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Port 9700 (board-roar)

IANA assigns port 9700 to board-roar: Board M.I.T. Service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
board-roar TCP Board M.I.T. Service Francesco Rosi -
board-roar UDP Board M.I.T. Service Francesco Rosi -

Registry dates for this port: registered 2006-01.

Check what is listening on port 9700

Linux: is anything listening on TCP 9700?
sudo ss -tlnp 'sport = :9700'
Linux: UDP 9700
sudo ss -ulnp 'sport = :9700'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9700
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':9700 '
Windows (Command Prompt)
netstat -ano | findstr :9700
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9700 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 9700
From Windows
Test-NetConnection HOST -Port 9700
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 9700

Block port 9700 in the firewall

ufw
sudo ufw deny 9700/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 9700 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 9700 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 9700' -Direction Inbound -Protocol TCP -LocalPort 9700 -Action Block
ufw
sudo ufw deny 9700/udp
iptables
sudo iptables -A INPUT -p udp --dport 9700 -j DROP
nftables
sudo nft add rule inet filter input udp dport 9700 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 9700' -Direction Inbound -Protocol UDP -LocalPort 9700 -Action Block

Related ports

9694client-wakeup9695ccnx9747l5nas-parchan9750board-voip

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