Port 3071 (xplat-replicate)

IANA assigns port 3071 to xplat-replicate: Crossplatform replication protocol.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

xplat-replicate TCP Crossplatform replication protocol NetApp 3 -

Registry dates for this port: last modified 2017-08-24.

Linux: is anything listening on TCP 3071?

sudo ss -tlnp 'sport = :3071'

Linux / macOS: which process owns the port

sudo lsof -nP -i :3071

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':3071 '

Windows (Command Prompt)

netstat -ano | findstr :3071

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3071 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 3071

From Windows

Test-NetConnection HOST -Port 3071

ufw

sudo ufw deny 3071/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 3071 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 3071 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 3071' -Direction Inbound -Protocol TCP -LocalPort 3071 -Action Block

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