IPv6 QUIC traffic

Yannis Nikolopoulos dez at otenet.gr
Thu Jun 4 17:00:16 CEST 2015


On 06/04/2015 01:08 PM, michalis.bersimis at hq.cyta.gr wrote:
> Hello,
>
>>From our side we have seen lots of IPv4 traffic from sources originated from AS15169 (UDP port 443) .We are using netflow to identify the traffic.

You're right,

We can also see the relevant IPv4/IPv6 traffic via Netflow, as it enters 
our network, It's just weird that we don't see logs for the denied 
matched IPv4 packets further down the network, as we do for IPv6...


> Michalis
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 04 Jun 2015 10:30:11 +0300
> From: Yannis Nikolopoulos <dez at otenet.gr>
> Subject: IPv6 QUIC traffic
> To: ipv6-ops at lists.cluenet.de
> Message-ID: <556FFE83.1010907 at otenet.gr>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> Hello all,
>
> we've been seeing IPv6 UDP traffic on port 443 coming from Google servers being dropped on our ACLs. We realise that this is probably just
> (QUIC-enabled) chrome browsers accessing google content.
>
> Isn't it strange that no such IPv4 traffic exists?
>
> cheers,
> Yannis
>
>
>
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