Defaults env_keep +="http_proxy"
Defaults env_keep +="HTTP_PROXY"
Defaults env_keep +="https_proxy"
Defaults env_keep +="HTTPS_PROXY"
Defaults env_keep +="ftp_proxy"
Defaults env_keep +="FTP_PROXY"
Defaults env_keep +="no_proxy"
Defaults env_keep +="NO_PROXY"
