Sending queries to servers on the Internet in order to obtain information about their services and level of security. On Internet hosts (TCP/IP hosts), there are standard port numbers for each type of ...

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 am interested in hearing some advice on what kind of solution I could put together to monitor for port scanning. Here is the kicker--it's someone on our network who is port scanning outside and I ...

A recent update to an ad block filter list now allows the uBlock Origin extension to block most of the known sites that perform port scans of your local Windows computer. A few weeks ago, we reported ...

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 closed) GRC shields up refers to ...

If you care about cybersecurity where your computer network is concerned, then you will want to learn more about Network Scanning because this can aid in the protection of your network. Bear in mind ...

Increased activity on TCP port 12345--best known as both the NetBus Trojan's default port and the port used for a Trend Micro antivirus product--has the security community arguing about who is ...