All ports
Port3477/UDP
ecommPort
3477
Protocol
UDP
Category
Registered
Service
ecomm
What is port 3477?
Port 3477/UDP is a Registered port, registered with IANA for specific applications. It is associated with the ecomm service.
eComm link port
Useful commands
nmapnmap -p 3477 -sV example.comnetcatnc -zv example.com 3477curlcurl -v http://example.com:3477/telnettelnet example.com 3477bash(echo > /dev/udp/example.com/3477) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3477/udpDeny
sudo ufw deny 3477/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3477 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3477 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3477/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3477" dir=in action=allow protocol=UDP localport=3477Security 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- Outdated versions with vulnerabilities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 3477/UDP?
Port 3477/UDP is associated with the ecomm service. eComm link port
Is it safe to expose port 3477 to the Internet?
It depends on the service and configuration. Port 3477 (ecomm) 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 3477 is open?
You can use nmap: `nmap -p 3477 -sV example.com`, netcat: `nc -zv example.com 3477`, or the bash command: `(echo > /dev/udp/example.com/3477) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3477 on my firewall?
On Linux with UFW: `sudo ufw allow 3477/udp` (open) or `sudo ufw deny 3477/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3477 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3477" dir=in action=allow protocol=UDP localport=3477`.
What applications and services use port 3477?
Port 3477/UDP is used by the ecomm service. Specific uses depend on the software and configuration. Check our related tools section for more information.