Twin directories of ids:

[DIR]  ftp://ftp.cs.rutgers.edu/ietf/ids/
[DIR]  ftp://ftp.kemsu.ru/pub/mirrors/ftp.avp.ru/diffs/bases/ids/
[DIR]  ftp://ftp.kemsu.ru/pub/mirrors/ftp.avp.ru/diffs/bases/five/ids/
[DIR]  ftp://ftp.kemsu.ru/pub/mirrors/ftp.avp.ru/bases/ids/
[DIR]  ftp://ftp.kfki.hu/pub/packages/security/COAST/ids/
[DIR]  ftp://ftp.registro.br/ietf/ids/
[DIR]  ftp://ftp.ripe.net/mirrors/ietf/ids/
[DIR]  ftp://ftp.efo.ru/pub/atmel/FPSLIC/SystemDesigner v3.0/ids/
[DIR]  ftp://ftp.3logic.net/pub/antivir/avp_base/bases/ids/
[DIR]  ftp://ftp.isi.edu/ietf/ids/
[DIR]  ftp://ftp.fhg.de/archive/gmd/div/documents/ietf/ids/
[DIR]  ftp://ftp.uar.net/pub/antivirus/AVP/bases/ids/
[DIR]  ftp://ftp.kaspersky.ee/updates/etalons/bases/ids/
[DIR]  ftp://ftp.kaspersky.ee/updates/etalons/diffs/bases/ids/
[DIR]  ftp://ftp.dntis.ro/pub/.1/ftp.hacktic.nl/security/coast.cs.purdue.edu/unix/ids/
[DIR]  ftp://ftp.nordnet.ru/pub/kaspersky/bases/five/ids/
[DIR]  ftp://ftp.nordnet.ru/pub/kaspersky/bases/ids/
[DIR]  ftp://ftp.ietf.org/ietf-online-proceedings/93nov/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.ietf.org/ietf-online-proceedings/94dec/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.ietf.org/ietf-online-proceedings/94jul/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.ietf.org/ietf-online-proceedings/94mar/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.ietf.org/ietf-online-proceedings/95apr/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.ietf.org/ietf-online-proceedings/95dec/area.and.wg.reports/app/ids/
[DIR]  ftp://ftp.ietf.org/ietf-online-proceedings/95jul/area.and.wg.reports/app/ids/
[DIR]  ftp://ftp.ietf.org/ietf-online-proceedings/96mar/area.and.wg.reports/app/ids/
[DIR]  ftp://ftp.ietf.org/ietf/ids/
[DIR]  ftp://ftp.ietf.org/concluded-wg-ietf-mail-archive/ids/
[DIR]  ftp://ftp.ics.kiev.ua/pub/ids/
[DIR]  ftp://ftp.ufanet.ru/pub/kaspersky/bases/five/ids/
[DIR]  ftp://ftp.ufanet.ru/pub/kaspersky/bases/ids/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf/ids/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf-mail-archive/concluded-wg-ietf-mail-archive/ids/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf-online-proceedings/93nov/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf-online-proceedings/94dec/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf-online-proceedings/94jul/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf-online-proceedings/94mar/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf-online-proceedings/95apr/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf-online-proceedings/95dec/area.and.wg.reports/app/ids/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf-online-proceedings/95jul/area.and.wg.reports/app/ids/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.nordu.net/ietf-online-proceedings/96mar/area.and.wg.reports/app/ids/
[DIR]  ftp://ftp.imag.fr/pub/archive/IETF/ietf/ids/
[DIR]  ftp://ftp.vub.ac.be/pub/projects/ids/
[DIR]  ftp://ftp.nordu.net/ietf-online-proceedings/93nov/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.nordu.net/ietf-online-proceedings/94dec/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.nordu.net/ietf-online-proceedings/94jul/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.nordu.net/ietf-online-proceedings/94mar/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.nordu.net/ietf-online-proceedings/95apr/area.and.wg.reports/usv/ids/
[DIR]  ftp://ftp.nordu.net/ietf-online-proceedings/95dec/area.and.wg.reports/app/ids/
[DIR]  ftp://ftp.nordu.net/ietf-online-proceedings/95jul/area.and.wg.reports/app/ids/
[DIR]  ftp://ftp.nordu.net/ietf/ids/