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Port 7402 (rtps-dd-mt)

IANA assigns port 7402 to rtps-dd-mt: RTPS Data-Distribution Meta-Traffic.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
rtps-dd-mt TCP RTPS Data-Distribution Meta-Traffic Gerardo Pardo Castel -
rtps-dd-mt UDP RTPS Data-Distribution Meta-Traffic Gerardo Pardo Castel -

Registry dates for this port: registered 2005-10.

Check what is listening on port 7402

Linux: is anything listening on TCP 7402?
sudo ss -tlnp 'sport = :7402'
Linux: UDP 7402
sudo ss -ulnp 'sport = :7402'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7402
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7402 '
Windows (Command Prompt)
netstat -ano | findstr :7402
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7402 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7402
From Windows
Test-NetConnection HOST -Port 7402
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7402

Block port 7402 in the firewall

ufw
sudo ufw deny 7402/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7402 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7402 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7402' -Direction Inbound -Protocol TCP -LocalPort 7402 -Action Block
ufw
sudo ufw deny 7402/udp
iptables
sudo iptables -A INPUT -p udp --dport 7402 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7402 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7402' -Direction Inbound -Protocol UDP -LocalPort 7402 -Action Block

Related ports

7400rtps-discovery7401rtps-dd-ut7410ionixnetmon7411daqstream

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