Port 52213eTI Extensible Management Protocol for OAMP

3eTI's extensible management protocol for operations, administration, maintenance, and provisioning.

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

also known as 3exmp

Technical Details

what runs on :5221

no technical write-up for :5221 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 :5221

risk score

1/ 10safe

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

network services averages 2.9 across 1,039 ports — this one sits 1.9 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

every listening transport is another surface to filter at the edge

security overview

no security notes recorded for :5221 yet

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

Record

iana registry entry

port: :5221
service: 3eTI Extensible Management Protocol for OAMP
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: Network Services
usage: TCP port 5221 is assigned to the 3eTI Extensible Management Protocol for OAMP (3EXMP). The assignment was registered by Bill Rettig; public information about deployments and protocol behavior is limited.
lookups: 0rank 994
added: 2026-09-08
updated: 2026-09-08
references: IANA service name registry — port 5221

Something wrong?

This record is maintained by the engineers who use port 5221. 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 2026-09-08.

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 1,039 in network services →

the 8 most looked-up other ports in network services — 1,039 ports carry that label.

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:135	Microsoft EPMAP	TCPUDP	Security	caution	51.9k
:3128	Tatsoft Default HTTP Proxy	TCP	Web Services	caution	46.8k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :52213eTI Extensible Management Protocol for OAMP

Technical Details

Security Information

Related Ports

Port 52213eTI Extensible Management Protocol for OAMP