How to fix ERR_UNSAFE_PORT error on Chrome when browsing to unsafe ports

I'm getting this error when connecting to a web server on port 6666 (http://myserver:6666/):

Error 312 (net::ERR_UNSAFE_PORT): Unknown error.

Is there an easy way to resolve this without rebuilding Chrome from source?

On Windows:

Right Click on Chrome shortcut >> Properties >>

Then Append --explicitly-allowed-ports=xxx to shortcut target

Example:

C:\Documents and Settings\User\Local Settings\Application Data\Google\Chrome\Application\chrome.exe --explicitly-allowed-ports=6666

Resource from here

You may be able to turn this off in Google Chrome, but you do so at your own risk. There is actually a good security reason why Chrome blocks these ports: Basically you open your browser up to being an open proxy for attackers to use to attack other services on your network.

For more information: Why does Chrome consider some ports unsafe?