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Port 7071 (iwg1)

IANA assigns port 7071 to iwg1: IWGADTS Aircraft Housekeeping Message.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
iwg1 TCP IWGADTS Aircraft Housekeeping Message Don Sullivan -
iwg1 UDP IWGADTS Aircraft Housekeeping Message Don Sullivan -

Registry dates for this port: registered 2010-02-16.

Check what is listening on port 7071

Linux: is anything listening on TCP 7071?
sudo ss -tlnp 'sport = :7071'
Linux: UDP 7071
sudo ss -ulnp 'sport = :7071'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7071
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7071 '
Windows (Command Prompt)
netstat -ano | findstr :7071
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7071 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7071
From Windows
Test-NetConnection HOST -Port 7071
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7071

Block port 7071 in the firewall

ufw
sudo ufw deny 7071/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7071 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7071 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7071' -Direction Inbound -Protocol TCP -LocalPort 7071 -Action Block
ufw
sudo ufw deny 7071/udp
iptables
sudo iptables -A INPUT -p udp --dport 7071 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7071 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7071' -Direction Inbound -Protocol UDP -LocalPort 7071 -Action Block

Related ports

7040quest-disc7070arcp7072iba-cfg, iba-cfg-disc7073martalk

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