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Port 9210 (oma-mlp)

IANA assigns port 9210 to oma-mlp: OMA Mobile Location Protocol.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
oma-mlp TCP OMA Mobile Location Protocol Hans Rohnert -
oma-mlp UDP OMA Mobile Location Protocol Hans Rohnert -

Registry dates for this port: registered 2002-04.

Check what is listening on port 9210

Linux: is anything listening on TCP 9210?
sudo ss -tlnp 'sport = :9210'
Linux: UDP 9210
sudo ss -ulnp 'sport = :9210'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9210
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':9210 '
Windows (Command Prompt)
netstat -ano | findstr :9210
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9210 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 9210
From Windows
Test-NetConnection HOST -Port 9210
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 9210

Block port 9210 in the firewall

ufw
sudo ufw deny 9210/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 9210 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 9210 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 9210' -Direction Inbound -Protocol TCP -LocalPort 9210 -Action Block
ufw
sudo ufw deny 9210/udp
iptables
sudo iptables -A INPUT -p udp --dport 9210 -j DROP
nftables
sudo nft add rule inet filter input udp dport 9210 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 9210' -Direction Inbound -Protocol UDP -LocalPort 9210 -Action Block

Related ports

9208rjcdb-vcards9209almobile-system9211oma-mlp-s9212serverviewdbms

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