Port 25604Identifier Tracing Protocol
TCP/25604 is assigned to Identifier Tracing Protocol (IDTP), a service with no established common deployment.
- transport
- tcp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
single transport
payload readable on path
registered with iana
safe
rank 993 of 6,474 · top 15%
also known as idtp
Technical Details
what runs on :25604Identifier Tracing Protocol is registered on port :25604 over tcp to Huang Neng-geng, assigned August 2011. 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 :25604
# linux
sudo ss -tlpn 'sport = :25604'
# macos / bsd
sudo lsof -nP -i :25604
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :25604nmap -sV -p T:25604 <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 :25604risk 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
tcp
every listening transport is another surface to filter at the edge
security overview
no security notes recorded for :25604 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :25604, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :25565 | Minecraft Server | Gaming | caution | 10.5k | |
| :25576 | Sauter Dongle | TCP | — | safe | 0 |
risk mix of the 2 listed
- safe50%
- caution50%
0 of 2 encrypted