All ports
Port40843/TCP
csccfirewallPort
40843
Protocol
TCP
Category
Registered
Service
csccfirewall
What is port 40843?
Port 40843/TCP is a Registered port, registered with IANA for specific applications. It is associated with the csccfirewall service.
CSCCFIREWALL
Useful commands
nmapnmap -p 40843 -sV example.comnetcatnc -zv example.com 40843curlcurl -v http://example.com:40843/telnettelnet example.com 40843bash(echo > /dev/tcp/example.com/40843) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 40843/tcpDeny
sudo ufw deny 40843/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 40843 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 40843 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=40843/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 40843" dir=in action=allow protocol=TCP localport=40843Security 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- Outdated versions with vulnerabilities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 40843/TCP?
Port 40843/TCP is associated with the csccfirewall service. CSCCFIREWALL
Is it safe to expose port 40843 to the Internet?
It depends on the service and configuration. Port 40843 (csccfirewall) 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 40843 is open?
You can use nmap: `nmap -p 40843 -sV example.com`, netcat: `nc -zv example.com 40843`, or the bash command: `(echo > /dev/tcp/example.com/40843) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 40843 on my firewall?
On Linux with UFW: `sudo ufw allow 40843/tcp` (open) or `sudo ufw deny 40843/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 40843 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 40843" dir=in action=allow protocol=TCP localport=40843`.
What applications and services use port 40843?
Port 40843/TCP is used by the csccfirewall service. Specific uses depend on the software and configuration. Check our related tools section for more information.