What is an FQDN?
Posted on by Ronald Caldwell
Category: Other | Tags: Domain, Domain Name, FQDN, Fully Qualified Domain Name, Protocol, Subdomain, TLD, Top-Level Domain
Reading Time: 3 minutes
A domain is a unique Internet address for websites that is readable by humans. When working with domains and domain name system (DNS) management, it is helpful to understand what is a fully qualified domain name (FQDN). This article will help explain the concept of an FQDN and what makes up a domain name.
How to Locate Open Ports in Linux
Posted on by David Singer | Updated:
Category: Tutorials | Tags: Administrator, Bash, Common Ports, Common Questions, Dynamic Ports, Encryption, Firewall, FTP, IANA, Internet Protocol, Linux, Linux Server, Linux Services, Listening, lsof, Manage, nc, Netcat, Netstat, NMAP, Permissions, Ports, Protocol, Protocols, Root, Security, Security Policy, Security Practices, Server, Server Administration, Services, SFTP, ss, SSH, SSH Keys, SSH Ports, SSH Tunnel, SSHD Conf, SSL, System Administration, TCP, Telnet, UDP, Well Known Ports, Windows, Windows 10
Reading Time: 9 minutes
What is a Port?
First, let’s define what a port is. According to the IEFT, a port is:
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