All ports
Port2748/TCP
fjippol-polsvrPort
2748
Protocol
TCP
Category
Registered
Service
fjippol-polsvr
What is port 2748?
Port 2748/TCP 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/tcp/example.com/2748) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2748/tcpDeny
sudo ufw deny 2748/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 2748 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 2748 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2748/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2748" dir=in action=allow protocol=TCP 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- Outdated versions with vulnerabilities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/TCP?
Port 2748/TCP 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/tcp/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/tcp` (open) or `sudo ufw deny 2748/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 2748 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2748" dir=in action=allow protocol=TCP localport=2748`.
What applications and services use port 2748?
Port 2748/TCP is used by the fjippol-polsvr service. Specific uses depend on the software and configuration. Check our related tools section for more information.