All ports
Port3637/UDP
scservpPort
3637
Protocol
UDP
Category
Registered
Service
scservp
What is port 3637?
Port 3637/UDP is a Registered port, registered with IANA for specific applications. It is associated with the scservp service.
Customer Service Port
Useful commands
nmapnmap -p 3637 -sV example.comnetcatnc -zv example.com 3637curlcurl -v http://example.com:3637/telnettelnet example.com 3637bash(echo > /dev/udp/example.com/3637) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3637/udpDeny
sudo ufw deny 3637/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3637 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3637 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3637/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3637" dir=in action=allow protocol=UDP localport=3637Security 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- Outdated versions with vulnerabilities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 3637/UDP?
Port 3637/UDP is associated with the scservp service. Customer Service Port
Is it safe to expose port 3637 to the Internet?
It depends on the service and configuration. Port 3637 (scservp) 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 3637 is open?
You can use nmap: `nmap -p 3637 -sV example.com`, netcat: `nc -zv example.com 3637`, or the bash command: `(echo > /dev/udp/example.com/3637) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3637 on my firewall?
On Linux with UFW: `sudo ufw allow 3637/udp` (open) or `sudo ufw deny 3637/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3637 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3637" dir=in action=allow protocol=UDP localport=3637`.
What applications and services use port 3637?
Port 3637/UDP is used by the scservp service. Specific uses depend on the software and configuration. Check our related tools section for more information.