Tips & Tricks
Common network troubleshooting commands
When trying to diagnose a problem accessing a website or server there are a number of command prompt commands that can be used to determine what may be wrong.
Editing the hosts file
Sometimes you may want to access a website hosted on a server before it's live, you can accomplish this by updating your operating system's "hosts" file to point a domain at a given IP and override the public DNS records.
Your connection to this server has been blocked in this server's firewall