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Why is UDP 443 interpreted as QUIC?


I captured traffic on my WLAN adapter while connected to my VPN, and all of the traffic which I know to be HTTP over SSL is being interpreted as QUIC.

I understand that Google has attempted to hijack UDP 443 for its new protocol, but most of us still hold to the IANA standard that UDP 443 is HTTPS, and Wireshark should interpret it that way as long as HTTPS is the far more common usage of that port.

asked 13 Jun '16, 11:25

Michael_Romans's gravatar image

accept rate: 0%

Can you share a capture in a publicly accessible spot, e.g. CloudShark?

(14 Jun '16, 01:19) Jaap ♦

Hi Jaap,

I'll get another capture when I get back to my hotel tonight. Every time I connect to my VPN at SharkFest the tunnel breaks.

(15 Jun '16, 11:38) Michael_Romans

One Answer:


The QUIC dissector registers for that port static guint g_quics_port = 443; and hogs the packets. You can turn the dissector off or do decode as.

answered 15 Jun '16, 13:45

Anders's gravatar image

Anders ♦
accept rate: 17%