Disable IPV6 on Debian Lenny (quick howto)
Here’s a very quick howto on disabling IPV6 on Debian (Lenny), this is not a new argument and neither an unknown solution, it’s just how to disable IPV6 on Debian with less impact as possible on your machine config in “the debian way”. More here
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When using newer kernels, like 2.6.30, does not the suggested method work anymore. Instead ipv6.disable=1 has to be added to the kernel options in /boot/grub/menu.lst