How to fix Debian “Etch” network problems
Out of the box, the 4.0 “Etch” release comes with IPv.6 enabled. This causes lots of issues with connecting to the internet and updating/installing packages. The solution for this problem is as follows:
Open the file /etc/modprobe.d/aliases:
Change the following line from:
alias net-pf-10 ipv6
To:
alias net-pf-10 off
Reboot and enjoy your new-found ability to connect to the internet.
[summarized from Google’s linux.debian.user Group]
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