Port 31029YaWN (Yet Another Windows Notifier)
UDP port 31029 is assigned to YaWN, or Yet Another Windows Notifier; public protocol and deployment details are not documented.
- transport
- udp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
single transport
payload readable on path
registered with iana
safe
rank 993 of 6,521 · top 15%
Technical Details
what runs on :31029YaWN (Yet Another Windows Notifier) is registered on port :31029 over udp to David Spivey, assigned August 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 never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.
find what's listening on :31029
# linux
sudo ss -ulpn 'sport = :31029'
# macos / bsd
sudo lsof -nP -i :31029
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :31029sudo nmap -sU -sV -p U:31029 <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 detailsSecurity Information
exposure of :31029risk 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
udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
no security notes recorded for :31029 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :31029, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :30999 | OpenView Service Desk Client | TCPUDP | Network Services | safe | 0 |
| :31016 | Kollective Delivery Protocol (KDP) | UDP | Network Services | safe | 0 |
| :31020 | Autotrac ACP 245 | TCP | — | safe | 0 |
risk mix of the 3 listed
- safe100%
0 of 3 encrypted