All ports
Port3878/UDP
fotogcadPort
3878
Protocol
UDP
Category
Registered
Service
fotogcad
What is port 3878?
Port 3878/UDP is a Registered port, registered with IANA for specific applications. It is associated with the fotogcad service.
FotoG CAD interface
Useful commands
nmapnmap -p 3878 -sV example.comnetcatnc -zv example.com 3878curlcurl -v http://example.com:3878/telnettelnet example.com 3878bash(echo > /dev/udp/example.com/3878) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3878/udpDeny
sudo ufw deny 3878/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3878 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3878 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3878/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3878" dir=in action=allow protocol=UDP localport=3878Security 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- Outdated versions with vulnerabilities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 3878/UDP?
Port 3878/UDP is associated with the fotogcad service. FotoG CAD interface
Is it safe to expose port 3878 to the Internet?
It depends on the service and configuration. Port 3878 (fotogcad) 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 3878 is open?
You can use nmap: `nmap -p 3878 -sV example.com`, netcat: `nc -zv example.com 3878`, or the bash command: `(echo > /dev/udp/example.com/3878) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3878 on my firewall?
On Linux with UFW: `sudo ufw allow 3878/udp` (open) or `sudo ufw deny 3878/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3878 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3878" dir=in action=allow protocol=UDP localport=3878`.
What applications and services use port 3878?
Port 3878/UDP is used by the fotogcad service. Specific uses depend on the software and configuration. Check our related tools section for more information.