- Serve it over HTTPS only and check the HTTP security headers.
- Keep admin consoles and development servers off the Internet.
- Patch the application server and remove default credentials and sample apps.
Port 5584: BeInSync-Web
Port 5584 is assigned by IANA to bis-web (BeInSync-Web).
5584
How bis-web works
WebA browser sends an HTTP request to port 5584 and the bis-web server sends the page back.
- 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
- Web
Is port 5584 dangerous?
We have no specific security note for port 5584. Its risk depends on the program actually listening on it. General advice for web services:
IANA registry entries for port 5584
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| bis-web | 5584 | TCP, UDP | BeInSync-Web | - | 2005-08 |
// source: IANA service name and port number registry
Which program uses port 5584, and is it reachable?
Linux
sudo ss -ltnup 'sport = :5584' # process listening on 5584
sudo lsof -nP -i :5584macOS
sudo lsof -nP -i :5584
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5584 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 5584 netstat -ano | findstr :5584
From another machine
nmap -p 5584 -sV <host> sudo nmap -sU -p 5584 <host> nc -zv <host> 5584
Block it in the firewall
sudo ufw deny 5584/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 5584" -Direction Inbound -LocalPort 5584 -Protocol TCP -Action Block # Windows
What is port 5584 used for?
Port 5584 is assigned by IANA to bis-web (BeInSync-Web).
Is port 5584 TCP or UDP?
Port 5584 is registered for TCP and UDP.
Is it safe to open port 5584?
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. Serve it over HTTPS only and check the HTTP security headers.
How do I check if port 5584 is open?
On Linux run "ss -ltnup 'sport = :5584'", on macOS "lsof -nP -i :5584", and on Windows "netstat -ano | findstr :5584" to see the local process. From another machine, "nmap -p 5584 <host>" shows whether it is reachable.
Other web ports
:443 HTTPS tcp · udp · sctp · low risk :80 HTTP tcp · udp · sctp · moderate risk :8080 HTTP alternate tcp · udp · high risk :8443 HTTPS alternate tcp · udp · moderate risk :3000 Dev servers / Grafana tcp · udp · moderate risk :5000 Flask / Docker registry / UPnP tcp · udp · moderate risk :8000 HTTP alternate (dev) tcp · udp · moderate risk :8888 Jupyter / HTTP alternate tcp · udp · high risk