CyberHunter
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// Other services

Port 97: Swift Remote Virtural File Protocol

Port 97 is assigned by IANA to swift-rvf (Swift Remote Virtural File Protocol).

97

How swift-rvf works

Other services
client:97swift-rvfresponse client:97swift-rvfresponse

The client sends a request to port 97 and the swift-rvf 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
Well-known (0-1023)
Category
Other services
01 Security

Is port 97 dangerous?

We have no specific security note for port 97. 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 97

ServicePortTransportDescriptionReferenceUpdated
swift-rvf 97 TCP, UDP Swift Remote Virtural File Protocol - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 97, and is it reachable?

Linux

sudo ss -ltnup 'sport = :97'      # process listening on 97
sudo lsof -nP -i :97

macOS

sudo lsof -nP -i :97

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 97 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 97
netstat -ano | findstr :97

From another machine

nmap -p 97 -sV <host>
sudo nmap -sU -p 97 <host>
nc -zv <host> 97

Block it in the firewall

sudo ufw deny 97/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 97" -Direction Inbound -LocalPort 97 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 97 used for?

Port 97 is assigned by IANA to swift-rvf (Swift Remote Virtural File Protocol).

Is port 97 TCP or UDP?

Port 97 is registered for TCP and UDP.

Is it safe to open port 97?

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 97 is open?

On Linux run "ss -ltnup 'sport = :97'", on macOS "lsof -nP -i :97", and on Windows "netstat -ano | findstr :97" to see the local process. From another machine, "nmap -p 97 <host>" shows whether it is reachable.

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