title: Ruby woes - gems won't work, "could not find valid gem 'sass'" port 443
body: <p>The past few days I keep getting this error whenever I try to install a gem:</p>
  
  <pre><code>ERROR:  Could not find a valid gem 'sass' (&gt;= 0), here is why:
            Unable to download data from https://rubygems.org/ - Errno::EACCES: Pe
  rmission denied - connect(2) for "rubygems.org" port 443 (https://rubygems.org/l
  atest_specs.4.8.gz)
  </code></pre>
  
  <p>I have tried this:</p>
  
  <pre><code>gem install rails --source http://rubygems.org
  </code></pre>
  
  <p>Have updated my gem version (now 2.2.3) and still nothing. I'm at a complete loss...Where am I going wrong?</p>