[dennou-ruby:002514] numru-install.rb

[Shin-ichi Takehiro <takepiro@xxxxxxxxxxxxxx>]

竹広です. 

Firewall の壁がきびしいマシンへ dennou-ruby 製品を
インストールしようとしているのですが, numru-install.rb を
実行すると以下のようなメッセージがでてとまってしまいます. 

原因と対処方法をご指導頂ければありがたいです. 

                    Takepiro(竹広真一)＠数理解析研究所. 京都大学
                      	E-mail:takepiro@xxxxxxxxxxxxxx
			       takepiro@xxxxxxxxxxxxxxxxxxxx

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Connecting remote servers and getting the list of packages...

    ftp://www.gfd-dennou.org/arch/ruby/products/ ... 
/usr/lib/ruby/1.8/net/ftp.rb:241:in `getresp': 425 Unable to build data connection: No route to host (Net::FTPTempError)
        from /usr/lib/ruby/1.8/net/ftp.rb:264:in `sendcmd'
        from /usr/lib/ruby/1.8/monitor.rb:229:in `synchronize'
        from /usr/lib/ruby/1.8/net/ftp.rb:262:in `sendcmd'
        from /usr/lib/ruby/1.8/net/ftp.rb:336:in `transfercmd'
        from /usr/lib/ruby/1.8/net/ftp.rb:421:in `retrlines'
        from /usr/lib/ruby/1.8/monitor.rb:229:in `synchronize'
        from /usr/lib/ruby/1.8/net/ftp.rb:419:in `retrlines'
        from /usr/lib/ruby/1.8/net/ftp.rb:628:in `list'
        from numru-install.rb:229:in `ftp_get_list_dennou_ruby'
        from numru-install.rb:268:in `get_list'
        from numru-install.rb:371:in `check_latest_ver'
        from numru-install.rb:445:in `initialize'
        from numru-install.rb:989

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