There are many for scanning in Linux, like SANE and skanlite. Network administrators need to scan for connected devices on the network as a security measure.Scanning on Linux is generally a quick and easy process that just works. With the rise of the Internet of Things(IoT), more devices are being connected to the internet. This raises the concern of organizations to protect their network and online resources from any potential security breaches. Any negligence, in this case, can lead to the loss of potential assets and the reputation of the organization. This is true as even big players like Github, FireEye, Capitol One, etc., have become the victims of cyberattacks in recent times. Maintaining a stable and secure network by preventing unauthorized access and keeping an eye on the activity of legitimate users is very important. Organizations spend millions of dollars on securing themselves from any threat exposure. Angry IP Scanner is a lightweight yet powerful Linux port scanner. In case of any awful event, knowing who is connected to the network is the first and most fundamental step towards the threat analysis. It’s a Java-based tool and provides a minimal GUI interface. Angry IP Scanner is known for its blazing fast speed. Moreover, it leverages multiple threads for speeding up the scanning process even more. It does this by creating a separate scanning thread for. This helps the administrators to narrow the investigation process, and it also makes trouble tracking easier. In this guide, we will explore different ways to discover different devices connected to our network. Using the Nmap command-line tool for scanning a network.įirst, we will see the command line tools natively available on Ubuntu 20.04 for scanning a network then, we will see a gui program build for this purpose. Nmap or Network Mapper is undoubtedly one of the most used programs for discovering hosts connected to a network. It is used by Network Administrators, Security Auditors, Penetration Testers, Ethical Hackers, etc. To install nmap on Ubuntu 20.04, use the command: It is open-source and freely available for use. $ arp-scan -h Using Network Scanner Tools for scanning network devices.īesides command-line-based tools, there are many GUI-based IP scanner tools available for Linux. The capabilities and functionality of these tools may vary. One of the popular IP scanning tools is Angry IP Scanner.Īngry IP Scanner is a freely available network scanner. It sends ping requests to a host to determine if it is Up. It will then look for the MAC address, hostname, etc. It can be downloaded from the AngryIP website as shown here:Īfter downloading the file, open it with Software Install. AngryIp requires java to be installed on your system. If java is not already installed on your system, it will be automatically installed with the software installation process.Īfter installation is complete, the AngryIP scanner can be launched from the application menu as:īy default, it will automatically fetch the IP range for your network. Sample output after scanning a LAN is shown here: Just press the start button to start the scan. Yes, it is this simple to use AngryIP for network scanning. It will show the number of hosts alive and open ports. In this guide, we have seen different ways to scan a network. In case you have a large network of devices, like an IT department of an organization, we would suggest you use a Firewall product from some reputable vendors. An enterprise firewall has more capability and control over a network. With a firewall, besides scanning a large network with multiple subnets, we can limit bandwidth usage, block users and services, prevent network attacks, and so on.Angry Ip Scanner is a small open source application that lets you scan IP addresses and ports, with options to specify the range of the scan by yourself. #Angry ip scanner for linux mac#Īfter pinging the target IP it is able to resolve other data like hostname, MAC address and open ports. It also has additional features, like NetBIOS information (computer name, workgroup name, and currently logged in Windows user), favorite IP address ranges, customizable openers, etc. The tool is mainly useful for system administrators who want to take a quick look at their network and see whats going on. Plugins enhance the tool tremendously, for instance there are plugins that detect FTP servers, windows shares and more. Update: Angry IP Scanner has last been updated in 2011 which may be an indication that the developer has put the project on ice, or abandoned it completely.
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