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IPFYI
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556

Remotefs

Medium Risk

TCP — File Transfer

Port Overview

Port Number 556
Service Name Remotefs
Transport Protocol TCP
Category File Transfer
Security Risk Medium
Port Range Well-Known (0-1023)

What is Port 556?

Port 556 is assigned to Remotefs (rfs), an early Sun Microsystems alternative to NFS. Entirely replaced by NFS.

TCP File Transfer

Security Considerations

Port 556 (Remotefs) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.

Recommendation: Keep the service updated. Monitor logs for unusual activity.

Related Ports — File Transfer

20 FTP Data 21 FTP Control 69 TFTP 82 XFER Utility 115 SFTP (Simple FTP) 117 UUCP Path 139 NetBIOS Session 152 BFTP
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