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Port 29168 (sbcap)

IANA assigns port 29168 to sbcap: SBcAP in 3GPP.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
sbcap SCTP SBcAP in 3GPP 3GPP Specifications -

Registry dates for this port: registered 2009-06-11.

Check what is listening on port 29168

Linux: is anything listening on TCP 29168?
sudo ss -tlnp 'sport = :29168'
Linux / macOS: which process owns the port
sudo lsof -nP -i :29168
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':29168 '
Windows (Command Prompt)
netstat -ano | findstr :29168
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 29168 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 29168
From Windows
Test-NetConnection HOST -Port 29168

Block port 29168 in the firewall

ufw
sudo ufw deny 29168/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 29168 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 29168 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 29168' -Direction Inbound -Protocol TCP -LocalPort 29168 -Action Block

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