All ports
Port8161/UDP
patrol-snmpPort
8161
Protocol
UDP
Category
Registered
Service
patrol-snmp
What is port 8161?
Port 8161/UDP is a Registered port, registered with IANA for specific applications. It is associated with the patrol-snmp service.
Patrol SNMP
Useful commands
nmapnmap -p 8161 -sV example.comnetcatnc -zv example.com 8161curlcurl -v http://example.com:8161/telnettelnet example.com 8161bash(echo > /dev/udp/example.com/8161) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 8161/udpDeny
sudo ufw deny 8161/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 8161 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 8161 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=8161/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 8161" dir=in action=allow protocol=UDP localport=8161Security 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- Outdated versions with vulnerabilities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 8161/UDP?
Port 8161/UDP is associated with the patrol-snmp service. Patrol SNMP
Is it safe to expose port 8161 to the Internet?
It depends on the service and configuration. Port 8161 (patrol-snmp) 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 8161 is open?
You can use nmap: `nmap -p 8161 -sV example.com`, netcat: `nc -zv example.com 8161`, or the bash command: `(echo > /dev/udp/example.com/8161) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 8161 on my firewall?
On Linux with UFW: `sudo ufw allow 8161/udp` (open) or `sudo ufw deny 8161/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 8161 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 8161" dir=in action=allow protocol=UDP localport=8161`.
What applications and services use port 8161?
Port 8161/UDP is used by the patrol-snmp service. Specific uses depend on the software and configuration. Check our related tools section for more information.