Thread: Block Amazon Access ?
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Old 07-29-2011, 10:23 PM   #9
khmann
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Posts: 43
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Join Date: Jul 2011
Device: b006
Apologizes for necro-post, but I thought I'd share my solution. I'm old-skool unix guy, and I don't trust to manually edit a bazillion files in fear I might miss something, so I put a script in startup:

route add default reject

so there is default gateway of reject, usually dhcp client won't override it. But I am ultra paranoid, so I also

route add -net 0.0.0.0 netmask 128.0.0.0 reject
route add -net 128.0.0.0 netmask 128.0.0.0 reject

These are not "default" routes so they won't be replaced, and they are more specific than a default route so they take precedence. When you join local WiFi, that network is directly connected (and more specific) so local communication is still allowed.

This solution has worked flawlessly for me on many platforms over the years...
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