Port4664/TCP

ems

Port

4664

Protocol

TCP

What is port 4664?

Port 4664/TCP is a Registered port, registered with IANA for specific applications. It is associated with the ems service.

Rimage Messaging Server

Useful commands

nmapnmap -p 4664 -sV example.com

netcatnc -zv example.com 4664

curlcurl -v http://example.com:4664/

telnettelnet example.com 4664

bash(echo > /dev/tcp/example.com/4664) 2>/dev/null

Firewall commands

UFWAllow

sudo ufw allow 4664/tcp

Deny

sudo ufw deny 4664/tcp

iptablesAllow

sudo iptables -A INPUT -p tcp --dport 4664 -j ACCEPT

Deny

sudo iptables -D INPUT -p tcp --dport 4664 -j ACCEPT

firewalldAllow

sudo firewall-cmd --permanent --add-port=4664/tcp

WindowsAllow

netsh advfirewall firewall add rule name="Open Port 4664" dir=in action=allow protocol=TCP localport=4664

Security 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Outdated versions with vulnerabilities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 4664/TCP?

Port 4664/TCP is associated with the ems service. Rimage Messaging Server

Is it safe to expose port 4664 to the Internet?

It depends on the service and configuration. Port 4664 (ems) 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 4664 is open?

You can use nmap: `nmap -p 4664 -sV example.com`, netcat: `nc -zv example.com 4664`, or the bash command: `(echo > /dev/tcp/example.com/4664) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 4664 on my firewall?

On Linux with UFW: `sudo ufw allow 4664/tcp` (open) or `sudo ufw deny 4664/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4664 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4664" dir=in action=allow protocol=TCP localport=4664`.

What applications and services use port 4664?

Port 4664/TCP is used by the ems service. Specific uses depend on the software and configuration. Check our related tools section for more information.