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// Other services

Port 3301: Tarantool in-memory computing platform

Port 3301 is assigned by IANA to tarantool (Tarantool in-memory computing platform).

3301

How tarantool works

Other services
client:3301tarantoolresponse client:3301tarantoolresponse

The client sends a request to port 3301 and the tarantool service answers.

Transport
TCP · UDP
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
01 Security

Is port 3301 dangerous?

We have no specific security note for port 3301. Its risk depends on the program actually listening on it. General advice for other services services:

  • 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.
02 Registry

IANA registry entries for port 3301

ServicePortTransportDescriptionReferenceUpdated
tarantool 3301 TCP, UDP Tarantool in-memory computing platform
Reported: Known Unauthorized Use on port 3301
 - 2022-06-10

// source: IANA service name and port number registry

03 Check it

Which program uses port 3301, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3301'      # process listening on 3301
sudo lsof -nP -i :3301

macOS

sudo lsof -nP -i :3301

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3301 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3301
netstat -ano | findstr :3301

From another machine

nmap -p 3301 -sV <host>
sudo nmap -sU -p 3301 <host>
nc -zv <host> 3301

Block it in the firewall

sudo ufw deny 3301/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3301" -Direction Inbound -LocalPort 3301 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3301 used for?

Port 3301 is assigned by IANA to tarantool (Tarantool in-memory computing platform).

Is port 3301 TCP or UDP?

Port 3301 is registered for TCP and UDP.

Is it safe to open port 3301?

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 3301 is open?

On Linux run "ss -ltnup 'sport = :3301'", on macOS "lsof -nP -i :3301", and on Windows "netstat -ano | findstr :3301" to see the local process. From another machine, "nmap -p 3301 <host>" shows whether it is reachable.

05 Related
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