Port 6442Transitory Application Request Protocol

IANA assigns TCP port 6442 to the Transitory Application Request Protocol; no common deployment is established.

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

also known as tarp

Technical Details

what runs on :6442

Transitory Application Request Protocol is registered on port :6442 over tcp to Chris Peel 2, assigned May 2014. 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 :6442

this machine

# linux
sudo ss -tlpn 'sport = :6442'

# macos / bsd
sudo lsof -nP -i :6442

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :6442

another host

nmap -sV -p T:6442 <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 :6442

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 :6442 yet

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

Record

iana registry entry

port: :6442
service: Transitory Application Request Protocol
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The IANA assignment names the Transitory Application Request Protocol and lists Chris Peel 2 as its registrant. No widely known product or common listener is associated with this port.
lookups: 0rank 993
added: 2026-10-10
updated: 2026-10-10
references: IANA service name registry — port 6442

Something wrong?

This record is maintained by the engineers who use port 6442. 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 2026-10-10.

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 :6442, by lookups.

port	service	proto	category	risk	views
:6502	Netop Remote Control	TCPUDP	Security	caution	9.1k
:6444	SGE Qmaster	TCPUDP	Network Services	caution	8.8k
:6432	PgBouncer	TCP	Databases	caution	8.7k
:6445	Sun Grid Engine Exec	TCPUDP	System	caution	8.1k
:6389	EMC CLARiiON	TCP	Databases	caution	4.9k
:6503	Netop School	UDP	Remote Access	caution	4.7k
:6405	SAP BusinessObjects Enterprise internal server		System	safe	0
:6503	BoKS Clntd	TCPUDP	System	safe	0

risk mix of the 8 listed

safe25%
caution75%

0 of 8 encrypted

Port :6442Transitory Application Request Protocol

Technical Details

Security Information

Related Ports

Port 6442Transitory Application Request Protocol