CyberHunter
Local dataset, no network
// Other services

Port 6964: swismgr2

Port 6964 is assigned by IANA to swismgr2 (swismgr2).

6964

How swismgr2 works

Other services
client:6964swismgr2response client:6964swismgr2response

The client sends a request to port 6964 and the swismgr2 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 6964 dangerous?

We have no specific security note for port 6964. 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 6964

ServicePortTransportDescriptionReferenceUpdated
swismgr2 6964 TCP, UDP swismgr2 - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 6964, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6964'      # process listening on 6964
sudo lsof -nP -i :6964

macOS

sudo lsof -nP -i :6964

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6964 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6964
netstat -ano | findstr :6964

From another machine

nmap -p 6964 -sV <host>
sudo nmap -sU -p 6964 <host>
nc -zv <host> 6964

Block it in the firewall

sudo ufw deny 6964/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6964" -Direction Inbound -LocalPort 6964 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6964 used for?

Port 6964 is assigned by IANA to swismgr2 (swismgr2).

Is port 6964 TCP or UDP?

Port 6964 is registered for TCP and UDP.

Is it safe to open port 6964?

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 6964 is open?

On Linux run "ss -ltnup 'sport = :6964'", on macOS "lsof -nP -i :6964", and on Windows "netstat -ano | findstr :6964" to see the local process. From another machine, "nmap -p 6964 <host>" shows whether it is reachable.

05 Related
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