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BCP38 exceptions for RFC1918 space
- Subject: BCP38 exceptions for RFC1918 space
- From: fw at deneb.enyo.de (Florian Weimer)
- Date: Sun, 15 Aug 2010 19:15:11 +0200
- In-reply-to: <[email protected]> (Michael J. Wise's message of "Sun, 15 Aug 2010 09:47:35 -0700")
- References: <[email protected]> <[email protected]>
* Michael J. Wise:
> 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.
It's not. It's not even about my or my employer's network, that's why
I need to exercise extra caution before handing out advice. 8-)