All ports
Port2748/UDP
fjippol-polsvrPort
2748
Protocol
UDP
Category
Registered
Service
fjippol-polsvr
What is port 2748?
Port 2748/UDP is a Registered port, registered with IANA for specific applications. It is associated with the fjippol-polsvr service.
Useful commands
nmapnmap -p 2748 -sV example.comnetcatnc -zv example.com 2748curlcurl -v http://example.com:2748/telnettelnet example.com 2748bash(echo > /dev/udp/example.com/2748) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2748/udpDeny
sudo ufw deny 2748/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2748 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2748 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2748/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2748" dir=in action=allow protocol=UDP localport=2748Security 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- Outdated versions with vulnerabilities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 2748/UDP?
Port 2748/UDP is associated with the fjippol-polsvr service. No detailed description is available in the IANA registry.
Is it safe to expose port 2748 to the Internet?
It depends on the service and configuration. Port 2748 (fjippol-polsvr) 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 2748 is open?
You can use nmap: `nmap -p 2748 -sV example.com`, netcat: `nc -zv example.com 2748`, or the bash command: `(echo > /dev/udp/example.com/2748) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2748 on my firewall?
On Linux with UFW: `sudo ufw allow 2748/udp` (open) or `sudo ufw deny 2748/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2748 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2748" dir=in action=allow protocol=UDP localport=2748`.
What applications and services use port 2748?
Port 2748/UDP is used by the fjippol-polsvr service. Specific uses depend on the software and configuration. Check our related tools section for more information.