Tag: Internet Protocol

How to Locate Open Ports in Linux

Posted on January 20, 2021 by David Singer | Updated: March 4, 2021

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

openports

What is a Port?

First, let’s define what a port is. According to the IEFT, a port is:

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