Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf install nmap" on Fedora. To do a quick scan of your network and discover the ...

It is certainly well known that “hacker tools” can be used for many legitimate purposes. Nmap, the Network Mapper and security scanner is no exception. These days, it is used routinely to identify the ...

(With -T1 it's 217sec). So -T5 helps but it's still very slow. An online port scanner like grc.com can find a port over the internet faster. I was hoping it could do ...

Discovering hosts and services isn't just something that hackers do. A good sysadmin needs to work with an up-to-date view of the systems they manage or those they want to keep an eye on. You have to ...

So far, in my previous articles on Nmap, we've looked at how the scanner can be used to map and audit a network, as well as track down noncompliant devices and services. But hackers can also use Nmap ...

Last month we began exploring the dangerous and fun world of scanning, focusing on the powerful port scanner Nmap. Nmap helps system administrators and security auditors (and yes, prospective crackers ...

The great thing about tools is that you often can misuse them for a completely different purpose. The end of a screwdriver makes a passable hammer; a butter knife can be a screwdriver, and even a ...

The Nmap Project just released the Holiday Edition of its open source cross-platform security scanner and network mapper, with several important improvements and bug fixes. New features in Nmap 7.40 ...