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Port 5074 (alesquery)

IANA assigns port 5074 to alesquery: ALES Query.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
alesquery TCP ALES Query Tim Maloney -
alesquery UDP ALES Query Tim Maloney -

Registry dates for this port: registered 2005-08.

Check what is listening on port 5074

Linux: is anything listening on TCP 5074?
sudo ss -tlnp 'sport = :5074'
Linux: UDP 5074
sudo ss -ulnp 'sport = :5074'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5074
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5074 '
Windows (Command Prompt)
netstat -ano | findstr :5074
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5074 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5074
From Windows
Test-NetConnection HOST -Port 5074
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5074

Block port 5074 in the firewall

ufw
sudo ufw deny 5074/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5074 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5074 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5074' -Direction Inbound -Protocol TCP -LocalPort 5074 -Action Block
ufw
sudo ufw deny 5074/udp
iptables
sudo iptables -A INPUT -p udp --dport 5074 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5074 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5074' -Direction Inbound -Protocol UDP -LocalPort 5074 -Action Block

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