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Subject: Re: [quicwg/base-drafts] ICMP and ICMPv6 (Type:
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In the case where you have an authenticated client, you are not necessarily vulnerable to vneg attacks because the client auth could be version specific. You could replace the version identifier with a nonce signed by the client and possibly some additional context to help identify the clients public key and identity - this is the tricky part.

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<p>In the case where you have an authenticated client, you are not necess=
arily vulnerable to vneg attacks because the client auth could be version=
 specific. You could replace the version identifier with a nonce signed b=
y the client and possibly some additional context to help identify the cl=
ients public key and identity - this is the tricky part.</p>

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