$ export https_proxy='87.248.188.202:8080'
$ export http_proxy='87.248.188.202:8080'$ curl https://icanhazip.com
87.248.188.202
$ curl http://icanhazip.com
87.248.188.202$ curl -sS https://getcomposer.org/installer | php(alternative: just download https://getcomposer.org/composer.phar, duh)
$ php composer.phar diagnose