All ports
Port4743/TCP
openhpidPort
4743
Protocol
TCP
Category
Registered
Service
openhpid
What is port 4743?
Port 4743/TCP is a Registered port, registered with IANA for specific applications. It is associated with the openhpid service.
openhpi HPI service
Useful commands
nmapnmap -p 4743 -sV example.comnetcatnc -zv example.com 4743curlcurl -v http://example.com:4743/telnettelnet example.com 4743bash(echo > /dev/tcp/example.com/4743) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4743/tcpDeny
sudo ufw deny 4743/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4743 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4743 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4743/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4743" dir=in action=allow protocol=TCP localport=4743Security 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- Outdated versions with vulnerabilities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 4743/TCP?
Port 4743/TCP is associated with the openhpid service. openhpi HPI service
Is it safe to expose port 4743 to the Internet?
It depends on the service and configuration. Port 4743 (openhpid) 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 4743 is open?
You can use nmap: `nmap -p 4743 -sV example.com`, netcat: `nc -zv example.com 4743`, or the bash command: `(echo > /dev/tcp/example.com/4743) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4743 on my firewall?
On Linux with UFW: `sudo ufw allow 4743/tcp` (open) or `sudo ufw deny 4743/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4743 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4743" dir=in action=allow protocol=TCP localport=4743`.
What applications and services use port 4743?
Port 4743/TCP is used by the openhpid service. Specific uses depend on the software and configuration. Check our related tools section for more information.