How can I set a proxy server for gem?

Question

I am unable to install SASS through command prompt.

I tried below steps

c:\\gem install sass

I am getting below error:

Answer 1

For http/https proxy with or without authentication:

Run one of the following commands in cmd.exe

set http_proxy=http://your_proxy:your_port
set http_proxy=http://username:password@your_proxy:your_port
set https_proxy=https://your_proxy:your_port
set https_proxy=https://username:password@your_proxy:your_port