Port 4394American Printware Discovery

UDP port for American Printware device and service discovery.

transport
udp

single transport

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
1/10

safe

lookups
0

rank 994 of 2,557 · top 39%

also known as apwi-disc

Technical Details

what runs on :4394

no technical write-up for :4394 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.

Security Information

exposure of :4394

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 3.0 across 978 ports — this one sits 2.0 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

udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

no security notes recorded for :4394 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 — 978 ports carry that label.

risk mix of the 8 listed

  • caution100%

0 of 8 encrypted