FreeBSD Security Advisory FreeBSD-SA-05:21.openssl

David Coder dacoder at dcoder.net
Fri Oct 14 07:38:58 PDT 2005


Hi, Jacques,

The mod_ssl how-to explains how to run an SSLv2-only Apache server, but not
SSLv2, but assuming that the httpd.conf syntax is the same I thought I'd
substitute the two lines 

	SSLProtocol -all +SSLv3
	SSLCipherSuite SSLv3:+HIGH:+MEDIUM:+LOW:+EXP

for the line

SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL

in that file.  Any idea whether this is correct?

Thx.  Hope you're well!

David

On Thu, 13 Oct 2005, Jacques Vidrine wrote:

:Date: Thu, 13 Oct 2005 13:44:28 -0700
:From: Jacques Vidrine <jacques at vidrine.us>
:To: Peter Jeremy <PeterJeremy at optushome.com.au>
:Cc: freebsd-security at freebsd.org
:Subject: Re: FreeBSD Security Advisory FreeBSD-SA-05:21.openssl
:
:
:On 2005-10-12, at 12:10 :19, Peter Jeremy wrote:
:
:> On Tue, 2005-Oct-11 09:45:53 -0700, Jacques Vidrine wrote:
:> > On Oct 11, 2005, at 7:25 AM, Ian G wrote:
:> > > Isn't the workaround obviously to switch off V2?
:> > 
:> > Yes.  Sorry that wasn't mentioned.
:> 
:> That sounds like a good workaround.  How do I implement it?  I've
:> looked through the documentation and can't find any reference to a
:> runtime OpenSSL configuration file that would let me do this.
:
:I'm not aware of a global option for OpenSSL, either.  Disabling SSLv2 would
:need to be handled by the application, i.e. turn off SSLv2 for each of your
:SSL/TLS applications.  Cheers,
:-- 
:Jacques Vidrine <jacques at vidrine.us>
:
:
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