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// Other services

Port 2554: VCnet-Link v10

Port 2554 is assigned by IANA to vcnet-link-v10 (VCnet-Link v10).

2554

How vcnet-link-v10 works

Other services
client:2554vcnet-link-v10response client:2554vcnet-link-v10response

The client sends a request to port 2554 and the vcnet-link-v10 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 2554 dangerous?

We have no specific security note for port 2554. 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 2554

ServicePortTransportDescriptionReferenceUpdated
vcnet-link-v10 2554 TCP, UDP VCnet-Link v10 - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2554, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2554'      # process listening on 2554
sudo lsof -nP -i :2554

macOS

sudo lsof -nP -i :2554

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2554 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2554
netstat -ano | findstr :2554

From another machine

nmap -p 2554 -sV <host>
sudo nmap -sU -p 2554 <host>
nc -zv <host> 2554

Block it in the firewall

sudo ufw deny 2554/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2554" -Direction Inbound -LocalPort 2554 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2554 used for?

Port 2554 is assigned by IANA to vcnet-link-v10 (VCnet-Link v10).

Is port 2554 TCP or UDP?

Port 2554 is registered for TCP and UDP.

Is it safe to open port 2554?

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 2554 is open?

On Linux run "ss -ltnup 'sport = :2554'", on macOS "lsof -nP -i :2554", and on Windows "netstat -ano | findstr :2554" to see the local process. From another machine, "nmap -p 2554 <host>" shows whether it is reachable.

05 Related
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