Yahoo Messenger
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TCP — Messaging
Port Overview
What is Port 5050?
Port 5050 was the primary port used by Yahoo Messenger for instant messaging communications. It was also used by some versions of the protocol as a fallback when port 80 was blocked. Yahoo Messenger was discontinued in 2018, but this port may still appear in legacy network configurations.
Security Considerations
Port 5050 (Yahoo Messenger) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.
Recommendation: Standard security practices apply. Keep software updated and monitor access.