(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 ...

Knowing what services are running on your systems, and being able to identify if and when any of those services change, is the first step in securing your netwsork. Many tools can accomplish this, but ...

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 ...

Nmap is a popular and versatile tool for port scanning, network discovery, and security auditing, but its scan results can be complex to interpret. Vulnerability remediation platform maker Vicarius ...

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 ...