Browsing Tag

ports

Troubleshooting: Server Connection Errors

When connecting to a server, many aspects  can cause your connection to not complete correctly. Here are some aspects to check before jumping to conclusions.Can You Connect to Other Sites on the Internet?Access to other sites on the…

Install Nginx on Ubuntu 16.04

Nginx is an open source Linux web server that accelerates content while utilizing low resources. Known for its performance and stability Nginx has many other uses such as load balancing, reverse proxy, mail proxy, and HTTP cache. With all…

Windows Firewall Basics

A firewall is a program installed on your computer or a piece of hardware that uses a rule set to block or allow access to a computer, server or network. It separates your internal network from the external network (the Internet).Firewalls…

An Introduction to Firewalld

In some ways, firewalld on systemd systems is easier to manage and configure than iptables. There are, for the most part, no long series of chains, jumps, accepts and denies that you need to memorize in order to get firewalld up and running…