discovery Open Source

Intermapper maps show a color coded status of network equipment and animate live traffic flow to give you at a glance information on your network health that few products.

Network map discovery open source.

The solarwinds network topology mapper includes on demand device discovery and automated mapping. This tool scans your network and creates an inventory of all the connected devices including software. Nmap network mapper is a free and open source utility for network discovery and security auditing. Many systems and network administrators also find it useful for tasks such as network inventory managing service upgrade schedules and monitoring host or service uptime.

One of the most useful adages for security professionals is know thyself and when it comes to network security the most fundamental task of knowing oneself is network discovery and mapping. Nagios core is the free and open source version that can monitor your infrastructure networks and servers and send alerts when there s an issue. It is basically a command line utility but it provides a gui too called zenmap using it you can scan devices connected in a network and view networks map. Network discovery determines which ports are in use and which ports are open on each device.

It can also identify network infrastructure through wmi and cdp cisco discovery protocol methods. Cacti is a free open source system that was created to provide a front end to the data gathering rddtools. It is used for various tasks like network discovery security auditing network inventory monitoring hosts etc. So you need to install both of these systems to get network discovery and monitoring.

The cacti package includes a set of graph templates. Hierarchical mapping allows you to visualize the status of the whole network on a top level map while drilling in to specific sub maps by office location floor closet etc. Nmap is a free and open source network mapping tool that uses ip packets to determine what hosts are on the network what services are offered by those hosts and identify operating systems firewalls and other information. Using network discovery to map the ports on your network can help ensure unnecessary ports are kept closed to prevent access by an intruder.

Nmap is quite a popular free open source network mapping software for windows. The rddtool system is also open source and free to use. Download jnetmap for free. If a device has open ports that aren t necessary for the device to be used this could be a security issue.

This gives you a great starting point if you are adding to an existing network. It will ping all registered devices every x minutes updating the status according to the result of the ping. One of the products that allow network discovery and mapping is spiceworks inventory. You can choose whether the discovery procedure uses snmp or icmp ping and traceroute to locate devices.