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Port 3032 (redwood-chat)

IANA assigns port 3032 to redwood-chat: Redwood Chat.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
redwood-chat TCP Redwood Chat Songwon Chi -
redwood-chat UDP Redwood Chat Songwon Chi -

Check what is listening on port 3032

Linux: is anything listening on TCP 3032?
sudo ss -tlnp 'sport = :3032'
Linux: UDP 3032
sudo ss -ulnp 'sport = :3032'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3032
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3032 '
Windows (Command Prompt)
netstat -ano | findstr :3032
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3032 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3032
From Windows
Test-NetConnection HOST -Port 3032
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3032

Block port 3032 in the firewall

ufw
sudo ufw deny 3032/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3032 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3032 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3032' -Direction Inbound -Protocol TCP -LocalPort 3032 -Action Block
ufw
sudo ufw deny 3032/udp
iptables
sudo iptables -A INPUT -p udp --dport 3032 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3032 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3032' -Direction Inbound -Protocol UDP -LocalPort 3032 -Action Block

Related ports

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