Port 1818Enhanced Trivial File Transfer Protocol

Port 1818 is assigned to the Enhanced Trivial File Transfer Protocol for file transfers over TCP or UDP.

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

also known as etftp, Enhanced TFTP

Technical Details

what runs on :1818

no technical write-up for :1818 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 :1818

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 3.8 across 145 ports — this one sits 2.8 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 :1818 yet

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

Record

iana registry entry

port: :1818
service: Enhanced Trivial File Transfer Protocol
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: File Transfer
usage: IANA assigns TCP and UDP port 1818 to the Enhanced Trivial File Transfer Protocol (ETFTP). The assignment is registered to William Polites; public deployment appears rare.
lookups: 0rank 994
added: 2026-09-01
updated: 2026-09-01
references: IANA service name registry — port 1818

Something wrong?

This record is maintained by the engineers who use port 1818. 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 2026-09-01.

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 145 in file transfer →

the 8 most looked-up other ports in file transfer — 145 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 :1818Enhanced Trivial File Transfer Protocol

Technical Details

Security Information

Related Ports

Port 1818Enhanced Trivial File Transfer Protocol