Wireshark · Wireshark-dev: Re: [Wireshark-dev] TDS : TLS Exchange

[Graham Bloice <graham.bloice@xxxxxxxxxxxxx>]

Yep, that's what's happening, see here:  https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-tds/60f56408-0188-4cd5-8b90-25c6f2423868, somewhat similar to the STARTTLS behaviour in SMTP for example.

There's currently no code in the TDS dissector to hand-off to the TLS dissector.

On Fri, 14 Aug 2020 at 14:50, nalini.elkins@xxxxxxxxxxxxxxxxxx <nalini.elkins@xxxxxxxxxxxxxxxxxx> wrote:

Hello List,

I have a trace from a Microsoft SQL server using TDS.

Tabular Data Stream

Tabular Data Stream During the early development of Sybase SQL Server, the developers at Sybase perceived the lack of a commonly acc...

It looks like the first part of it is the TLS exchange.   I am attaching trace.   Any thoughts on a potential breakout of this?

If I decode as TLS, then the application data packets appear to decode fine but not the TLS handshake.

Thoughts?

Nalini Elkins

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Graham Bloice

Software Developer

Trihedral UK Limited