pip behind corporate firewall
Problem : Unable to install virtualenv using pip behind the proxy Solution : Similar to what we did when we installed git http://go-gaga-over-testing.blogspot.com.au/2015/04/setup-github-within-companys-firewall.html behind a company's firewall we shall set the proxy pip install --proxy="myproxyname.mydomain.com:8080" virtualenv Or pip install --proxy="http.proxy http[s]://userName:password(encoded)@proxyaddress:port" virtualenv For more information and if this solution doesn't work for you : Sources: http://stackoverflow.com/questions/21468550/pip-not-working-behind-firewall http://stackoverflow.com/questions/14149422/using-pip-behind-a-proxy