All ports
Port4744/UDP
ifspPort
4744
Protocol
UDP
Category
Registered
Service
ifsp
What is port 4744?
Port 4744/UDP is a Registered port, registered with IANA for specific applications. It is associated with the ifsp service.
Internet File Synchronization Protocol
Useful commands
nmapnmap -p 4744 -sV example.comnetcatnc -zv example.com 4744curlcurl -v http://example.com:4744/telnettelnet example.com 4744bash(echo > /dev/udp/example.com/4744) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4744/udpDeny
sudo ufw deny 4744/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4744 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4744 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4744/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4744" dir=in action=allow protocol=UDP localport=4744Security 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- Outdated versions with vulnerabilities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 4744/UDP?
Port 4744/UDP is associated with the ifsp service. Internet File Synchronization Protocol
Is it safe to expose port 4744 to the Internet?
It depends on the service and configuration. Port 4744 (ifsp) 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 4744 is open?
You can use nmap: `nmap -p 4744 -sV example.com`, netcat: `nc -zv example.com 4744`, or the bash command: `(echo > /dev/udp/example.com/4744) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4744 on my firewall?
On Linux with UFW: `sudo ufw allow 4744/udp` (open) or `sudo ufw deny 4744/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4744 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4744" dir=in action=allow protocol=UDP localport=4744`.
What applications and services use port 4744?
Port 4744/UDP is used by the ifsp service. Specific uses depend on the software and configuration. Check our related tools section for more information.