CyberHunter
Local dataset, no network
// Other services

Port 2981: MYLXAMPORT

Port 2981 is assigned by IANA to mylxamport (MYLXAMPORT).

2981

How mylxamport works

Other services
client:2981mylxamportresponse client:2981mylxamportresponse

The client sends a request to port 2981 and the mylxamport 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 2981 dangerous?

We have no specific security note for port 2981. 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 2981

ServicePortTransportDescriptionReferenceUpdated
mylxamport 2981 TCP, UDP MYLXAMPORT - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2981, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2981'      # process listening on 2981
sudo lsof -nP -i :2981

macOS

sudo lsof -nP -i :2981

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2981 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2981
netstat -ano | findstr :2981

From another machine

nmap -p 2981 -sV <host>
sudo nmap -sU -p 2981 <host>
nc -zv <host> 2981

Block it in the firewall

sudo ufw deny 2981/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2981" -Direction Inbound -LocalPort 2981 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2981 used for?

Port 2981 is assigned by IANA to mylxamport (MYLXAMPORT).

Is port 2981 TCP or UDP?

Port 2981 is registered for TCP and UDP.

Is it safe to open port 2981?

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 2981 is open?

On Linux run "ss -ltnup 'sport = :2981'", on macOS "lsof -nP -i :2981", and on Windows "netstat -ano | findstr :2981" to see the local process. From another machine, "nmap -p 2981 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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