![]() ![]() This file has all the settings and progresses from the scan. During the scanning process we can press CTRL+C then after some seconds it will pause it and save a nf file. Scanning on a large network we found it useful. There is a pause function in masscan, Yes we can pause the scanning process and resume it when we need. ![]() We can choose our top ports numbers, an example of this is following (Scans for top 10 ports): It'll scan the top 100 most common ports discovered according to nmap. We also can scan a network for the top ports. We like the Grepable format because we can use the output on other tools. Not only txt format we also can save the results in XML ( -oX), Grepable ( -oG) and JSON ( -oJ) formats. To save the output result in a file we can use following command: This is how we can find a specific or vulnerable port all over the internet. That is really fast but with the Linux system we can get the maximum speed. On other systems we can get only 300,000 packets/sec. Masscan works best on primary installed Linux systems. One more thing, we can't achieve the max speed on Mac, Windows or Virtual Linux systems. Using the above command we can achieve the fastest speed (25 million packets/sec). To increase it we need to use -rate flag with it. The reason is masscan scans at the rate of 100 packets/sec, which is slow. We said that masscan is the fastest scanner but after using previous commands we didn't feel that it is faster. The above command will check for every port. There are a limited number of ports, that is 65535. So in case we need to find all the ports then we can use following command The above command will scan for port 12 to port 443 on our given IP address. To scan a range of ports we can use following command: We also can use this tool to scan multiple ports separated by comma(,). Masscan is used for scan a network, if we want to scan a single port then we can perform it by applying following command: Git clone cd masscan sudo make Uses of Masscan ![]() The following commands will be useful to install it from Git repository. We also can install it from it's GitHub repository. Then we can install it by applying following command:ĭependencies doesn't require to install it, these dependencies help masscan to work perfectly. Sudo apt-get install clang git gcc make libpcap-dev Before installing it we need to install it's dependencies by using following command: If our system doesn't have masscan then we need to install it. We can check the basic uses by simply enter following command: Masscan comes pre-installed with the Kali Linux full version. We will discuss later the differences between masscan and nmap, now let's check how to install and use masscan in our system. Anything other than a simple port scan may cause conflict with the local TCP/IP stack. Masscan uses it's own custom TCP/IP stack. It is faster because of flexibility allowing arbitrary ranges and port ranges. This fastest port scanner gives the output like nmap but masscan works like unicornscann, Zenmap internally(asynchronous scan). ![]()
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