Port 21847NetSpeak Corp. Connection Services
NetSpeak Corp. Connection Services is assigned to TCP and UDP port 21847.
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
2 transports registered
payload readable on path
registered with iana
safe
rank 994 of 1,134 · top 88%
also known as netspeak-cs
Technical Details
what runs on :21847no technical write-up for :21847 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 :21847risk 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 · udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
no security notes recorded for :21847 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :21847, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :21800 | TVNC Pro Multiplexing | TCPUDP | — | safe | 0 |
risk mix of the 1 listed
- safe100%
0 of 1 encrypted