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Port 2144 (lv-ffx)

IANA assigns port 2144 to lv-ffx: Live Vault Fast Object Transfer.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
lv-ffx TCP Live Vault Fast Object Transfer - -
lv-ffx UDP Live Vault Fast Object Transfer - -

Check what is listening on port 2144

Linux: is anything listening on TCP 2144?
sudo ss -tlnp 'sport = :2144'
Linux: UDP 2144
sudo ss -ulnp 'sport = :2144'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2144
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2144 '
Windows (Command Prompt)
netstat -ano | findstr :2144
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2144 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2144
From Windows
Test-NetConnection HOST -Port 2144
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2144

Block port 2144 in the firewall

ufw
sudo ufw deny 2144/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2144 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2144 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2144' -Direction Inbound -Protocol TCP -LocalPort 2144 -Action Block
ufw
sudo ufw deny 2144/udp
iptables
sudo iptables -A INPUT -p udp --dport 2144 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2144 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2144' -Direction Inbound -Protocol UDP -LocalPort 2144 -Action Block

Related ports

2142tdmoip2143lv-jc2145lv-pici2146lv-not

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