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// Other services

Port 3579: Tarantella Load Balancing

Port 3579 is assigned by IANA to ttat3lb (Tarantella Load Balancing).

3579

How ttat3lb works

Other services
client:3579ttat3lbresponse client:3579ttat3lbresponse

The client sends a request to port 3579 and the ttat3lb 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 3579 dangerous?

We have no specific security note for port 3579. 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 3579

ServicePortTransportDescriptionReferenceUpdated
ttat3lb 3579 TCP, UDP Tarantella Load Balancing - 2002-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 3579, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3579'      # process listening on 3579
sudo lsof -nP -i :3579

macOS

sudo lsof -nP -i :3579

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3579 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3579
netstat -ano | findstr :3579

From another machine

nmap -p 3579 -sV <host>
sudo nmap -sU -p 3579 <host>
nc -zv <host> 3579

Block it in the firewall

sudo ufw deny 3579/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3579" -Direction Inbound -LocalPort 3579 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3579 used for?

Port 3579 is assigned by IANA to ttat3lb (Tarantella Load Balancing).

Is port 3579 TCP or UDP?

Port 3579 is registered for TCP and UDP.

Is it safe to open port 3579?

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 3579 is open?

On Linux run "ss -ltnup 'sport = :3579'", on macOS "lsof -nP -i :3579", and on Windows "netstat -ano | findstr :3579" to see the local process. From another machine, "nmap -p 3579 <host>" shows whether it is reachable.

05 Related
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