What are these open ports on my Linux server, and why are they there?
I ran netstat on a server and found ports 445, 1433, 3306, and 21, but I'm not sure what services they represent or why they're open. I assumed…
netstat
What Are These Open Ports on My Linux Server, and How Did They Get There?
I ran netstat on a server I believe is running Linux and found ports 445, 1433, 3306, and 21 open. I'm not sure what services normally use these…
How Do I Check Which Services Are Listening on All IPv4 Interfaces (Excluding Localhost)?
I'm currently auditing a Debian 12 server and need to identify all services that are listening on **all IPv4 interfaces**, while excluding those tied to **localhost (127.0.0.1)**. So…