CyberHunter
// Other services

Port 5042: asnaacceler8db

Port 5042 is assigned by IANA to asnaacceler8db (asnaacceler8db).

5042

How asnaacceler8db works

Other services
client:5042asnaacceler8dbresponse client:5042asnaacceler8dbresponse

The client sends a request to port 5042 and the asnaacceler8db 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)
01 Security

Is port 5042 dangerous?

We have no specific security note for port 5042. 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 5042

ServicePortTransportDescriptionReferenceUpdated
asnaacceler8db 5042 TCP, UDP asnaacceler8db - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 5042, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5042'      # process listening on 5042
sudo lsof -nP -i :5042

macOS

sudo lsof -nP -i :5042

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5042 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5042
netstat -ano | findstr :5042

From another machine

nmap -p 5042 -sV <host>
sudo nmap -sU -p 5042 <host>
nc -zv <host> 5042

Block it in the firewall

sudo ufw deny 5042/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5042" -Direction Inbound -LocalPort 5042 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5042 used for?

Port 5042 is assigned by IANA to asnaacceler8db (asnaacceler8db).

Is port 5042 TCP or UDP?

Port 5042 is registered for TCP and UDP.

Is it safe to open port 5042?

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 5042 is open?

On Linux run "ss -ltnup 'sport = :5042'", on macOS "lsof -nP -i :5042", and on Windows "netstat -ano | findstr :5042" to see the local process. From another machine, "nmap -p 5042 <host>" shows whether it is reachable.

05 Related