- Close the port if nothing on the host needs it.
- Identify the process that listens on it (commands below) before opening it in a firewall.
- Expose a service only to the networks that use it.
Port 6442: Transitory Application Request Protocol
Port 6442 is assigned by IANA to tarp (Transitory Application Request Protocol).
6442
How tarp works
Other servicesThe client sends a request to port 6442 and the tarp service answers.
- Transport
- TCP
- Exposure risk
- not rated depends on the program listening
- Encryption
- Unknownnot stated by the registry
- IANA status
- Assigned1 registered service
- Range
- Registered (1024-49151)
- Category
- Other services
Is port 6442 dangerous?
We have no specific security note for port 6442. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 6442
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| tarp | 6442 | TCP | Transitory Application Request Protocol | - | 2014-05-16 |
| - | 6442 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 6442, and is it reachable?
Linux
sudo ss -ltnup 'sport = :6442' # process listening on 6442
sudo lsof -nP -i :6442macOS
sudo lsof -nP -i :6442
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6442 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 6442 netstat -ano | findstr :6442
From another machine
nmap -p 6442 -sV <host> nc -zv <host> 6442
Block it in the firewall
sudo ufw deny 6442/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 6442" -Direction Inbound -LocalPort 6442 -Protocol TCP -Action Block # Windows
What is port 6442 used for?
Port 6442 is assigned by IANA to tarp (Transitory Application Request Protocol).
Is port 6442 TCP or UDP?
Port 6442 is registered for TCP.
Is it safe to open port 6442?
It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.
How do I check if port 6442 is open?
On Linux run "ss -ltnup 'sport = :6442'", on macOS "lsof -nP -i :6442", and on Windows "netstat -ano | findstr :6442" to see the local process. From another machine, "nmap -p 6442 <host>" shows whether it is reachable.
Other other services ports
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp