All ports
Port4018/TCP
talarian-mcast4Port
4018
Protocol
TCP
Category
Registered
Service
talarian-mcast4
What is port 4018?
Port 4018/TCP is a Registered port, registered with IANA for specific applications. It is associated with the talarian-mcast4 service.
Talarian Mcast
Useful commands
nmapnmap -p 4018 -sV example.comnetcatnc -zv example.com 4018curlcurl -v http://example.com:4018/telnettelnet example.com 4018bash(echo > /dev/tcp/example.com/4018) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4018/tcpDeny
sudo ufw deny 4018/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4018 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4018 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4018/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4018" dir=in action=allow protocol=TCP localport=4018Security 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- Outdated versions with vulnerabilities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 4018/TCP?
Port 4018/TCP is associated with the talarian-mcast4 service. Talarian Mcast
Is it safe to expose port 4018 to the Internet?
It depends on the service and configuration. Port 4018 (talarian-mcast4) 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 4018 is open?
You can use nmap: `nmap -p 4018 -sV example.com`, netcat: `nc -zv example.com 4018`, or the bash command: `(echo > /dev/tcp/example.com/4018) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4018 on my firewall?
On Linux with UFW: `sudo ufw allow 4018/tcp` (open) or `sudo ufw deny 4018/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4018 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4018" dir=in action=allow protocol=TCP localport=4018`.
What applications and services use port 4018?
Port 4018/TCP is used by the talarian-mcast4 service. Specific uses depend on the software and configuration. Check our related tools section for more information.