All ports
Port11171/UDP
snssPort
11171
Protocol
UDP
Category
Registered
Service
snss
What is port 11171?
Port 11171/UDP is a Registered port, registered with IANA for specific applications. It is associated with the snss service.
Surgical Notes Security Service Discovery (SNSS)
Useful commands
nmapnmap -p 11171 -sV example.comnetcatnc -zv example.com 11171curlcurl -v http://example.com:11171/telnettelnet example.com 11171bash(echo > /dev/udp/example.com/11171) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 11171/udpDeny
sudo ufw deny 11171/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 11171 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 11171 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=11171/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 11171" dir=in action=allow protocol=UDP localport=11171Security 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- Outdated versions with vulnerabilities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 11171/UDP?
Port 11171/UDP is associated with the snss service. Surgical Notes Security Service Discovery (SNSS)
Is it safe to expose port 11171 to the Internet?
It depends on the service and configuration. Port 11171 (snss) 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 11171 is open?
You can use nmap: `nmap -p 11171 -sV example.com`, netcat: `nc -zv example.com 11171`, or the bash command: `(echo > /dev/udp/example.com/11171) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 11171 on my firewall?
On Linux with UFW: `sudo ufw allow 11171/udp` (open) or `sudo ufw deny 11171/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 11171 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 11171" dir=in action=allow protocol=UDP localport=11171`.
What applications and services use port 11171?
Port 11171/UDP is used by the snss service. Specific uses depend on the software and configuration. Check our related tools section for more information.