Port 34Remote File

Remote File (RF) is an early protocol designed for file sharing and management across remote systems. It facilitates basic file access commands over a network, enabling clients to read, write, and manipulate files residing on a remote server. While largely outdated, it laid the foundation for more secure and efficient file transfer protocols used today..

transport
tcp · udp

2 transports registered

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
5,795

rank 853 of 993 · top 86%

Technical Details

what runs on :34
  • Protocol Overview: Remote File (RF) protocol was designed to enable networked systems to perform file operations remotely, such as creating, reading, updating, and deleting files stored on a remote server. Operating over both TCP and UDP, it aimed to balance reliability and efficiency, albeit with minimal security considerations.

  • Communication Details: Typically, the protocol uses straightforward request-response messaging in which commands and file data are exchanged over an established connection. TCP facilitated reliable delivery, whereas UDP supported simpler, less reliable message transactions when speed was prioritized. Its simplicity made it accessible but also limited its scalability and robustness.

  • Current Status & Interoperability: Today, RF is considered obsolete, having been superseded by advanced file transfer protocols like FTP, SFTP, and SMB/CIFS. However, some legacy embedded systems or specialized applications may still interface with RF-based services either directly or through emulation layers.

Security Information

exposure of :34

risk score

4/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

file transfer averages 4.1 across 114 ports — this one sits 0.1 below.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

unofficial

used by convention, not registered — what answers here varies by deployment

reachable over

tcp · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

  • Common Vulnerabilities:

    • Lack of encryption exposes file data and authentication credentials to interception and eavesdropping attacks.
    • Minimal or absent authentication mechanisms enable unauthorized access.
    • Susceptible to man-in-the-middle attacks due to absence of identity verification.
    • Vulnerable to replay attacks where previous sessions are maliciously reused.
  • Mitigations:

    • Replace RF with secure, modern protocols like SFTP or FTPS wherever feasible.
    • Utilize network segmentation and access controls to isolate legacy RF services.
    • Employ VPNs or encrypted tunnels to safeguard data transmitted over RF.
    • Implement strong authentication gateways in front of RF services.
    • Monitor network traffic for anomalous behavior targeting this port.

the 8 most looked-up other ports in file transfer — 114 ports carry that label.

risk mix of the 8 listed

  • caution100%

1 of 8 encrypted