- 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.
Port 44444: Cognex DataMan Management Protocol
Port 44444 is assigned by IANA to cognex-dataman (Cognex DataMan Management Protocol).
44444
How cognex-dataman works
Other servicesThe client sends a request to port 44444 and the cognex-dataman service answers.
- Transport
- TCP
- 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
Is port 44444 dangerous?
We have no specific security note for port 44444. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 44444
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| cognex-dataman | 44444 | TCP | Cognex DataMan Management Protocol | - | 2012-08-28 |
| - | 44444 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 44444, and is it reachable?
Linux
sudo ss -ltnup 'sport = :44444' # process listening on 44444
sudo lsof -nP -i :44444macOS
sudo lsof -nP -i :44444
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 44444 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 44444 netstat -ano | findstr :44444
From another machine
nmap -p 44444 -sV <host> nc -zv <host> 44444
Block it in the firewall
sudo ufw deny 44444/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 44444" -Direction Inbound -LocalPort 44444 -Protocol TCP -Action Block # Windows
What is port 44444 used for?
Port 44444 is assigned by IANA to cognex-dataman (Cognex DataMan Management Protocol).
Is port 44444 TCP or UDP?
Port 44444 is registered for TCP.
Is it safe to open port 44444?
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 44444 is open?
On Linux run "ss -ltnup 'sport = :44444'", on macOS "lsof -nP -i :44444", and on Windows "netstat -ano | findstr :44444" to see the local process. From another machine, "nmap -p 44444 <host>" shows whether it is reachable.
Other other services ports
: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