- 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.
Port 5693: Robert Bosch Data Transfer
Port 5693 is assigned by IANA to rbsystem (Robert Bosch Data Transfer).
5693
How rbsystem works
Other servicesThe client sends a request to port 5693 and the rbsystem service answers.
- Transport
- TCP
- 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
Is port 5693 dangerous?
We have no specific security note for port 5693. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 5693
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| rbsystem | 5693 | TCP | Robert Bosch Data Transfer | - | 2020-02-04 |
| - | 5693 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 5693, and is it reachable?
Linux
sudo ss -ltnup 'sport = :5693' # process listening on 5693
sudo lsof -nP -i :5693macOS
sudo lsof -nP -i :5693
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5693 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 5693 netstat -ano | findstr :5693
From another machine
nmap -p 5693 -sV <host> nc -zv <host> 5693
Block it in the firewall
sudo ufw deny 5693/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 5693" -Direction Inbound -LocalPort 5693 -Protocol TCP -Action Block # Windows
What is port 5693 used for?
Port 5693 is assigned by IANA to rbsystem (Robert Bosch Data Transfer).
Is port 5693 TCP or UDP?
Port 5693 is registered for TCP.
Is it safe to open port 5693?
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 5693 is open?
On Linux run "ss -ltnup 'sport = :5693'", on macOS "lsof -nP -i :5693", and on Windows "netstat -ano | findstr :5693" to see the local process. From another machine, "nmap -p 5693 <host>" shows whether it is reachable.
Other other services ports
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp