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by mindslight
1647 days ago
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That's weird! I don't know much about PPPoE but I wonder if it would be possible to mess with the framing so that the specific DPI/modification wouldn't work. Like add some nonstandard options to the header, and hope the ONT used fixed offsets for getting addresses. Given that ONTs probably aren't subject to too much hardware security research, maybe it would be possible to hook up a debugger and NOP out the connection tracking hooks. |
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