All ports
Port829/UDP
pkix-3-ca-raPort
829
Protocol
UDP
Category
Well-Known
Service
pkix-3-ca-ra
What is port 829?
Port 829/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the pkix-3-ca-ra service.
PKIX-3 CA/RA
Useful commands
nmapnmap -p 829 -sV example.comnetcatnc -zv example.com 829curlcurl -v http://example.com:829/telnettelnet example.com 829bash(echo > /dev/udp/example.com/829) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 829/udpDeny
sudo ufw deny 829/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 829 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 829 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=829/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 829" dir=in action=allow protocol=UDP localport=829Security 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- Outdated versions with vulnerabilities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 829/UDP?
Port 829/UDP is associated with the pkix-3-ca-ra service. PKIX-3 CA/RA
Is it safe to expose port 829 to the Internet?
It depends on the service and configuration. Port 829 (pkix-3-ca-ra) 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 829 is open?
You can use nmap: `nmap -p 829 -sV example.com`, netcat: `nc -zv example.com 829`, or the bash command: `(echo > /dev/udp/example.com/829) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 829 on my firewall?
On Linux with UFW: `sudo ufw allow 829/udp` (open) or `sudo ufw deny 829/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 829 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 829" dir=in action=allow protocol=UDP localport=829`.
What applications and services use port 829?
Port 829/UDP is used by the pkix-3-ca-ra service. Specific uses depend on the software and configuration. Check our related tools section for more information.