Port 8417eSpeech RTP Protocol

An obscure eSpeech RTP service assignment with no established general-purpose use.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 1/10
lookups: 0

Technical Details

what runs on :8417

eSpeech RTP Protocol is registered on port :8417 over tcp and udp to Scott Tarone, assigned April 2003. 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 :8417

this machine

# linux
sudo ss -tulpn 'sport = :8417'

# macos / bsd
sudo lsof -nP -i :8417

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :8417

another host

nmap -sV -p T:8417 <host>
sudo nmap -sU -sV -p U:8417 <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 :8417

risk 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 :8417 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

Record

iana registry entry

port: :8417
service: eSpeech RTP Protocol
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA assigns TCP and UDP port 8417 to the eSpeech RTP Protocol, registered to Scott Tarone. No established public deployment or commonly encountered listener is known.
lookups: 0rank 993
added: 2026-10-14
updated: 2026-10-14
references: IANA service name registry — port 8417

Something wrong?

This record is maintained by the engineers who use port 8417. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-10-14.

01edit any field on a page of its own
02a model checks it for accuracy and spam
03clean and confident goes live immediately

edit this record →back to the registry

Related Ports

browse categories →

ports registered around :8417, by lookups.

port	service	proto	category	risk	views
:8443	Plesk/Tomcat SSL	TCPtls	Web Services	caution	14.2k
:8442	CyBro A-bus	TCPUDP	Network Services	caution	11.6k
:8400	Commvault CVP	TCPUDP	File Transfer	caution	6.9k
:8473	Virtual Point to Point	TCPUDP	Network Services	safe	0
:8401	sabarsd	TCPUDP	—	safe	0
:8383	M2M Services	TCPUDP	—	safe	0
:8403	admind	TCPUDP	System	safe	0
:8402	abarsd	TCPUDP	—	safe	0

risk mix of the 8 listed

safe63%
caution38%

1 of 8 encrypted

Port :8417eSpeech RTP Protocol

Technical Details

Security Information

Related Ports

Port 8417eSpeech RTP Protocol