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// Other services

Port 5074: ALES Query

Port 5074 is assigned by IANA to alesquery (ALES Query).

5074

How alesquery works

Other services
client:5074alesqueryresponse client:5074alesqueryresponse

The client sends a request to port 5074 and the alesquery service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 5074 dangerous?

We have no specific security note for port 5074. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 5074

ServicePortTransportDescriptionReferenceUpdated
alesquery 5074 TCP, UDP ALES Query - 2005-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 5074, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5074'      # process listening on 5074
sudo lsof -nP -i :5074

macOS

sudo lsof -nP -i :5074

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5074 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5074
netstat -ano | findstr :5074

From another machine

nmap -p 5074 -sV <host>
sudo nmap -sU -p 5074 <host>
nc -zv <host> 5074

Block it in the firewall

sudo ufw deny 5074/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5074" -Direction Inbound -LocalPort 5074 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5074 used for?

Port 5074 is assigned by IANA to alesquery (ALES Query).

Is port 5074 TCP or UDP?

Port 5074 is registered for TCP and UDP.

Is it safe to open port 5074?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 5074 is open?

On Linux run "ss -ltnup 'sport = :5074'", on macOS "lsof -nP -i :5074", and on Windows "netstat -ano | findstr :5074" to see the local process. From another machine, "nmap -p 5074 <host>" shows whether it is reachable.

05 Related
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