All ports
Port3786/UDP
upstriggervswPort
3786
Protocol
UDP
Category
Registered
Service
upstriggervsw
What is port 3786?
Port 3786/UDP is a Registered port, registered with IANA for specific applications. It is associated with the upstriggervsw service.
VSW Upstrigger port
Useful commands
nmapnmap -p 3786 -sV example.comnetcatnc -zv example.com 3786curlcurl -v http://example.com:3786/telnettelnet example.com 3786bash(echo > /dev/udp/example.com/3786) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3786/udpDeny
sudo ufw deny 3786/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3786 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3786 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3786/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3786" dir=in action=allow protocol=UDP localport=3786Security 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- Outdated versions with vulnerabilities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 3786/UDP?
Port 3786/UDP is associated with the upstriggervsw service. VSW Upstrigger port
Is it safe to expose port 3786 to the Internet?
It depends on the service and configuration. Port 3786 (upstriggervsw) 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 3786 is open?
You can use nmap: `nmap -p 3786 -sV example.com`, netcat: `nc -zv example.com 3786`, or the bash command: `(echo > /dev/udp/example.com/3786) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3786 on my firewall?
On Linux with UFW: `sudo ufw allow 3786/udp` (open) or `sudo ufw deny 3786/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3786 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3786" dir=in action=allow protocol=UDP localport=3786`.
What applications and services use port 3786?
Port 3786/UDP is used by the upstriggervsw service. Specific uses depend on the software and configuration. Check our related tools section for more information.