Port 6602Windows WSS Communication Framework

TCP port 6602 is assigned to the Windows WSS Communication Framework; no widely documented deployment is known.

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

also known as wsscomfrmwk

Technical Details

what runs on :6602

Windows WSS Communication Framework is registered on port :6602 over tcp to Rong Yu, 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 :6602

this machine

# linux
sudo ss -tlpn 'sport = :6602'

# macos / bsd
sudo lsof -nP -i :6602

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :6602

another host

nmap -sV -p T:6602 <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 :6602

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

every listening transport is another surface to filter at the edge

security overview

no security notes recorded for :6602 yet

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

Record

iana registry entry

port: :6602
service: Windows WSS Communication Framework
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA assigns TCP port 6602 to the Windows WSS Communication Framework, registered to Rong Yu in 2010. No widely documented product or deployment is known to commonly listen on it.
lookups: 0rank 993
added: 2026-10-11
updated: 2026-10-11
references: IANA service name registry — port 6602

Something wrong?

This record is maintained by the engineers who use port 6602. 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 2026-10-11.

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 :6602, by lookups.

port	service	proto	category	risk	views
:6543	Jetnet	UDP	Network Services	caution	65.3k
:6619	Odette FTPS	TCPUDPtls	Security	caution	16.0k
:6646	McAfee Agent Discovery	UDP	Security	caution	15.8k
:6571	Windows Live FolderShare		File Transfer	caution	11.2k
:6665	IRC	TCP	Network Services	caution	10.5k
:6660	IRC	TCP	Voice and Chat	caution	10.2k
:6566	SANE Scanner Daemon	TCP	Network Services	caution	7.3k
:6600	Music Player Daemon	TCP	Streaming	caution	7.1k

risk mix of the 8 listed

caution100%

1 of 8 encrypted

Port :6602Windows WSS Communication Framework

Technical Details

Security Information

Related Ports

Port 6602Windows WSS Communication Framework