All ports
Port3719/TCP
itelserverportPort
3719
Protocol
TCP
Category
Registered
Service
itelserverport
What is port 3719?
Port 3719/TCP is a Registered port, registered with IANA for specific applications. It is associated with the itelserverport service.
iTel Server Port
Useful commands
nmapnmap -p 3719 -sV example.comnetcatnc -zv example.com 3719curlcurl -v http://example.com:3719/telnettelnet example.com 3719bash(echo > /dev/tcp/example.com/3719) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3719/tcpDeny
sudo ufw deny 3719/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 3719 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 3719 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3719/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3719" dir=in action=allow protocol=TCP localport=3719Security 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- Outdated versions with vulnerabilities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 3719/TCP?
Port 3719/TCP is associated with the itelserverport service. iTel Server Port
Is it safe to expose port 3719 to the Internet?
It depends on the service and configuration. Port 3719 (itelserverport) 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 3719 is open?
You can use nmap: `nmap -p 3719 -sV example.com`, netcat: `nc -zv example.com 3719`, or the bash command: `(echo > /dev/tcp/example.com/3719) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3719 on my firewall?
On Linux with UFW: `sudo ufw allow 3719/tcp` (open) or `sudo ufw deny 3719/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 3719 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3719" dir=in action=allow protocol=TCP localport=3719`.
What applications and services use port 3719?
Port 3719/TCP is used by the itelserverport service. Specific uses depend on the software and configuration. Check our related tools section for more information.