All ports
Port11434/TCP
ollamaPort
11434
Protocol
TCP
Category
Registered
Service
ollama
What is port 11434?
Port 11434/TCP is a Registered port, registered with IANA for specific applications. It is associated with the ollama service.
Ollama
Useful commands
nmapnmap -p 11434 -sV example.comnetcatnc -zv example.com 11434curlcurl -v http://example.com:11434/telnettelnet example.com 11434bash(echo > /dev/tcp/example.com/11434) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 11434/tcpDeny
sudo ufw deny 11434/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 11434 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 11434 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=11434/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 11434" dir=in action=allow protocol=TCP localport=11434Security 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- Outdated versions with vulnerabilities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 11434/TCP?
Port 11434/TCP is associated with the ollama service. Ollama
Is it safe to expose port 11434 to the Internet?
It depends on the service and configuration. Port 11434 (ollama) 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 11434 is open?
You can use nmap: `nmap -p 11434 -sV example.com`, netcat: `nc -zv example.com 11434`, or the bash command: `(echo > /dev/tcp/example.com/11434) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 11434 on my firewall?
On Linux with UFW: `sudo ufw allow 11434/tcp` (open) or `sudo ufw deny 11434/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 11434 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 11434" dir=in action=allow protocol=TCP localport=11434`.
What applications and services use port 11434?
Port 11434/TCP is used by the ollama service. Specific uses depend on the software and configuration. Check our related tools section for more information.