Christian Huitema wrote:
>
> The basic QUIC handshake will be 1-RTT before sending the first query,
> with two exceptions:
Thanks for those details!
> Using 0-RTT is a trade-off between security and performance, because
> 0-RTT packets can be subject to replay attacks. That's true for 0-RTT in
On 9/25/2018 2:30 PM, Mukund Sivaraman wrote:
> Hi Christian
>
> On Tue, Sep 25, 2018 at 01:40:59PM -0700, Christian Huitema wrote:
>> On 9/25/2018 12:15 PM, Tony Finch wrote:
>>
>>> For DNS-over-QUIC I think that could drop to 2RTT, or maybe 1RTT? I don't
>>> know QUIC's handshake.
>>>
>>> The
Christian Huitema wrote:
>
> An attacker could replay the 0-RTT packet, and observe whether it
> creates a particular side effect at the server end. For example, replay
> the traffic from client to recursive, and observe whether the resolver
> issues a query to particular DNS server.
Ah, yes, if
On 9/26/2018 4:15 AM, Tony Finch wrote:
> Christian Huitema wrote:
>> The basic QUIC handshake will be 1-RTT before sending the first query,
>> with two exceptions:
> Thanks for those details!
>
>> Using 0-RTT is a trade-off between security and performance, because
>> 0-RTT packets can be