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// Gaming

Port 2346: Game Connection Port

Port 2346 is assigned by IANA to redstorm_join (Game Connection Port), redstorm-join (Game Connection Port IANA assigned this well-formed service name as a replacement for "redstorm_join".).

2346

How redstorm_join works

Gaming
playergame serverposition, input, state × 60 / s playerserver60 updates / s

The game client and server exchange small updates many times per second over port 2346.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
Category
Gaming
01 Security

Is port 2346 dangerous?

We have no specific security note for port 2346. Its risk depends on the program actually listening on it. General advice for gaming services:

  • Keep game servers and their plugins updated.
  • Rate-limit queries to limit DDoS amplification.
  • Run game servers under an unprivileged account.
02 Registry

IANA registry entries for port 2346

ServicePortTransportDescriptionReferenceUpdated
redstorm_join 2346 TCP, UDP Game Connection Port - -
redstorm-join 2346 TCP, UDP Game Connection Port IANA assigned this well-formed service name as a replacement for "redstorm_join". - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2346, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2346'      # process listening on 2346
sudo lsof -nP -i :2346

macOS

sudo lsof -nP -i :2346

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2346 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2346
netstat -ano | findstr :2346

From another machine

nmap -p 2346 -sV <host>
sudo nmap -sU -p 2346 <host>
nc -zv <host> 2346

Block it in the firewall

sudo ufw deny 2346/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2346" -Direction Inbound -LocalPort 2346 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2346 used for?

Port 2346 is assigned by IANA to redstorm_join (Game Connection Port), redstorm-join (Game Connection Port IANA assigned this well-formed service name as a replacement for "redstorm_join".).

Is port 2346 TCP or UDP?

Port 2346 is registered for TCP and UDP.

Is it safe to open port 2346?

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. Keep game servers and their plugins updated.

How do I check if port 2346 is open?

On Linux run "ss -ltnup 'sport = :2346'", on macOS "lsof -nP -i :2346", and on Windows "netstat -ano | findstr :2346" to see the local process. From another machine, "nmap -p 2346 <host>" shows whether it is reachable.

05 Related
:25565 Minecraft tcp · moderate risk :27015 Steam / Source engine udp · tcp · moderate risk :666 doom Id Software tcp · udp :1926 Evolution Game Server tcp · udp :2347 Game Announcement and Location tcp · udp :2348 Information to query for game status tcp · udp :2914 Game Lobby tcp · udp :3074 Xbox game port tcp · udp

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