All ports
Port581/TCP
bdpPort
581
Protocol
TCP
Category
Well-Known
Service
bdp
What is port 581?
Port 581/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the bdp service.
Bundle Discovery Protocol
Useful commands
nmapnmap -p 581 -sV example.comnetcatnc -zv example.com 581curlcurl -v http://example.com:581/telnettelnet example.com 581bash(echo > /dev/tcp/example.com/581) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 581/tcpDeny
sudo ufw deny 581/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 581 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 581 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=581/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 581" dir=in action=allow protocol=TCP localport=581Security Risks
- Unauthorized access to the service
- Data exposure if the service is unauthenticated
- Outdated versions with vulnerabilities
- Incorrect service configuration
Frequently Asked Questions
What service runs on port 581/TCP?
Port 581/TCP is associated with the bdp service. Bundle Discovery Protocol
Is it safe to expose port 581 to the Internet?
It depends on the service and configuration. Port 581 (bdp) is a Well-Known port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.
How do I check if port 581 is open?
You can use nmap: `nmap -p 581 -sV example.com`, netcat: `nc -zv example.com 581`, or the bash command: `(echo > /dev/tcp/example.com/581) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 581 on my firewall?
On Linux with UFW: `sudo ufw allow 581/tcp` (open) or `sudo ufw deny 581/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 581 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 581" dir=in action=allow protocol=TCP localport=581`.
What applications and services use port 581?
Port 581/TCP is used by the bdp service. Specific uses depend on the software and configuration. Check our related tools section for more information.