Date: Mon, 17 Mar 2014 09:33:35 +0100 From: Gert Doering Message-ID: <20140317083335.GB16637@...1296...> References: <1395017376-24554-1-git-send-email-james@...515...> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="q2KDfiZqTI2kUwWN" Content-Disposition: inline In-Reply-To: <1395017376-24554-1-git-send-email-james@...515...> Subject: Re: [Openvpn-devel] [PATCH] Set SSL_OP_NO_TICKET flag in SSL context for OpenSSL builds, to disable TLS stateless session resumption. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: James Yonan Cc: openvpn-devel@lists.sourceforge.net --q2KDfiZqTI2kUwWN Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi, On Sun, Mar 16, 2014 at 06:49:36PM -0600, James Yonan wrote: > OpenVPN doesn't want or need SSL session renegotiation or > resumption, as it handles renegotiation on its own. >=20 > For this reason, OpenVPN always disables the SSL session cache: >=20 > SSL_CTX_set_session_cache_mode (ctx, SSL_SESS_CACHE_OFF) >=20 > However, even with the above code, stateless session resumption > is still possible unless explicitly disabled with the > SSL_OP_NO_TICKET flag. This patch does this. I assume this should go into all OpenVPN branches, that is, master, 2.3, and if we ever do another 2.2, into that one as well? (not ACKing or NAKing the patch itself, this is not my field of expertise) gert --=20 USENET is *not* the non-clickable part of WWW! //www.muc.de/~ge= rt/ Gert Doering - Munich, Germany gert@...1296... fax: +49-89-35655025 gert@...1297... --q2KDfiZqTI2kUwWN Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (NetBSD) iQCVAwUBUyazX6kuBuNlUUl1AQJSxQP9GLfowTl16HeDm6HgzRf7GkjpqOiu4Bg2 OnmT8/qg3QYigC1zZqxmTiioYAjkjiYMEEHtik3QC7JfB/Ni6vapp78ZT6ps4gVn KFPgBI7PCjZpVrYgiAoftjGC3wMi4aiua3ZnF78hvVEbrQTTuXbP/zEhJfLBAq70 q7Lg92NL5IQ= =XUDs -----END PGP SIGNATURE----- --q2KDfiZqTI2kUwWN--