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Port 3214 (jmq-daemon-1)

IANA assigns port 3214 to jmq-daemon-1: JMQ Daemon Port 1.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
jmq-daemon-1 TCP JMQ Daemon Port 1 - -
jmq-daemon-1 UDP JMQ Daemon Port 1 - -

Check what is listening on port 3214

Linux: is anything listening on TCP 3214?
sudo ss -tlnp 'sport = :3214'
Linux: UDP 3214
sudo ss -ulnp 'sport = :3214'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3214
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3214 '
Windows (Command Prompt)
netstat -ano | findstr :3214
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3214 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3214
From Windows
Test-NetConnection HOST -Port 3214
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3214

Block port 3214 in the firewall

ufw
sudo ufw deny 3214/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3214 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3214 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3214' -Direction Inbound -Protocol TCP -LocalPort 3214 -Action Block
ufw
sudo ufw deny 3214/udp
iptables
sudo iptables -A INPUT -p udp --dport 3214 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3214 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3214' -Direction Inbound -Protocol UDP -LocalPort 3214 -Action Block

Related ports

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