Re: [pyOpenSSL] Re: [pyOpenSSL] How to detect if a port has SSL running?

[Dave A. <da...@im...>]

Have you tried timoutsocket.py? I quite like it and it works on Windows.

-dave



On Wed, 15 Jan 2003 13:31:59 +0000
"mjabbur" <mj...@te...> wrote:

> My major problem is the timeout. If the server does not have SSL it
> will block forever. I've thought to use the alarm function but this
> script will also run on Windows which does not have support for alarm.
> Anyway I'll try the OpenSSL list.
> 
> Thanks,
> Marlon
> 
> ---------- Cabeçalho inicial  -----------
> 
> De: pyo...@li...
> Para: pyo...@li...
> Cópia: 
> Data: 15 Jan 2003 11:27:27 +0100
> Assunto: Re: [pyOpenSSL] How to detect if a port has SSL running?
> 
> > tis 2003-01-14 klockan 14.14 skrev Marlon Jabbur:
> > > Hi list,
> > > I've been using pyOpenSSL for a while and I have a problem that I
> could 
> > > not solve and maybe someone can help me. 
> > > My problem is how do I detect if a arbitrary port is running or
> not SSL?
> > > When I establish a connection with a non-ssl server and I try to
> > > send some data it hangs forever, I'm  guessing that the problem is
> > > that
> the 
> > > SSL handshake never completes, but how can I catch this error in a
> > > script?
> > 
> > I think it depends on the SSL version, and I think it is better to
> > ask this question on the openssl-users mailing list.
> > 
> > I'm not sure you would *want* to be able to detect it (other than
> > timing out) since it invites solutions on the form "Try SSL and if
> > that fails, revert to non-encrypted communication" which in turn
> > invites downgrade attacks from a malicious party. I think. :)
> > 
> > 
> > /Martin
> > 
> > 
> 
> 
> 
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