Port 4672Remote File Access

Port 4672 is assigned to remote file access server traffic over TCP and UDP.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 1/10
lookups: 0

also known as rfa

1 other service is registered on port 4672. compare all 2 →

Technical Details

what runs on :4672

no technical write-up for :4672 yet

the handshake, the implementations you meet in the wild, the flags that matter. we have the registry entry — the detail comes from the engineers who run it.

add technical details

Security Information

exposure of :4672

risk score

1/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

file transfer averages 4.1 across 120 ports — this one sits 3.1 below.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

tcp · udp

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

security overview

no security notes recorded for :4672 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

Record

iana registry entry

port: :4672
service: Remote File Access
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: File Transfer Remote Access
usage: IANA assigns TCP and UDP port 4672 to a service named Remote File Access server. No registrant or specific product is recorded, and the service is only occasionally observed in internet-wide scans.
lookups: 0rank 994
added: 2026-08-20
updated: 2026-08-20
references: IANA service name registry — port 4672

Something wrong?

This record is maintained by the engineers who use port 4672. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-08-20.

01edit any field on a page of its own
02a model checks it for accuracy and spam
03clean and confident goes live immediately

edit this record →back to the registry

Related Ports

all 120 in file transfer →

the 8 most looked-up other ports in file transfer — 120 ports carry that label.

port	service	proto	category	risk	views
:9080	Groove RPC	TCPUDP	Web Services	caution	70.8k
:17500	Dropbox LAN Sync	TCPUDP	File Transfer	caution	43.7k
:548	Apple Filing Protocol	TCP	File Transfer	caution	36.8k
:7000	Vuze HTTPS Tracker	TCPtls	Security	caution	28.9k
:1337	PowerFolder P2P	TCP	Security	caution	27.1k
:9001	SharePoint Authoring		Web Services	caution	26.3k
:8080	FilePhile Relay	UDP	File Transfer	caution	25.6k
:1337	WASTE Encrypted Sharing	TCP	Security	caution	22.9k

risk mix of the 8 listed

caution100%

1 of 8 encrypted

Port :4672Remote File Access

Technical Details

Security Information

Related Ports

Port 4672Remote File Access