Port 1341QuBES

Port 1341 is assigned to the QuBES service over TCP and UDP.

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

Technical Details

what runs on :1341

QuBES is registered on port :1341 over tcp and udp to Eric Grange. 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 :1341

this machine

# linux
sudo ss -tulpn 'sport = :1341'

# macos / bsd
sudo lsof -nP -i :1341

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :1341

another host

nmap -sV -p T:1341 <host>
sudo nmap -sU -sV -p U:1341 <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 :1341

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 :1341 yet

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

Record

iana registry entry

port: :1341
service: QuBES
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: QuBES is the service name assigned to TCP and UDP port 1341. The assignment is registered to Eric Grange, and the service has not been observed open in nmap's internet-wide scan data.
lookups: 0rank 993
added: 2026-09-17
updated: 2026-09-17
references: IANA service name registry — port 1341

Something wrong?

This record is maintained by the engineers who use port 1341. 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 2026-09-17.

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 :1341, by lookups.

port	service	proto	category	risk	views
:1337	PowerFolder P2P	TCP	Security	caution	27.1k
:1311	Dell OpenManage	TCPtls	Remote Access	caution	26.6k
:1337	Men & Mice DNS	UDP	Network Services	safe	24.8k
:1337	WASTE Encrypted Sharing	TCP	Security	caution	22.9k
:1293	IPSec	TCPUDPtls	Security	caution	17.8k
:1313	Xbiim Canvii Server	TCP	Web Services	caution	12.4k
:1319	AMX ICSP	TCP	Network Services	caution	12.4k
:1352	Lotus Notes RPC	TCP	Email	caution	12.3k

risk mix of the 8 listed

safe13%
caution88%

2 of 8 encrypted

Port :1341QuBES

Technical Details

Security Information

Related Ports

Port 1341QuBES