All ports
Port5151/UDP
esri_sdePort
5151
Protocol
UDP
Category
Registered
Service
esri_sde
What is port 5151?
Port 5151/UDP is a Registered port, registered with IANA for specific applications. It is associated with the esri_sde service.
ESRI SDE Remote Start
Useful commands
nmapnmap -p 5151 -sV example.comnetcatnc -zv example.com 5151curlcurl -v http://example.com:5151/telnettelnet example.com 5151bash(echo > /dev/udp/example.com/5151) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 5151/udpDeny
sudo ufw deny 5151/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 5151 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 5151 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=5151/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 5151" dir=in action=allow protocol=UDP localport=5151Security 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- Outdated versions with vulnerabilities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 5151/UDP?
Port 5151/UDP is associated with the esri_sde service. ESRI SDE Remote Start
Is it safe to expose port 5151 to the Internet?
It depends on the service and configuration. Port 5151 (esri_sde) 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 5151 is open?
You can use nmap: `nmap -p 5151 -sV example.com`, netcat: `nc -zv example.com 5151`, or the bash command: `(echo > /dev/udp/example.com/5151) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 5151 on my firewall?
On Linux with UFW: `sudo ufw allow 5151/udp` (open) or `sudo ufw deny 5151/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 5151 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 5151" dir=in action=allow protocol=UDP localport=5151`.
What applications and services use port 5151?
Port 5151/UDP is used by the esri_sde service. Specific uses depend on the software and configuration. Check our related tools section for more information.