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What is an Open Port, and Why are they Dangerous?

5 years ago www.upguard.com

Summary: This is a summary of an article originally published by the source. Read the full original article here →

In cybersecurity, the term open port refers to a TCP or UDP port number that is configured to accept packets. In contrast, a port which rejects connections or ignores all packets, is a closed port. Ports are an integral part of the Internet's communication model.