Re: [TLS] TLSrenego - current summary of semantics and possibilities

[Yair Elharrar <Yair.Elharrar at audiocodes.com>]

Steve Dispensa wrote:
>>
>>     Lacking application level re-connect provisions for forward-incompatible
>>     SSL/TLS servers, a TLS client might not want to sent the TLS extension
>>     in the initial ClientHello of a connection.
>
> This was discussed a bit at the Sept. 29 meeting. I had originally suggested
> that the extension need not be present during initial negotiations at all,
> but it was pointed out that network management systems might want to
> inventory patched clients and servers.

This could backfire. It would allow hackers to detect unpatched clients, and focus their attacks on them.


Yair
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