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Port 6483 (SunVTS-RMI)

IANA assigns port 6483 to SunVTS-RMI: SunVTS RMI.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
SunVTS-RMI TCP SunVTS RMI Sumit Arora -
SunVTS-RMI UDP SunVTS RMI Sumit Arora -

Registry dates for this port: registered 2007-06.

Check what is listening on port 6483

Linux: is anything listening on TCP 6483?
sudo ss -tlnp 'sport = :6483'
Linux: UDP 6483
sudo ss -ulnp 'sport = :6483'
Linux / macOS: which process owns the port
sudo lsof -nP -i :6483
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':6483 '
Windows (Command Prompt)
netstat -ano | findstr :6483
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6483 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 6483
From Windows
Test-NetConnection HOST -Port 6483
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 6483

Block port 6483 in the firewall

ufw
sudo ufw deny 6483/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 6483 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 6483 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 6483' -Direction Inbound -Protocol TCP -LocalPort 6483 -Action Block
ufw
sudo ufw deny 6483/udp
iptables
sudo iptables -A INPUT -p udp --dport 6483 -j DROP
nftables
sudo nft add rule inet filter input udp dport 6483 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 6483' -Direction Inbound -Protocol UDP -LocalPort 6483 -Action Block

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6481servicetags6482ldoms-mgmt6484sun-sr-jms6485sun-sr-iiop

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