All ports
Port3920/TCP
exasoftport1Port
3920
Protocol
TCP
Category
Registered
Service
exasoftport1
What is port 3920?
Port 3920/TCP is a Registered port, registered with IANA for specific applications. It is associated with the exasoftport1 service.
Exasoft IP Port
Useful commands
nmapnmap -p 3920 -sV example.comnetcatnc -zv example.com 3920curlcurl -v http://example.com:3920/telnettelnet example.com 3920bash(echo > /dev/tcp/example.com/3920) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3920/tcpDeny
sudo ufw deny 3920/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 3920 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 3920 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3920/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3920" dir=in action=allow protocol=TCP localport=3920Security 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- Outdated versions with vulnerabilities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 3920/TCP?
Port 3920/TCP is associated with the exasoftport1 service. Exasoft IP Port
Is it safe to expose port 3920 to the Internet?
It depends on the service and configuration. Port 3920 (exasoftport1) 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 3920 is open?
You can use nmap: `nmap -p 3920 -sV example.com`, netcat: `nc -zv example.com 3920`, or the bash command: `(echo > /dev/tcp/example.com/3920) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3920 on my firewall?
On Linux with UFW: `sudo ufw allow 3920/tcp` (open) or `sudo ufw deny 3920/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 3920 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3920" dir=in action=allow protocol=TCP localport=3920`.
What applications and services use port 3920?
Port 3920/TCP is used by the exasoftport1 service. Specific uses depend on the software and configuration. Check our related tools section for more information.