All ports
Port8091/TCP
jamlinkPort
8091
Protocol
TCP
Category
Registered
Service
jamlink
What is port 8091?
Port 8091/TCP is a Registered port, registered with IANA for specific applications. It is associated with the jamlink service.
Jam Link Framework
Useful commands
nmapnmap -p 8091 -sV example.comnetcatnc -zv example.com 8091curlcurl -v http://example.com:8091/telnettelnet example.com 8091bash(echo > /dev/tcp/example.com/8091) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 8091/tcpDeny
sudo ufw deny 8091/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 8091 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 8091 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=8091/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 8091" dir=in action=allow protocol=TCP localport=8091Security 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- Outdated versions with vulnerabilities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 8091/TCP?
Port 8091/TCP is associated with the jamlink service. Jam Link Framework
Is it safe to expose port 8091 to the Internet?
It depends on the service and configuration. Port 8091 (jamlink) 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 8091 is open?
You can use nmap: `nmap -p 8091 -sV example.com`, netcat: `nc -zv example.com 8091`, or the bash command: `(echo > /dev/tcp/example.com/8091) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 8091 on my firewall?
On Linux with UFW: `sudo ufw allow 8091/tcp` (open) or `sudo ufw deny 8091/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 8091 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 8091" dir=in action=allow protocol=TCP localport=8091`.
What applications and services use port 8091?
Port 8091/TCP is used by the jamlink service. Specific uses depend on the software and configuration. Check our related tools section for more information.