- 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 33890: Adept IP protocol
Port 33890 is assigned by IANA to digilent-adept (Adept IP protocol).
33890
How digilent-adept works
Other servicesThe client sends a request to port 33890 and the digilent-adept 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 33890 dangerous?
We have no specific security note for port 33890. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 33890
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| digilent-adept | 33890 | TCP | Adept IP protocol | - | 2020-06-25 |
| - | 33890 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 33890, and is it reachable?
Linux
sudo ss -ltnup 'sport = :33890' # process listening on 33890
sudo lsof -nP -i :33890macOS
sudo lsof -nP -i :33890
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 33890 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 33890 netstat -ano | findstr :33890
From another machine
nmap -p 33890 -sV <host> nc -zv <host> 33890
Block it in the firewall
sudo ufw deny 33890/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 33890" -Direction Inbound -LocalPort 33890 -Protocol TCP -Action Block # Windows
What is port 33890 used for?
Port 33890 is assigned by IANA to digilent-adept (Adept IP protocol).
Is port 33890 TCP or UDP?
Port 33890 is registered for TCP.
Is it safe to open port 33890?
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 33890 is open?
On Linux run "ss -ltnup 'sport = :33890'", on macOS "lsof -nP -i :33890", and on Windows "netstat -ano | findstr :33890" to see the local process. From another machine, "nmap -p 33890 <host>" shows whether it is reachable.
Other other services ports
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