Port 44600 (asihpi)

IANA assigns port 44600 to asihpi: AudioScience HPI.

Registered (user) port, 1024-49151 UDP

Port 44600 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

asihpi UDP AudioScience HPI Eliot Blennerhassett -

Registry dates for this port: registered 2011-07-07.

Linux: UDP 44600

sudo ss -ulnp 'sport = :44600'

Linux / macOS: which process owns the port

sudo lsof -nP -i :44600

Windows (Command Prompt)

netstat -ano | findstr :44600

Windows (PowerShell)

Get-NetUDPEndpoint -LocalPort 44600

UDP probe (no reply does not prove it is closed)

nc -vzu -w 5 HOST 44600

ufw

sudo ufw deny 44600/udp

iptables

sudo iptables -A INPUT -p udp --dport 44600 -j DROP

nftables

sudo nft add rule inet filter input udp dport 44600 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block UDP 44600' -Direction Inbound -Protocol UDP -LocalPort 44600 -Action Block

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