All ports
Port3519/TCP
nvmsgdPort
3519
Protocol
TCP
Category
Registered
Service
nvmsgd
What is port 3519?
Port 3519/TCP is a Registered port, registered with IANA for specific applications. It is associated with the nvmsgd service.
Netvion Messenger Port
Useful commands
nmapnmap -p 3519 -sV example.comnetcatnc -zv example.com 3519curlcurl -v http://example.com:3519/telnettelnet example.com 3519bash(echo > /dev/tcp/example.com/3519) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3519/tcpDeny
sudo ufw deny 3519/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 3519 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 3519 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3519/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3519" dir=in action=allow protocol=TCP localport=3519Security 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- Outdated versions with vulnerabilities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 3519/TCP?
Port 3519/TCP is associated with the nvmsgd service. Netvion Messenger Port
Is it safe to expose port 3519 to the Internet?
It depends on the service and configuration. Port 3519 (nvmsgd) 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 3519 is open?
You can use nmap: `nmap -p 3519 -sV example.com`, netcat: `nc -zv example.com 3519`, or the bash command: `(echo > /dev/tcp/example.com/3519) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3519 on my firewall?
On Linux with UFW: `sudo ufw allow 3519/tcp` (open) or `sudo ufw deny 3519/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 3519 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3519" dir=in action=allow protocol=TCP localport=3519`.
What applications and services use port 3519?
Port 3519/TCP is used by the nvmsgd service. Specific uses depend on the software and configuration. Check our related tools section for more information.