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Port 2466 (lbf)

IANA assigns port 2466 to lbf: Load Balance Forwarding.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
lbf TCP Load Balance Forwarding Kazuhiro Koide -
lbf UDP Load Balance Forwarding Kazuhiro Koide -

Check what is listening on port 2466

Linux: is anything listening on TCP 2466?
sudo ss -tlnp 'sport = :2466'
Linux: UDP 2466
sudo ss -ulnp 'sport = :2466'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2466
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2466 '
Windows (Command Prompt)
netstat -ano | findstr :2466
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2466 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2466
From Windows
Test-NetConnection HOST -Port 2466
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2466

Block port 2466 in the firewall

ufw
sudo ufw deny 2466/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2466 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2466 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2466' -Direction Inbound -Protocol TCP -LocalPort 2466 -Action Block
ufw
sudo ufw deny 2466/udp
iptables
sudo iptables -A INPUT -p udp --dport 2466 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2466 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2466' -Direction Inbound -Protocol UDP -LocalPort 2466 -Action Block

Related ports

2464direcpc-si2465lbm2467high-criteria2468qip-msgd

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.