All ports
Port4349/UDP
fsportmapPort
4349
Protocol
UDP
Category
Registered
Service
fsportmap
What is port 4349?
Port 4349/UDP is a Registered port, registered with IANA for specific applications. It is associated with the fsportmap service.
File System Port Map
Useful commands
nmapnmap -p 4349 -sV example.comnetcatnc -zv example.com 4349curlcurl -v http://example.com:4349/telnettelnet example.com 4349bash(echo > /dev/udp/example.com/4349) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4349/udpDeny
sudo ufw deny 4349/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4349 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4349 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4349/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4349" dir=in action=allow protocol=UDP localport=4349Security 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- Outdated versions with vulnerabilities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 4349/UDP?
Port 4349/UDP is associated with the fsportmap service. File System Port Map
Is it safe to expose port 4349 to the Internet?
It depends on the service and configuration. Port 4349 (fsportmap) 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 4349 is open?
You can use nmap: `nmap -p 4349 -sV example.com`, netcat: `nc -zv example.com 4349`, or the bash command: `(echo > /dev/udp/example.com/4349) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4349 on my firewall?
On Linux with UFW: `sudo ufw allow 4349/udp` (open) or `sudo ufw deny 4349/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4349 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4349" dir=in action=allow protocol=UDP localport=4349`.
What applications and services use port 4349?
Port 4349/UDP is used by the fsportmap service. Specific uses depend on the software and configuration. Check our related tools section for more information.