Information about Viruses, Hackers and Spam. Free Online Virus, Malware and URL Scanner. Conficker Eye Chart. Virus through port communication. A port (TCP/UDP) is an address associated with a particular process on a computer.
Ports have a unique number in the header of a data packet that is used to map this data to that process. Port numbers are divided into three ranges: Well Known Ports, Registered Ports, and Dynamic/Private Ports.