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Scan thousands of ports in a second!
Lets see how internet admins can do this.
How do you know the available ports on a particular IP or IP range on your connection?
Well, if you are thinking about checking manually, it will take a lot of time.
Better to use tools to scan the ports faster.
Not every scanner will have them all, so choose what fits your requirement.
So, here you go.
TCP Port Scanneruses the SYN method and can scan up to 10,000 ports per second.
It works only on Windows.
Nmap
Nmap (web connection Mapper) is one of the administrators favorite tools.
you’re free to installon Windows, Linux, macOS, or build from source code.
Do you know Nmap can scan the ports?
Here is some quick example.
To scan ports in the range, you’re free to use-psyntax.
Netcat
Netcatis a multipurpose connection debugging tool got an in-built port scanning feature.
it’s possible for you to get it installed on NetBSD, FreeBSD, Linux, macOS, etc.
It is free and can be helpful for the following as well.
Advanced Port Scanner
A free scanner to check opened ports with the services its running on.
Theadvanced port scanneris a multi-thread scanner; hence it is fast.
you’re able to also run a command remotely through the GUI.
You have an option to import the gadget lists and export the results data into CSV format.
It is capable of scanning TCP and UDP both and got an inbuilt Whois checker feature.
It supports the following five types of port scans.
Scan results are shown in a nice reporting chart.
It can be used to scan IP addresses and ports.
Additionally, it can fetch NetBIOS information, scan for favorite IP addresses, detect web servers, etc.
Scan results can be saved into CSV, TXT, XML, or as IP-Port lists.
MASSCAN
Its a TCP port scanner that works similar to Nmap.
MASSCAN boasts of scanning the entire internet within 5 minutes.
Check out theirGitHub repofor more information.
Most of them are FREE so try out to see what works best for you.
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