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Port 5084 (llrp)

IANA assigns port 5084 to llrp: EPCglobal Low-Level Reader Protocol.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
llrp TCP EPCglobal Low-Level Reader Protocol
Defined TXT keys: None. RFID reader Low Level Reader Protocol Margaret Cullen, Paul Dietrich -
llrp UDP EPCglobal Low-Level Reader Protocol
Defined TXT keys: None. RFID reader Low Level Reader Protocol Margaret Cullen, Paul Dietrich -

Registry dates for this port: registered 2006-11.

Check what is listening on port 5084

Linux: is anything listening on TCP 5084?
sudo ss -tlnp 'sport = :5084'
Linux: UDP 5084
sudo ss -ulnp 'sport = :5084'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5084
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5084 '
Windows (Command Prompt)
netstat -ano | findstr :5084
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5084 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5084
From Windows
Test-NetConnection HOST -Port 5084
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5084

Block port 5084 in the firewall

ufw
sudo ufw deny 5084/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5084 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5084 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5084' -Direction Inbound -Protocol TCP -LocalPort 5084 -Action Block
ufw
sudo ufw deny 5084/udp
iptables
sudo iptables -A INPUT -p udp --dport 5084 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5084 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5084' -Direction Inbound -Protocol UDP -LocalPort 5084 -Action Block

Related ports

5082qcp5083qfp5085encrypted-llrp5086aprigo-cs

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