CyberHunter
Local dataset, no network
// Other services

Port 7009: remote cache manager service

Port 7009 is assigned by IANA to afs3-rmtsys (remote cache manager service).

7009

How afs3-rmtsys works

Other services
client:7009afs3-rmtsysresponse client:7009afs3-rmtsysresponse

The client sends a request to port 7009 and the afs3-rmtsys 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 7009 dangerous?

We have no specific security note for port 7009. 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 7009

ServicePortTransportDescriptionReferenceUpdated
afs3-rmtsys 7009 TCP, UDP remote cache manager service - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 7009, and is it reachable?

Linux

sudo ss -ltnup 'sport = :7009'      # process listening on 7009
sudo lsof -nP -i :7009

macOS

sudo lsof -nP -i :7009

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7009 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 7009
netstat -ano | findstr :7009

From another machine

nmap -p 7009 -sV <host>
sudo nmap -sU -p 7009 <host>
nc -zv <host> 7009

Block it in the firewall

sudo ufw deny 7009/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 7009" -Direction Inbound -LocalPort 7009 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 7009 used for?

Port 7009 is assigned by IANA to afs3-rmtsys (remote cache manager service).

Is port 7009 TCP or UDP?

Port 7009 is registered for TCP and UDP.

Is it safe to open port 7009?

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 7009 is open?

On Linux run "ss -ltnup 'sport = :7009'", on macOS "lsof -nP -i :7009", and on Windows "netstat -ano | findstr :7009" to see the local process. From another machine, "nmap -p 7009 <host>" shows whether it is reachable.

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