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// Other services

Port 1041: AK2 Product

Port 1041 is assigned by IANA to danf-ak2 (AK2 Product).

1041

How danf-ak2 works

Other services
client:1041danf-ak2response client:1041danf-ak2response

The client sends a request to port 1041 and the danf-ak2 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 1041 dangerous?

We have no specific security note for port 1041. 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 1041

ServicePortTransportDescriptionReferenceUpdated
danf-ak2 1041 TCP, UDP AK2 Product - 2004-11

// source: IANA service name and port number registry

03 Check it

Which program uses port 1041, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1041'      # process listening on 1041
sudo lsof -nP -i :1041

macOS

sudo lsof -nP -i :1041

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1041 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1041
netstat -ano | findstr :1041

From another machine

nmap -p 1041 -sV <host>
sudo nmap -sU -p 1041 <host>
nc -zv <host> 1041

Block it in the firewall

sudo ufw deny 1041/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1041" -Direction Inbound -LocalPort 1041 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1041 used for?

Port 1041 is assigned by IANA to danf-ak2 (AK2 Product).

Is port 1041 TCP or UDP?

Port 1041 is registered for TCP and UDP.

Is it safe to open port 1041?

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 1041 is open?

On Linux run "ss -ltnup 'sport = :1041'", on macOS "lsof -nP -i :1041", and on Windows "netstat -ano | findstr :1041" to see the local process. From another machine, "nmap -p 1041 <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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