Should port 650 be open on my firewall?

Port 650 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 650 use?

Port 650 (OBEX) uses the TCP/UDP transport protocol and falls under the File Transfer category.

:650 (TCP/UDP)

OBEX

Q: Is port 650 (OBEX) dangerous?

Port 650 is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose with standard security practices.

Low Risk

TCP/UDP — File Transfer

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Port Overview

Port Number 650

Service Name OBEX

Transport Protocol TCP/UDP

Category File Transfer

Security Risk Low

Port Range Well-Known (0-1023)

What is Port 650?

OBEX (OBject EXchange). Protocol for exchanging binary objects (files, contacts, calendar entries) between devices.

TCP/UDP File Transfer

Security Considerations

Port 650 (OBEX) 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.

OBEX

Port Overview

What is Port 650?

Security Considerations

Related Ports — File Transfer

Related Terms