Port 559TEEDTAP

TEEDTAP is an IANA-registered service assigned to TCP and UDP port 559.

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

Technical Details

what runs on :559

no technical write-up for :559 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 :559

risk score

1/ 10safe

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

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 :559 yet

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

Record

iana registry entry

port: :559
service: TEEDTAP
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The IANA registry assigns TCP and UDP port 559 to the TEEDTAP service. The assignment is registered to Charlie Limoges, with no registration date or additional notes recorded.
lookups: 0rank 994
added: 2026-08-21
updated: 2026-08-21
references: IANA service name registry — port 559

Something wrong?

This record is maintained by the engineers who use port 559. 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 2026-08-21.

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

browse categories →

ports registered around :559, by lookups.

port	service	proto	category	risk	views
:548	Apple Filing Protocol	TCP	File Transfer	caution	36.8k
:593	HTTP RPC Endpoint Mapper	TCPUDP	Network Services	caution	26.0k
:591	FileMaker Web Sharing	TCP	Web Services	caution	23.1k
:623	ASF-RMCP	UDP	Remote Access	caution	20.5k
:502	Modbus Protocol	TCPUDP	Network Services	caution	19.2k
:563	NNTPS	TCPUDPtls	Web Services	safe	18.1k
:546	DHCPv6 Client	TCPUDP	Network Services	caution	16.6k
:547	DHCPv6 Server	TCPUDP	Network Services	caution	14.5k

risk mix of the 8 listed

safe13%
caution88%

1 of 8 encrypted

Port :559TEEDTAP

Technical Details

Security Information

Related Ports

Port 559TEEDTAP