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// Other services

Port 6965: swistrap

Port 6965 is assigned by IANA to swistrap (swistrap).

6965

How swistrap works

Other services
client:6965swistrapresponse client:6965swistrapresponse

The client sends a request to port 6965 and the swistrap 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 6965 dangerous?

We have no specific security note for port 6965. 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 6965

ServicePortTransportDescriptionReferenceUpdated
swistrap 6965 TCP, UDP swistrap - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 6965, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6965'      # process listening on 6965
sudo lsof -nP -i :6965

macOS

sudo lsof -nP -i :6965

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6965 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6965
netstat -ano | findstr :6965

From another machine

nmap -p 6965 -sV <host>
sudo nmap -sU -p 6965 <host>
nc -zv <host> 6965

Block it in the firewall

sudo ufw deny 6965/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6965" -Direction Inbound -LocalPort 6965 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6965 used for?

Port 6965 is assigned by IANA to swistrap (swistrap).

Is port 6965 TCP or UDP?

Port 6965 is registered for TCP and UDP.

Is it safe to open port 6965?

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 6965 is open?

On Linux run "ss -ltnup 'sport = :6965'", on macOS "lsof -nP -i :6965", and on Windows "netstat -ano | findstr :6965" to see the local process. From another machine, "nmap -p 6965 <host>" shows whether it is reachable.

05 Related
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