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// Other services

Port 2466: Load Balance Forwarding

Port 2466 is assigned by IANA to lbf (Load Balance Forwarding).

2466

How lbf works

Other services
client:2466lbfresponse client:2466lbfresponse

The client sends a request to port 2466 and the lbf 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 2466 dangerous?

We have no specific security note for port 2466. 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 2466

ServicePortTransportDescriptionReferenceUpdated
lbf 2466 TCP, UDP Load Balance Forwarding - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2466, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2466'      # process listening on 2466
sudo lsof -nP -i :2466

macOS

sudo lsof -nP -i :2466

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2466 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2466
netstat -ano | findstr :2466

From another machine

nmap -p 2466 -sV <host>
sudo nmap -sU -p 2466 <host>
nc -zv <host> 2466

Block it in the firewall

sudo ufw deny 2466/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2466" -Direction Inbound -LocalPort 2466 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2466 used for?

Port 2466 is assigned by IANA to lbf (Load Balance Forwarding).

Is port 2466 TCP or UDP?

Port 2466 is registered for TCP and UDP.

Is it safe to open port 2466?

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 2466 is open?

On Linux run "ss -ltnup 'sport = :2466'", on macOS "lsof -nP -i :2466", and on Windows "netstat -ano | findstr :2466" to see the local process. From another machine, "nmap -p 2466 <host>" shows whether it is reachable.

05 Related
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