Twin directories of BSD:

[DIR]  ftp://ftp.heitec.net/repo/src/contrib/ipfilter/BSD/
[DIR]  ftp://ftp.ntut.edu.tw/CPAN/authors/id/T/TB/TBONECA/BSD/
[DIR]  ftp://ftp.kddlabs.co.jp/21/lang/perl/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp5.freebsd.org/pub/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp5.freebsd.org/pub/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.thquast.de/mirror/ftp.funet.fi/pub/languages/perl/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.thquast.de/mirror/ftp.funet.fi/pub/languages/perl/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.sg.freebsd.org/d/a/cpan.org/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.sg.freebsd.org/d/a/cpan.org/modules/by-module/BSD/
[DIR]  ftp://ftp.in2p3.fr/pub/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.uoregon.edu/pub/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.in2p3.fr/pub/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.uoregon.edu/pub/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.ucr.ac.cr/pub/Unix/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.linux.pt/pub/mirrors/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://208.209.50.19/pub/perl/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://208.209.50.19/pub/perl/modules/by-module/BSD/
[DIR]  ftp://ftp.linuxforum.net/pub/www/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.linuxforum.net/pub/www/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.cgu.edu.tw/pub3/Mirror/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.cgu.edu.tw/pub3/Mirror/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.onenet.net/mirrors/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.kaist.ac.kr/NetBSD/NetBSD-current/src/dist/ipf/BSD/
[DIR]  ftp://ftp5.freebsd.org/pub/NetBSD/NetBSD-current/src/dist/ipf/BSD/
[DIR]  ftp://ftp.us.vim.org/pub/NetBSD/NetBSD-current/src/dist/ipf/BSD/
[DIR]  ftp://ftp.cosy.sbg.ac.at/pub/mirror/CPAN/authors/id/T/TB/TBONECA/BSD/
[DIR]  ftp://ftp.cosy.sbg.ac.at/pub/mirror/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.cosy.sbg.ac.at/pub/mirror/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror2/BSD/
[DIR]  ftp://ftp.man.szczecin.pl/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/ipfilter/BSD/
[DIR]  ftp://ftp.mtu.ru/.3/FreeBSD/development/FreeBSD-CVS/src/contrib/ipfilter/BSD/
[DIR]  ftp://ftp.gwdg.de/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/ipfilter/BSD/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/ipfilter/BSD/
[DIR]  ftp://ftp.metu.edu.tr/pub/mirrors/ftp.freebsd.org/development/FreeBSD-CVS/src/contrib/ipfilter/BSD/
[DIR]  ftp://ftp.ucsd.edu/mirror2/FreeBSD/development/FreeBSD-CVS/src/contrib/ipfilter/BSD/
[DIR]  ftp://ftp.sfc.wide.ad.jp/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/ipfilter/BSD/
[DIR]  ftp://ftp.uvsq.fr/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/ipfilter/BSD/
[DIR]  ftp://ftp.ntut.edu.tw/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.ntut.edu.tw/CPAN/modules/by-module/BSD/
[DIR]  ftp://zoffy.asahi-net.or.jp/pub/lang/perl/CPAN/modules/by-module/BSD/
[DIR]  ftp://zoffy.asahi-net.or.jp/pub/lang/perl/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.ucsd.edu/mirror/perl/CPAN/ftp.funet.fi/pub/languages/perl/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.ucsd.edu/mirror/perl/CPAN/ftp.funet.fi/pub/languages/perl/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.cs.uni-bonn.de/pub/mirror/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/modules/by-module/BSD/
[DIR]  ftp://ftp.dntis.ro/pub/.1/ftp.cpan.org/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.dntis.ro/pub/.1/ftp.cpan.org/CPAN/modules/by-module/BSD/
[DIR]  ftp://ftp.uni-siegen.de/pub/CPAN/modules/by-category/04_Operating_System_Interfaces/BSD/
[DIR]  ftp://ftp.uni-siegen.de/pub/CPAN/modules/by-module/BSD/