All ports
Port9559/TCP
p4runtimePort
9559
Protocol
TCP
Category
Registered
Service
p4runtime
What is port 9559?
Port 9559/TCP is a Registered port, registered with IANA for specific applications. It is associated with the p4runtime service.
P4Runtime gRPC Service
Useful commands
nmapnmap -p 9559 -sV example.comnetcatnc -zv example.com 9559curlcurl -v http://example.com:9559/telnettelnet example.com 9559bash(echo > /dev/tcp/example.com/9559) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 9559/tcpDeny
sudo ufw deny 9559/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 9559 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 9559 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=9559/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 9559" dir=in action=allow protocol=TCP localport=9559Security 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- Outdated versions with vulnerabilities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 9559/TCP?
Port 9559/TCP is associated with the p4runtime service. P4Runtime gRPC Service
Is it safe to expose port 9559 to the Internet?
It depends on the service and configuration. Port 9559 (p4runtime) 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 9559 is open?
You can use nmap: `nmap -p 9559 -sV example.com`, netcat: `nc -zv example.com 9559`, or the bash command: `(echo > /dev/tcp/example.com/9559) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 9559 on my firewall?
On Linux with UFW: `sudo ufw allow 9559/tcp` (open) or `sudo ufw deny 9559/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 9559 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 9559" dir=in action=allow protocol=TCP localport=9559`.
What applications and services use port 9559?
Port 9559/TCP is used by the p4runtime service. Specific uses depend on the software and configuration. Check our related tools section for more information.