All ports
Port3423/TCP
xtrmPort
3423
Protocol
TCP
Category
Registered
Service
xtrm
What is port 3423?
Port 3423/TCP is a Registered port, registered with IANA for specific applications. It is associated with the xtrm service.
xTrade Reliable Messaging
Useful commands
nmapnmap -p 3423 -sV example.comnetcatnc -zv example.com 3423curlcurl -v http://example.com:3423/telnettelnet example.com 3423bash(echo > /dev/tcp/example.com/3423) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3423/tcpDeny
sudo ufw deny 3423/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 3423 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 3423 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3423/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3423" dir=in action=allow protocol=TCP localport=3423Security 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- Outdated versions with vulnerabilities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 3423/TCP?
Port 3423/TCP is associated with the xtrm service. xTrade Reliable Messaging
Is it safe to expose port 3423 to the Internet?
It depends on the service and configuration. Port 3423 (xtrm) 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 3423 is open?
You can use nmap: `nmap -p 3423 -sV example.com`, netcat: `nc -zv example.com 3423`, or the bash command: `(echo > /dev/tcp/example.com/3423) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3423 on my firewall?
On Linux with UFW: `sudo ufw allow 3423/tcp` (open) or `sudo ufw deny 3423/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 3423 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3423" dir=in action=allow protocol=TCP localport=3423`.
What applications and services use port 3423?
Port 3423/TCP is used by the xtrm service. Specific uses depend on the software and configuration. Check our related tools section for more information.