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Port 4010 (samsung-unidex)

IANA assigns port 4010 to samsung-unidex: Samsung Unidex.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
samsung-unidex TCP Samsung Unidex Konstantin V Vyazni -
samsung-unidex UDP Samsung Unidex Konstantin V Vyazni -

Check what is listening on port 4010

Linux: is anything listening on TCP 4010?
sudo ss -tlnp 'sport = :4010'
Linux: UDP 4010
sudo ss -ulnp 'sport = :4010'
Linux / macOS: which process owns the port
sudo lsof -nP -i :4010
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':4010 '
Windows (Command Prompt)
netstat -ano | findstr :4010
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4010 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 4010
From Windows
Test-NetConnection HOST -Port 4010
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 4010

Block port 4010 in the firewall

ufw
sudo ufw deny 4010/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 4010 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 4010 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 4010' -Direction Inbound -Protocol TCP -LocalPort 4010 -Action Block
ufw
sudo ufw deny 4010/udp
iptables
sudo iptables -A INPUT -p udp --dport 4010 -j DROP
nftables
sudo nft add rule inet filter input udp dport 4010 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 4010' -Direction Inbound -Protocol UDP -LocalPort 4010 -Action Block

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