Port 3097 (itu-bicc-stc)

IANA assigns port 3097 to itu-bicc-stc: ITU-T Q.1902.1/Q.2150.3.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

itu-bicc-stc SCTP ITU-T Q.1902.1/Q.2150.3 Greg Sidebottom -

Linux: is anything listening on TCP 3097?

sudo ss -tlnp 'sport = :3097'

Linux / macOS: which process owns the port

sudo lsof -nP -i :3097

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':3097 '

Windows (Command Prompt)

netstat -ano | findstr :3097

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3097 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 3097

From Windows

Test-NetConnection HOST -Port 3097

ufw

sudo ufw deny 3097/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 3097 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 3097 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 3097' -Direction Inbound -Protocol TCP -LocalPort 3097 -Action Block

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