Hi, In message "[ruby-talk:03186] Re: about sample "dualstack-fetch.rb"" on 00/06/08, "Dominique Cretel" <dominique.cretel / cfwb.be> writes: |I have downloaded the package |ftp://ftp.netlab.co.jp/pub/lang/ruby/pc/rbdj144.zip | |Do I need other packages? Well, I'm not DOS/Windows guru, but I think rbdj144, which is compiled by DJGPP, is not able to talk with socket. Use rbcw144.zip with proper cygwin dll. matz.