BCP38 exceptions for RFC1918 space

Michael J Wise mjwise at kapu.net
Sun Aug 15 16:47:35 UTC 2010

On Aug 15, 2010, at 9:14 AM, Florian Weimer wrote:

> What's the current consensus on exempting private network space from
> source address validation?

BCP38-land MUST *never* see RFC1918-space traffic. Ever.
Unless you're using a border router as a NAT device, of course....

The only way your question makes sense is if someone who should know better is intending to announce some chunk of RFC1918-space via BGP.

Please tell us that is not your intent.

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