All ports
Port7123/TCP
snifPort
7123
Protocol
TCP
Category
Registered
Service
snif
What is port 7123?
Port 7123/TCP is a Registered port, registered with IANA for specific applications. It is associated with the snif service.
End-to-end TLS Relay Control Connection
Useful commands
nmapnmap -p 7123 -sV example.comnetcatnc -zv example.com 7123curlcurl -v http://example.com:7123/telnettelnet example.com 7123bash(echo > /dev/tcp/example.com/7123) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 7123/tcpDeny
sudo ufw deny 7123/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 7123 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 7123 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=7123/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 7123" dir=in action=allow protocol=TCP localport=7123Security 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- Outdated versions with vulnerabilities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 7123/TCP?
Port 7123/TCP is associated with the snif service. End-to-end TLS Relay Control Connection
Is it safe to expose port 7123 to the Internet?
It depends on the service and configuration. Port 7123 (snif) 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 7123 is open?
You can use nmap: `nmap -p 7123 -sV example.com`, netcat: `nc -zv example.com 7123`, or the bash command: `(echo > /dev/tcp/example.com/7123) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 7123 on my firewall?
On Linux with UFW: `sudo ufw allow 7123/tcp` (open) or `sudo ufw deny 7123/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 7123 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 7123" dir=in action=allow protocol=TCP localport=7123`.
What applications and services use port 7123?
Port 7123/TCP is used by the snif service. Specific uses depend on the software and configuration. Check our related tools section for more information.