LoA (Letter of Authorization) for Prefix Filter Modification?

Christian Koch christian at broknrobot.com
Tue Sep 16 09:33:42 CDT 2008

good point... :)

On Tue, Sep 16, 2008 at 10:24 AM, Jon Lewis <jlewis at lewis.org> wrote:
> On Tue, 16 Sep 2008, Christian Koch wrote:
>> I dont mind, i think it is another good step towards 'good filtering'
>> but...i think the PITA part is
>> downstream 'clueless' customers, who may need an explanation on prefix
>> hijacking and the state
>> of the internet today, and that these are all just combined efforts to
>> minimize the risk of accepting allocations
>> that don't belong to you.
> IMO, it's just an illusion of added security and is really just CYA for the
> provider.  When I fax TWTelecom an LOA that a customer faxed to me, how does
> TWTelecom verify the authenticity of that LOA?  I doubt they try. I suspect
> it's just filed, and will only be pulled out if the advertisement is
> challenged by some 3rd party.
> ----------------------------------------------------------------------
>  Jon Lewis                   |  I route
>  Senior Network Engineer     |  therefore you are
>  Atlantic Net                |
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