From eugen@leitl.org Fri Sep 13 08:53:56 2013 From: Eugen Leitl To: cypherpunks@lists.cpunks.org Subject: Re: [Freedombox-discuss] CAs and cipher suites for cautious servers like FreedomBox Date: Fri, 13 Sep 2013 14:53:53 +0200 Message-ID: <20130913125353.GL10405@leitl.org> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0552627276099379493==" --===============0552627276099379493== Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable ----- Forwarded message from Keith ----- Date: Fri, 13 Sep 2013 13:41:22 +0100 From: Keith To: Eugen Leitl Cc: freedombox-discuss(a)lists.alioth.debian.org Subject: Re: [Freedombox-discuss] CAs and cipher suites for cautious servers = like FreedomBox X-Mailer: Evolution 3.4.4-3 PFS with snakeoil works. Trying it out here https://snakeoil.cf Using Apache 2.4 on a server running Jessie, it looks reasonable using just the default ciphers of SSLCipherSuite HIGH:MEDIUM:!aNULL:!MD5. Open to tweaking SSLCipherSuite. Now trying pfs for Postfix, will this email actually use it? On Fri, 2013-09-13 at 08:01 +0200, Eugen Leitl wrote: > On Thu, Sep 12, 2013 at 04:44:31PM +0100, Keith wrote: > > With a CA on each freedombox there need not be a requirement for a > > server. > >=20 > > If my understanding of Tor is right, it is designed for anonymity, not > > encryption, should not need a CA for this. >=20 > Can you get PFS with snakeoil (I presume these are generated during > the installation, is there at all enough entropy at that time so > this is safe?) certs? >=20 > Postfix and dovecot in newer versions can do PFS: > http://www.heinlein-support.de/blog/security/perfect-forward-secrecy-pfs-fu= r-postfix-und-dovecot/ > _______________________________________________ > Freedombox-discuss mailing list > Freedombox-discuss(a)lists.alioth.debian.org > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/freedombox-discuss ----- End forwarded message ----- --=20 Eugen* Leitl leitl http://leitl.org ______________________________________________________________ ICBM: 48.07100, 11.36820 http://ativel.com http://postbiota.org AC894EC5: 38A5 5F46 A4FF 59B8 336B 47EE F46E 3489 AC89 4EC5 --===============0552627276099379493==--