[b]modem scan nmap[/b][b][/b] sudo nmap -v -O --osscan-guess 192.168.0.1/24 map scan report for 192.168.0.8 Host is up (0.0070s latency). Not shown: 999 closed ports PORT STATE SERVICE 5555/tcp open ...

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 ...

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 ...

Most people might figure that once you set up your network security-wise, what's done is done, and besides routine updates, ...

A number of weeks ago, I provided and described a script that uses nmap to quickly scan a system or subnet for activity on a particular port. Useful for detecting, say, web servers or Oracle ...

I ran a tcp nmap scan on my Win2k machine, and it shows port 1025 open. It's not blackjack, and if I disable it I lose Internet access View image ...

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 ...

If you're smart and you're connected to the net, you're concerned about computer security. Open ports on your computers are invitations to criminal hackers and other evildoers to wreak havoc - and if ...

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 ...

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 ...