[Dovecot] SSL + compression?

[Johannes Berg]

> > Back to the original question - discount SSH - how do we get
> > compression + SSL out of openssl..
> 
> I don't think it's possible. OpenSSL says, in the NOTES section of
> SSL_COMP_add_compression_method(3):
> 
>         The TLS standard (or SSLv3) allows the integration of
>         compression methods into the communication. The TLS RFC does
>         however not specify compression methods or their corresponding
>         identifiers, so there is currently no compatible way to
>         integrate compression with unknown peers. It is therefore
>         currently not recommended to integrate compression into
>         applications. Applications for non-public use may agree on
>         certain compression methods. Using different compression methods
>         with the same identifier will lead to connection failure.

However, there is http://tools.ietf.org/html/draft-ietf-tls-compression,
but openssl doesn't support that (only zlib and rle)

johannes
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