All ports
Port3782/TCP
iso-tp0sPort
3782
Protocol
TCP
Category
Registered
Service
iso-tp0s
What is port 3782?
Port 3782/TCP is a Registered port, registered with IANA for specific applications. It is associated with the iso-tp0s service.
Secure ISO TP0 port
Useful commands
nmapnmap -p 3782 -sV example.comnetcatnc -zv example.com 3782curlcurl -v http://example.com:3782/telnettelnet example.com 3782bash(echo > /dev/tcp/example.com/3782) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3782/tcpDeny
sudo ufw deny 3782/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 3782 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 3782 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3782/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3782" dir=in action=allow protocol=TCP localport=3782Security 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- Outdated versions with vulnerabilities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 3782/TCP?
Port 3782/TCP is associated with the iso-tp0s service. Secure ISO TP0 port
Is it safe to expose port 3782 to the Internet?
It depends on the service and configuration. Port 3782 (iso-tp0s) 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 3782 is open?
You can use nmap: `nmap -p 3782 -sV example.com`, netcat: `nc -zv example.com 3782`, or the bash command: `(echo > /dev/tcp/example.com/3782) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3782 on my firewall?
On Linux with UFW: `sudo ufw allow 3782/tcp` (open) or `sudo ufw deny 3782/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 3782 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3782" dir=in action=allow protocol=TCP localport=3782`.
What applications and services use port 3782?
Port 3782/TCP is used by the iso-tp0s service. Specific uses depend on the software and configuration. Check our related tools section for more information.