On Sun, Dec 30, 2012, Jeffrey Walton wrote:

> On Sun, Dec 30, 2012 at 11:06 AM, Dr. Stephen Henson <st...@openssl.org> 
> wrote:
> > On Sat, Dec 29, 2012, Dr. Stephen Henson wrote:
> >
> >> On Fri, Dec 28, 2012, Jeffrey Walton wrote:
> >>
> >> > On Fri, Dec 28, 2012 at 3:23 PM, Michael Mueller <abaci....@gmail.com> 
> >> > wrote:
> >> > > i was going to do this:
> >> > >
> >> > > SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_COMPRESSION);
> >> > Yeah, it looks like that's the option. I would prefer to remove the
> >> > code paths all together though.
> >> >
> >> > If the code path does not exist, it cannot be executed.
> >> >
> >>
> >> Unless OpenSSL has been build with the zlib or zlib-dynamic option it wont 
> >> use
> >> zlib. Since that's the only compression method standardised for SSL/TLS it
> >> effectively disables compression for SSL/TLS as a side effect as there are 
> >> no
> >> compression methods available.
> >>
> >
> > Ugh, that'll teach me not to do a "make clean" first. Correction:
> >
> > If you use "no-comp" it will remove the compression library from OpenSSL
> > entirely but due to a bug (fix just committed) you'll get a linker error.
> Thanks Doctor.
> 
> Does OpenSSL have a web front-end on its version control system so I
> can copy/paste the relevant changes for the commit? I'm trying avoid
> moving too far away from 1.0.1c proper (May 10, 2012) since it
> advertised on the download page (http://www.openssl.org/source/).
> 

Yes you can use the CVS web interface. For this fix the URL is:

http://cvs.openssl.org/chngview?cn=23221

The actual patch can be downloaded from:

http://cvs.openssl.org/patchset?cn=23221

This should just work with "patch -p1".

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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