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// Other services

Port 2910: TDAccess

Port 2910 is assigned by IANA to tdaccess (TDAccess).

2910

How tdaccess works

Other services
client:2910tdaccessresponse client:2910tdaccessresponse

The client sends a request to port 2910 and the tdaccess 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 2910 dangerous?

We have no specific security note for port 2910. 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 2910

ServicePortTransportDescriptionReferenceUpdated
tdaccess 2910 TCP, UDP TDAccess - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2910, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2910'      # process listening on 2910
sudo lsof -nP -i :2910

macOS

sudo lsof -nP -i :2910

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2910 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2910
netstat -ano | findstr :2910

From another machine

nmap -p 2910 -sV <host>
sudo nmap -sU -p 2910 <host>
nc -zv <host> 2910

Block it in the firewall

sudo ufw deny 2910/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2910" -Direction Inbound -LocalPort 2910 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2910 used for?

Port 2910 is assigned by IANA to tdaccess (TDAccess).

Is port 2910 TCP or UDP?

Port 2910 is registered for TCP and UDP.

Is it safe to open port 2910?

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 2910 is open?

On Linux run "ss -ltnup 'sport = :2910'", on macOS "lsof -nP -i :2910", and on Windows "netstat -ano | findstr :2910" to see the local process. From another machine, "nmap -p 2910 <host>" shows whether it is reachable.

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