Request for comment -- BCP38

Paul Ferguson fergdawgster at
Mon Sep 26 14:11:42 UTC 2016

No -- BCP38 only prescribes filtering outbound to ensure that no packets leave your network with IP source addresses which are not from within your legitimate allocation.

 - ferg 

On September 26, 2016 7:05:49 AM PDT, Stephen Satchell <list at> wrote:
>Is this an accurate thumbnail summary of BCP38 (ignoring for the moment
>the issues of multi-home), or is there something I missed?
>>     The basic philosophy of BCP38 boils down to two axioms:
>>         Don't let the "bad stuff" into your router
>>         Don't let the "bad stuff" leave your router
>>     The original definition of "bad stuff" is limited to source-
>>     address grooming both inbound and outbound.  I've expanded on the
>>     original definition by including rule generation to control
>>     broadcast address abuse.

Sent from my Android device with K-9 Mail. Please excuse my brevity.

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