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 ...

Figure A: Our nmap results to view at any time. How to find out what’s on your network with Nmap Your email has been sent Have you ever wanted to know what devices were on your network, but didn’t ...

If SSH is the Swiss Army knife of the system administration world, Nmap is a box of dynamite. It's really easy to misuse dynamite and blow your foot off, but it's also a very powerful tool that can do ...

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 ...

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 ...

If you’re considering adding Linux to your data center, or your company is looking at promoting you to become their first (or next) Linux admin, you probably understand there are lots of commands to ...

nmap -sS -PN -p1-1024 --traceroute --reason -O -sV {My IP} -vv (This is all "don't quote me") -sS is a type of scan where TCP connections are not fully established -PN means skip checking if host is ...

Computerworld recently showcased 10 great free network management tools. Readers responded with some of their own favorites, so I’m going to take a look at those tools and report on their capabilities ...

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 ...