:548
(TCP)
High Risk
AFP
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TCP — File Transfer
Port Overview
Port Number
548
Service Name
AFP
Transport Protocol
TCP
Category
File Transfer
Security Risk
High
Port Range
Well-Known (0-1023)
What is Port 548?
Port 548 is assigned to AFP (Apple Filing Protocol), used by macOS for file sharing. Largely superseded by SMB in modern macOS. Exposure risks unauthorized file access.
TCP
File Transfer
Commonly Used
Security Considerations
Port 548 (AFP) is classified as high risk. This port is a common target for automated scanning and brute-force attacks. If you must expose it, restrict access to known IP addresses.
Recommendation: Use firewall rules to whitelist trusted IPs. Enable rate limiting and intrusion detection.