In TCP/IP and UDP networks, a port is an endpoint to a logical connection and the way a client program specifies a specific server program on a computer in a network. Some ports have been preassigned ...

IP tools, when used properly, can help system builders tackle set-up and configuration chores, speed troubleshooting and problems resolution, and address all kinds of security issues and concerns. A ...

Why you need to know Cisco IOS ACL port numbers Your email has been sent What’s a port number? What does this have to do with the Cisco IOS? When do I need to know a port number? Summary When working ...

A significant increase this weekend in TCP traffic with source port zero detected could be part of reconnaissance efforts in preparation for more serious attacks, according to security researchers ...

Netstat, the TCP/IP networking utility, has a simple set of options and identifies a computer’s listening ports, along with incoming and outgoing network connections. This data can be very helpful if ...

Security continues to be the biggest concern for IT managers and, in turn, design engineers developing firewall systems. With more viruses popping up and hackers attacking more often, corporations are ...

We can use Nmap to discover even more information about the target machine by using some different scan types. Try the 'Intense scan, all TCP ports' scanning option. This takes a few moments to ...

Trying to understand every detail involved in creating an embedded product that communicates via Internet protocols can be a daunting task. These protocols were created for systems that generally have ...