portsurvey log for ftp://ftp.digium.com

? ftp://ftp.digium.com/pub/libpri/libpri-1.2.3.tar.gz skipped: Net::FTP: connect: Invalid argument trying to connect
? ftp://ftp.digium.com/pub/libpri/libpri-1.4.1.tar.gz skipped: Net::FTP: connect: Invalid argument trying to connect
? ftp://ftp.digium.com/pub/libpri/old/libpri-1.2.3.tar.gz skipped: Net::FTP: connect: Invalid argument trying to connect
? ftp://ftp.digium.com/pub/libpri/old/libpri-1.4.1.tar.gz skipped: Net::FTP: connect: Invalid argument trying to connect