PPM> install Net-Telnet Install package 'Net-Telnet?' (y/N): y Installing package 'Net-Telnet'... Error installing package 'Net-Telnet': Could not locate a PPD file for package N et-Telnet #### If you are behind a firewall, you may need to set the following environment variables so that PPM will operate properly: set HTTP_proxy=address:port [e.g. 192.0.0.1:8080] set HTTP_proxy_user=username set HTTP_proxy_pass=password set HTTP_proxy_agent=agent [e.g. "Mozilla/5.0"]