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

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 ...

We use VPNs on our devices for various reasons. Privacy and security are the prime reasons for them. There are many VPN service providers that are available to ...

Hi, these last days I have been having trouble with my internet, and when I checked my router logs I got this: Xmas port scan attack from WAN (ip:69.164.26.100) detected. Xmas port scan attack from ...

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, ...

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 ...

Press "Windows-R" to open a Run box. Type "cmd" -- without quotes here and throughout -- in the "Open" field, then press "Enter." If a User Account Control message displays, click the "Yes" button. A ...

I'm looking for an online port scanner that lets me give it an IP and list of ports, and tells me if ports are filtered or closed. (like how nmap mentions filtered or ...