CyberHunter
Local dataset, no network
// Other services

Port 2870: daishi

Port 2870 is assigned by IANA to daishi (daishi).

2870

How daishi works

Other services
client:2870daishiresponse client:2870daishiresponse

The client sends a request to port 2870 and the daishi 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 2870 dangerous?

We have no specific security note for port 2870. 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 2870

ServicePortTransportDescriptionReferenceUpdated
daishi 2870 TCP, UDP daishi - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2870, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2870'      # process listening on 2870
sudo lsof -nP -i :2870

macOS

sudo lsof -nP -i :2870

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2870 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2870
netstat -ano | findstr :2870

From another machine

nmap -p 2870 -sV <host>
sudo nmap -sU -p 2870 <host>
nc -zv <host> 2870

Block it in the firewall

sudo ufw deny 2870/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2870" -Direction Inbound -LocalPort 2870 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2870 used for?

Port 2870 is assigned by IANA to daishi (daishi).

Is port 2870 TCP or UDP?

Port 2870 is registered for TCP and UDP.

Is it safe to open port 2870?

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 2870 is open?

On Linux run "ss -ltnup 'sport = :2870'", on macOS "lsof -nP -i :2870", and on Windows "netstat -ano | findstr :2870" to see the local process. From another machine, "nmap -p 2870 <host>" shows whether it is reachable.

05 Related
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