How to close a port or ports in Ubuntu (Linux) by default using ip-tables

How to close a port or ports in Ubuntu (Linux) by default using ip-tables

Tiempo de lectura: 2 minutos Reading Time: < 1 minute Following the tutorial on How to Open a Port in Ubuntu (Linux) by Default using IP Tables, we will learn how to close a port in Ubuntu using IP Tables. Ubuntu To check if the port is open, you can use the following website: https://www.yougetsignal.com/tools/open-ports/. Enter your machine’s IP and … Read more