Port 52213eTI Extensible Management Protocol for OAMP

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

transport
tcp

single transport

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
1/10

safe

lookups
0

rank 993 of 4,584 · top 22%

also known as 3exmp

Technical Details

what runs on :5221

3eTI Extensible Management Protocol for OAMP is registered on port :5221 over tcp to Bill Rettig, assigned May 2010. We don't have a technical write-up for it beyond the IANA registry entry.

In nmap's internet-wide scan data this port is found open rarely. What's listening is often not the registered service, so check before you assume.

find what's listening on :5221

this machine
# linux
sudo ss -tlpn 'sport = :5221'

# macos / bsd
sudo lsof -nP -i :5221

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :5221
another host
nmap -sV -p T:5221 <host>

run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.

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 2.7 across 1,376 ports — this one sits 1.7 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.

the 8 most looked-up other ports in network services — 1,376 ports carry that label.

risk mix of the 8 listed

  • caution100%

0 of 8 encrypted