All ports
Port4096/TCP
brePort
4096
Protocol
TCP
Category
Registered
Service
bre
What is port 4096?
Port 4096/TCP is a Registered port, registered with IANA for specific applications. It is associated with the bre service.
BRE (Bridge Relay Element)
Useful commands
nmapnmap -p 4096 -sV example.comnetcatnc -zv example.com 4096curlcurl -v http://example.com:4096/telnettelnet example.com 4096bash(echo > /dev/tcp/example.com/4096) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4096/tcpDeny
sudo ufw deny 4096/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4096 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4096 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4096/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4096" dir=in action=allow protocol=TCP localport=4096Security 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- Outdated versions with vulnerabilities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 4096/TCP?
Port 4096/TCP is associated with the bre service. BRE (Bridge Relay Element)
Is it safe to expose port 4096 to the Internet?
It depends on the service and configuration. Port 4096 (bre) 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 4096 is open?
You can use nmap: `nmap -p 4096 -sV example.com`, netcat: `nc -zv example.com 4096`, or the bash command: `(echo > /dev/tcp/example.com/4096) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4096 on my firewall?
On Linux with UFW: `sudo ufw allow 4096/tcp` (open) or `sudo ufw deny 4096/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4096 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4096" dir=in action=allow protocol=TCP localport=4096`.
What applications and services use port 4096?
Port 4096/TCP is used by the bre service. Specific uses depend on the software and configuration. Check our related tools section for more information.