CyberHunter
// Other services

Port 2956: OVRIMOSDBMAN

Port 2956 is assigned by IANA to ovrimosdbman (OVRIMOSDBMAN).

2956

How ovrimosdbman works

Other services
client:2956ovrimosdbmanresponse client:2956ovrimosdbmanresponse

The client sends a request to port 2956 and the ovrimosdbman 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)
01 Security

Is port 2956 dangerous?

We have no specific security note for port 2956. 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 2956

ServicePortTransportDescriptionReferenceUpdated
ovrimosdbman 2956 TCP, UDP OVRIMOSDBMAN - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2956, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2956'      # process listening on 2956
sudo lsof -nP -i :2956

macOS

sudo lsof -nP -i :2956

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2956 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2956
netstat -ano | findstr :2956

From another machine

nmap -p 2956 -sV <host>
sudo nmap -sU -p 2956 <host>
nc -zv <host> 2956

Block it in the firewall

sudo ufw deny 2956/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2956" -Direction Inbound -LocalPort 2956 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2956 used for?

Port 2956 is assigned by IANA to ovrimosdbman (OVRIMOSDBMAN).

Is port 2956 TCP or UDP?

Port 2956 is registered for TCP and UDP.

Is it safe to open port 2956?

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 2956 is open?

On Linux run "ss -ltnup 'sport = :2956'", on macOS "lsof -nP -i :2956", and on Windows "netstat -ano | findstr :2956" to see the local process. From another machine, "nmap -p 2956 <host>" shows whether it is reachable.

05 Related