Twin directories of kernel-headers:

[DIR]  ftp://82.96.64.7/pub/linux/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/kernel.org/pub/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.1/source/d/kernel-headers/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-current/source/d/kernel-headers/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-11.0/source/d/kernel-headers/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.0/source/d/kernel-headers/
[DIR]  ftp://ftp.saintjoe.edu/pub/linux/slackware/slackware-current/source/d/kernel-headers/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/ftp.kernel.org/pub/linux/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/slackware/source/d/kernel-headers/
[DIR]  ftp://debian.lcs.mit.edu/pub/linux/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/linux/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.cprm.net/.disk2/kernel/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.cprm.net/.disk0/slackware/slackware-12.1/source/d/kernel-headers/
[DIR]  ftp://ftp.armedslack.org/armedslack/armedslack-11.0/source/d/kernel-headers/
[DIR]  ftp://ftp.armedslack.org/armedslack/armedslack-current/source/d/kernel-headers/
[DIR]  ftp://ftp.armedslack.org/armedslack/loft/oldsource/kernel-headers/
[DIR]  ftp://ftp.farlep.net/pub/linux/Slackware-12.0/d4/source/d/kernel-headers/
[DIR]  ftp://ftp.datacomm.ch/pub/mirror/ftp.kernel.org/linux/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.scw.net.br/pub/slamd64/slamd64-12.2/source/d/kernel-headers/
[DIR]  ftp://ftp.skynet.be/mirror1/slackware.com/slackware-current/source/d/kernel-headers/
[DIR]  ftp://ftp.skynet.be/mirror1/slackware.com/slackware-11.0/source/d/kernel-headers/
[DIR]  ftp://ftp.skynet.be/mirror1/slackware.com/slackware-12.0/source/d/kernel-headers/
[DIR]  ftp://ftp.skynet.be/mirror1/slackware.com/slackware-12.1/source/d/kernel-headers/
[DIR]  ftp://ftp.skynet.be/mirror1/slackware.com/slackware-12.2/source/d/kernel-headers/
[DIR]  ftp://ftp.kreonet.re.kr/linux/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.kreonet.re.kr/Linux2/slackware/slackware-10.0/source/d/kernel-headers/
[DIR]  ftp://ftp.cs.helsinki.fi/pub/Software/Linux/Kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://129.21.60.34/pub/linux/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/slackware/source/d/kernel-headers/
[DIR]  ftp://ftp.slackware.at/slackware-12.2/source/d/kernel-headers/
[DIR]  ftp://ftp.port80.se/pub/linux/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.cc.keio.ac.jp/kernel.org/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://130.251.19.2/pub/linux/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/kernel.org/linux/kernel/people/dwmw2/kernel-headers/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-11.0/source/d/kernel-headers/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-12.0/source/d/kernel-headers/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-current/source/d/kernel-headers/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-10.0/source/d/kernel-headers/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-10.1/source/d/kernel-headers/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/slackware/slackware-10.2/source/d/kernel-headers/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-8.1/source/d/kernel-headers/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-9.0/source/d/kernel-headers/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-9.1/source/d/kernel-headers/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-current/source/d/kernel-headers/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-12.0/source/d/kernel-headers/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-12.1/source/d/kernel-headers/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-10.2/source/d/kernel-headers/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-11.0/source/d/kernel-headers/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-10.0/source/d/kernel-headers/
[DIR]  ftp://ftp.swin.edu.au/slackware/slackware-10.1/source/d/kernel-headers/