Re: How to: Check SSL version Numbers remotely

[John Lampe <jwlampe () tenablesecurity com>]

offset wrote:

> Is there a list of all the possible SSL cipher checks somewhere?
>
> I noticed that the openssl 'ciphers' manpage has a long list and also shows which
> ciphers are not implemented by openssl, so I'm curious about the differences between
> openssl and gnutls in terms of cipher support, or if they overlap, or if there are
> ssl libs that support ciphers that openssl does not.
>
> I noticed that my linux distro doesnt include the patented ciphers (IDEA, MDC2, RC5, EC), so I
> had to "unhobble" my version of openssl to get more extensive checking.
>
> The THCSSLCheck does not check for the NULL cipher, not sure how comprehensive Foundstone's
> SSLDigger is.
>
> In openssl, you can view the ciphers that your version supports via this command
>
> openssl ciphers -v 'ALL:eNull'
>
> -off
>
>  

The Nessus developers here at Tenable have been updating the Nessus 
cipher check.  See 
http://www.nessus.org/plugins/index.php?view=viewsrc&id=21643 .  Of 
course, I'd recommend running all the Nessus SSL plugins, as a strong 
cipher on an insecure implementation can be problematic ;-)

John

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