All ports
Port10439/UDP
bngsyncPort
10439
Protocol
UDP
Category
Registered
Service
bngsync
What is port 10439?
Port 10439/UDP is a Registered port, registered with IANA for specific applications. It is associated with the bngsync service.
BalanceNG session table synchronization protocol
Useful commands
nmapnmap -p 10439 -sV example.comnetcatnc -zv example.com 10439curlcurl -v http://example.com:10439/telnettelnet example.com 10439bash(echo > /dev/udp/example.com/10439) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 10439/udpDeny
sudo ufw deny 10439/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 10439 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 10439 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=10439/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 10439" dir=in action=allow protocol=UDP localport=10439Security 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- Outdated versions with vulnerabilities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 10439/UDP?
Port 10439/UDP is associated with the bngsync service. BalanceNG session table synchronization protocol
Is it safe to expose port 10439 to the Internet?
It depends on the service and configuration. Port 10439 (bngsync) is a Registered 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 10439 is open?
You can use nmap: `nmap -p 10439 -sV example.com`, netcat: `nc -zv example.com 10439`, or the bash command: `(echo > /dev/udp/example.com/10439) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 10439 on my firewall?
On Linux with UFW: `sudo ufw allow 10439/udp` (open) or `sudo ufw deny 10439/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 10439 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 10439" dir=in action=allow protocol=UDP localport=10439`.
What applications and services use port 10439?
Port 10439/UDP is used by the bngsync service. Specific uses depend on the software and configuration. Check our related tools section for more information.