Linux networking isn’t just for sysadmins — it’s for anyone who wants to understand, secure, and optimize their connections. From finding your IP to scanning your network with nmap, these commands ...

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 ...

You may have heard horror stories about how easy it is for evil system crackers to probe potential victims' systems for vulnerabilities using software tools readily available on the Internet. The bad ...

With this quick and simple Nmap command, you can discover every host and associated IP address on your network. Have you ever wanted to know what devices were on your network, but didn’t want to ...

I recently was exchanging e-mail with someone who regularly needs to port scan his own network for vulnerability trending. The port scanning tool of choice for this task is Nmap, but managing the data ...

Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig. There are a lot of commands ...