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Port 2010 (pipe-server)

IANA assigns port 2010 to pipe-server: IANA assigned this well-formed service name as a replacement for "pipe_server"..

Registered (user) port, 1024-49151 UDP

Port 2010 is normally used over UDP; the checker tests TCP only, so a "filtered" result does not mean the UDP service is down.

IANA assignment

Service nameProtoDescriptionAssigneeReference
pipe-server UDP IANA assigned this well-formed service name as a replacement for "pipe_server". - -

Check what is listening on port 2010

Linux: UDP 2010
sudo ss -ulnp 'sport = :2010'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2010
Windows (Command Prompt)
netstat -ano | findstr :2010
Windows (PowerShell)
Get-NetUDPEndpoint -LocalPort 2010

Test it from outside

UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2010

Block port 2010 in the firewall

ufw
sudo ufw deny 2010/udp
iptables
sudo iptables -A INPUT -p udp --dport 2010 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2010 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2010' -Direction Inbound -Protocol UDP -LocalPort 2010 -Action Block

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