ftp://ftp.rfc822.org/pub/mirror/security.debian.org/debian-security/pool/updates/main/b/  direct

[DIR]backup-manager/  direct  420+ twin directories
[DIR]bind9/  direct  1000+ twin directories
[DIR]b2evolution/  direct  410+ twin directories
[DIR]balsa/  direct  690+ twin directories
[DIR]bidwatcher/  direct  440+ twin directories
[DIR]bind/  direct  1000+ twin directories
[DIR]blender/  direct  750+ twin directories
[DIR]bluez-hcidump/  direct  650+ twin directories
[DIR]bluez-utils/  direct  900+ twin directories
[DIR]backupninja/  direct  380+ twin directories
[DIR]bonsai/  direct  350+ twin directories
[DIR]bcfg2/  direct  340+ twin directories
[DIR]bmv/  direct  330+ twin directories
[DIR]boa/  direct  500+ twin directories
[DIR]bochs/  direct  590+ twin directories
[DIR]bomberclone/  direct  510+ twin directories
[DIR]bnc/  direct  240+ twin directories
[DIR]bsdgames/  direct  430+ twin directories
[DIR]bsmtpd/  direct  340+ twin directories
[DIR]bugzilla/  direct  630+ twin directories
[DIR]bzip2/  direct  1000+ twin directories