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Port 5215 (noteza)

IANA assigns port 5215 to noteza: NOTEZA Data Safety Service.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
noteza TCP NOTEZA Data Safety Service CNS a.s. -
noteza SCTP NOTEZA Data Safety Service CNS a.s. -

Registry dates for this port: registered 2014-06-12.

Check what is listening on port 5215

Linux: is anything listening on TCP 5215?
sudo ss -tlnp 'sport = :5215'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5215
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5215 '
Windows (Command Prompt)
netstat -ano | findstr :5215
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5215 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5215
From Windows
Test-NetConnection HOST -Port 5215

Block port 5215 in the firewall

ufw
sudo ufw deny 5215/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5215 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5215 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5215' -Direction Inbound -Protocol TCP -LocalPort 5215 -Action Block

Related ports

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