All ports
Port830/UDP
netconf-sshPort
830
Protocol
UDP
Category
Well-Known
Service
netconf-ssh
What is port 830?
Port 830/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the netconf-ssh service.
NETCONF over SSH
Useful commands
nmapnmap -p 830 -sV example.comnetcatnc -zv example.com 830curlcurl -v http://example.com:830/telnettelnet example.com 830bash(echo > /dev/udp/example.com/830) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 830/udpDeny
sudo ufw deny 830/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 830 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 830 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=830/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 830" dir=in action=allow protocol=UDP localport=830Security Risks
- Unauthorized remote access to the server
- Brute force attacks against SSH credentials
- Exposure of private keys or misconfigurations
- Outdated versions with known vulnerabilities
Frequently Asked Questions
What service runs on port 830/UDP?
Port 830/UDP is associated with the netconf-ssh service. NETCONF over SSH
Is it safe to expose port 830 to the Internet?
It depends on the service and configuration. Port 830 (netconf-ssh) 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 830 is open?
You can use nmap: `nmap -p 830 -sV example.com`, netcat: `nc -zv example.com 830`, or the bash command: `(echo > /dev/udp/example.com/830) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 830 on my firewall?
On Linux with UFW: `sudo ufw allow 830/udp` (open) or `sudo ufw deny 830/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 830 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 830" dir=in action=allow protocol=UDP localport=830`.
What applications and services use port 830?
Port 830/UDP is used by the netconf-ssh service. Specific uses depend on the software and configuration. Check our related tools section for more information.