The infamous malware has incorporated the legitimate Masscan tool, which looks for open TCP/IP ports with lightning-fast results. The TrickBot trojan is continuing its bounce-back from an autumn ...

(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 ...

Port Query (PortQry.exe) is a command-line utility in the Windows operating system that you can use to help troubleshoot TCP/IP connectivity issues. The tool reports the port status of TCP and UDP ...

In the cybersecurity world, testing for the existence of exploitable vulnerabilities isn’t always an exact science. Checking for open ports (CIS Control 9 - Limitation and Control of Network Ports, ...

If you need to scan your network, nmap is the tool to use. Nmap can be installed on any Linux distribution. Nmap has several very handy commands. The nmap command (short for network mapper) is a ...