Port 3769HAIPE Network Keying

HAIPE network keying traffic for high-assurance network encryptors.

transport: tcp · udp
in transit: encrypted
assignment: official
risk: 2/10
lookups: 0

also known as haipe-otnk, OTNK

Technical Details

what runs on :3769

no technical write-up for :3769 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 :3769

risk score

2/ 10safe

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

security averages 3.5 across 271 ports — this one sits 1.5 below.

in transit

encrypted

payloads are protected on the wire

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 :3769 yet

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

Record

iana registry entry

port: :3769
service: HAIPE Network Keying
transport: TCPUDP
encryption: tls / encrypted
assignment: iana registered
risk: 2/10safe
category: Security Network Services
usage: TCP and UDP port 3769 is assigned for HAIPE Network Keying, associated with HAIPE high-assurance network encryption equipment. The assignment is registered to Mike Irani 2.
lookups: 0rank 994
added: 2026-09-05
updated: 2026-09-05
references: IANA service name registry — port 3769

Something wrong?

This record is maintained by the engineers who use port 3769. 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 2026-09-05.

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 271 in security →

the 8 most looked-up other ports in security — 271 ports carry that label.

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:3128	Squid Proxy HTTP	TCP	Web Services	caution	45.8k
:8080	HTTP Alternate	TCPtls	Web Services	caution	44.9k
:7000	Vuze HTTPS Tracker	TCPtls	Security	caution	28.9k

risk mix of the 8 listed

caution100%

3 of 8 encrypted

Port :3769HAIPE Network Keying

Technical Details

Security Information

Related Ports

Port 3769HAIPE Network Keying