5050

Yahoo Messenger

Low Risk

TCP — Messaging

Port Overview

Port Number 5050
Service Name Yahoo Messenger
Transport Protocol TCP
Category Messaging
Security Risk Low
Port Range Registered (1024-49151)

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.

TCP Messaging

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.

Related Ports — Messaging