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Re: [Idr] draft-walton-bgp-hostname-capability-00

Randy Bush <randy@psg.com> Sun, 17 May 2015 09:25 UTC

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From: Randy Bush <randy@psg.com>
To: Thomas Mangin <thomas.mangin@exa-networks.co.uk>
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Subject: Re: [Idr] draft-walton-bgp-hostname-capability-00
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>> and we're all waiting for the attack where the sender puts tasty
>> things in the supposed dns name
> If the worry is about the complexity of handling UTF-8, the draft
> could be change to require ascii 'a' through 'z' (in a
> case-insensitive manner), the digits '0' through '9', and the hyphen
> ('-') to be put in the draft as it is what DNS allows.

bzzzzt!  dns is eight bit clear.  you are thinking of some restrictions
on hostnames, the leftmost chunk of the lhs at most.

randy

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