Port 45001 (asmps)

IANA assigns port 45001 to asmps: Nuance AutoStore Status Monitoring Protocol (secure data transfer).

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

asmps TCP Nuance AutoStore Status Monitoring Protocol (secure data transfer) Nuance Communications Inc4 -

Registry dates for this port: registered 2011-09-01, last modified 2017-04-26.

Linux: is anything listening on TCP 45001?

sudo ss -tlnp 'sport = :45001'

Linux / macOS: which process owns the port

sudo lsof -nP -i :45001

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':45001 '

Windows (Command Prompt)

netstat -ano | findstr :45001

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 45001 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 45001

From Windows

Test-NetConnection HOST -Port 45001

ufw

sudo ufw deny 45001/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 45001 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 45001 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 45001' -Direction Inbound -Protocol TCP -LocalPort 45001 -Action Block

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