Port 35356Gutters Note Exchange

TCP port 35356 is assigned to Gutters Note Exchange, a service registered to Squee Application Development.

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

also known as guttersnex

Technical Details

what runs on :35356

Gutters Note Exchange is registered on port :35356 over tcp to Squee Application Development, assigned July 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 :35356

this machine

# linux
sudo ss -tlpn 'sport = :35356'

# macos / bsd
sudo lsof -nP -i :35356

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :35356

another host

nmap -sV -p T:35356 <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 :35356

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 :35356 yet

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

Record

iana registry entry

port: :35356
service: Gutters Note Exchange
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: IANA assigns TCP port 35356 to Gutters Note Exchange and lists Squee Application Development as the registrant. No established public usage beyond this assignment is known.
lookups: 0rank 993
added: 2026-10-20
updated: 2026-10-20
references: IANA service name registry — port 35356

Something wrong?

This record is maintained by the engineers who use port 35356. 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 2026-10-20.

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 :35356, by lookups.

port	service	proto	category	risk
:35354	KIT Messenger	TCP	Voice and Chat	safe
:35355	Altova License Management Discovery	UDP	Network Services	safe
:35357	OpenStack Identity (Keystone) API	TCP	Web Services	risk

risk mix of the 3 listed

safe67%
risk33%

0 of 3 encrypted

Port :35356Gutters Note Exchange

Technical Details

Security Information

Related Ports

Port 35356Gutters Note Exchange