Twin directories of jail:

[DIR]  ftp://ftp.dei.uc.pt/pub/linux/gentoo/portage/app-misc/jail/
[DIR]  ftp://ftp.ecc.u-tokyo.ac.jp/mirror/ftp1.debian.or.jp/debian/pool/pool/main/j/jail/
[DIR]  ftp://ftp.zcu.cz/pub/linux/debian/pool/main/j/jail/
[DIR]  ftp://130.75.2.22/pub/mirror/linux/opensuse/repositories/server/jail/
[DIR]  ftp://130.75.2.22/pub/mirror/linux/debian-mirror/debian/pool/main/j/jail/
[DIR]  ftp://ftp.uni-heidelberg.de/pub/linux/opensuse/repositories/server/jail/
[DIR]  ftp://130.75.2.80/pub/mirror/linux/opensuse/repositories/server/jail/
[DIR]  ftp://ftp.int-evry.fr/mirror1/ubuntu.com/ubuntu-cd/.debian-mirror/pool/main/j/jail/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/4.0-stable/src/usr.sbin/jail/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/4.0-stable/src/share/doc/papers/jail/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/-current/src/usr.sbin/jail/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/-current/src/share/doc/papers/jail/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/-current/doc/zh_CN.GB2312/books/arch-handbook/jail/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/branches/-current/doc/en_US.ISO8859-1/books/arch-handbook/jail/
[DIR]  ftp://ftp.radio-msu.net/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/papers/jail/
[DIR]  ftp://ftp.udc.es/mirror/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.li.kernel.org/pub/.6/gentoo-portage/app-misc/jail/
[DIR]  ftp://77.88.19.68/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.swin.edu.au/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.nz.debian.org/gentoo-x86-portage/app-misc/jail/
[DIR]  ftp://ftp.linux.hr/gentoo/portage/app-misc/jail/
[DIR]  ftp://ftp.ing.umu.se/linux/gentoo-portage/app-misc/jail/
[DIR]  ftp://mir1.ovh.net/lv0/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.ecc.u-tokyo.ac.jp/mirror2/rsync1.us.gentoo.org/portage/app-misc/jail/
[DIR]  ftp://ftp.esat.net/mirrors/.0/rsync.gentoo.org/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.esat.net/mirrors/.0/rsync.gentoo.org/gentoo-x86-portage/app-misc/jail/
[DIR]  ftp://ftp.uevora.pt/mirrors/gentoo.org/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.cs.univ-paris8.fr/mirrors/rsync.gentoo.org/gentoo-portage/app-misc/jail/
[DIR]  ftp://gentoo.inode.at/portage/app-misc/jail/
[DIR]  ftp://128.118.2.96/pub/.mirrors/2/ftp.ibiblio.org/pub/linux/distributions/gentoo/gentoo-x86-portage/app-misc/jail/
[DIR]  ftp://128.118.2.96/pub/.mirrors/2/rsync.gentoo.org/app-misc/jail/
[DIR]  ftp://ftp.fi.debian.org/pub/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.mgts.by/pub/gentoo/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/gentoo/portage/app-misc/jail/
[DIR]  ftp://ftp.uvsq.fr/pub/gentoo/portage/app-misc/jail/
[DIR]  ftp://ftp.monash.edu/pub/linux/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.uni-kl.de/pub/linux/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/ALL_primary_servers/rsync/mirrors.sec.informatik.tu-darmstadt.de/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.cs.mun.ca/pub/mirror/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.tiscali.nl/pub/mirror/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.sh.cvut.cz/storage/1/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.cs.rose-hulman.edu/gentoo-portage/app-misc/jail/
[DIR]  ftp://ftp.lug.udel.edu/pub/gentoo/portage/app-misc/jail/
[DIR]  ftp://ftp.rmt.ru/.1/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/share/doc/papers/jail/
[DIR]  ftp://ftp.cesnet.cz/.vol/releases.ubuntulinux.org/ubuntu/pool/universe/j/jail/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/DragonFlyBSD-CVS/src/usr.sbin/jail/
[DIR]  ftp://ftp.csie.ncu.edu.tw/DragonFlyBSD/dcvs/src/usr.sbin/jail/
[DIR]  ftp://ftp.mgts.by/pub/ubuntu/pool/universe/j/jail/
[DIR]  ftp://ftp.cosy.sbg.ac.at/debian/pool/main/j/jail/