All ports
Port4949/UDP
muninPort
4949
Protocol
UDP
Category
Registered
Service
munin
What is port 4949?
Port 4949/UDP is a Registered port, registered with IANA for specific applications. It is associated with the munin service.
Munin Graphing Framework
Useful commands
nmapnmap -p 4949 -sV example.comnetcatnc -zv example.com 4949curlcurl -v http://example.com:4949/telnettelnet example.com 4949bash(echo > /dev/udp/example.com/4949) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4949/udpDeny
sudo ufw deny 4949/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4949 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4949 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4949/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4949" dir=in action=allow protocol=UDP localport=4949Security 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- Outdated versions with vulnerabilities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 4949/UDP?
Port 4949/UDP is associated with the munin service. Munin Graphing Framework
Is it safe to expose port 4949 to the Internet?
It depends on the service and configuration. Port 4949 (munin) 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 4949 is open?
You can use nmap: `nmap -p 4949 -sV example.com`, netcat: `nc -zv example.com 4949`, or the bash command: `(echo > /dev/udp/example.com/4949) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4949 on my firewall?
On Linux with UFW: `sudo ufw allow 4949/udp` (open) or `sudo ufw deny 4949/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4949 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4949" dir=in action=allow protocol=UDP localport=4949`.
What applications and services use port 4949?
Port 4949/UDP is used by the munin service. Specific uses depend on the software and configuration. Check our related tools section for more information.