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Port 2066 (aura)

IANA assigns port 2066 to aura: AVM USB Remote Architecture.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
aura TCP AVM USB Remote Architecture Diego Friedel -
aura UDP AVM USB Remote Architecture Diego Friedel -

Registry dates for this port: registered 2006-03.

Check what is listening on port 2066

Linux: is anything listening on TCP 2066?
sudo ss -tlnp 'sport = :2066'
Linux: UDP 2066
sudo ss -ulnp 'sport = :2066'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2066
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2066 '
Windows (Command Prompt)
netstat -ano | findstr :2066
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2066 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2066
From Windows
Test-NetConnection HOST -Port 2066
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2066

Block port 2066 in the firewall

ufw
sudo ufw deny 2066/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2066 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2066 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2066' -Direction Inbound -Protocol TCP -LocalPort 2066 -Action Block
ufw
sudo ufw deny 2066/udp
iptables
sudo iptables -A INPUT -p udp --dport 2066 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2066 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2066' -Direction Inbound -Protocol UDP -LocalPort 2066 -Action Block

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