Port 35002 (rt-sound)

IANA assigns port 35002 to rt-sound: ReadyTech Sound Server.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

rt-sound TCP ReadyTech Sound Server ReadyTech Corporation -

Registry dates for this port: registered 2013-09-13.

Linux: is anything listening on TCP 35002?

sudo ss -tlnp 'sport = :35002'

Linux / macOS: which process owns the port

sudo lsof -nP -i :35002

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':35002 '

Windows (Command Prompt)

netstat -ano | findstr :35002

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 35002 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 35002

From Windows

Test-NetConnection HOST -Port 35002

ufw

sudo ufw deny 35002/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 35002 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 35002 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 35002' -Direction Inbound -Protocol TCP -LocalPort 35002 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.