Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lBjUb-0004yJ-60 for pgsql-hackers@arkaria.postgresql.org; Mon, 15 Feb 2021 19:25:09 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1lBjUa-00086u-1i for pgsql-hackers@arkaria.postgresql.org; Mon, 15 Feb 2021 19:25:08 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lBjUZ-00083h-PK for pgsql-hackers@lists.postgresql.org; Mon, 15 Feb 2021 19:25:07 +0000 Received: from wforward4-smtp.messagingengine.com ([64.147.123.34]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lBjUU-0000Ip-Ia for pgsql-hackers@postgresql.org; Mon, 15 Feb 2021 19:25:06 +0000 Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailforward.west.internal (Postfix) with ESMTP id 670D7EA1; Mon, 15 Feb 2021 14:25:00 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Mon, 15 Feb 2021 14:25:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm2; bh=N5OgqyKRSXcClhOmqZYEEgkdsjy3K7Dbbqjqo/3gt hk=; b=E9+Ik5BqImi44Q19dtvnOfkdyS3vo1ud33cnbEw7rdHCpa0N2i7EiLgcn IFVSZ6yRGDGfbS+aJ0A4b5QBEXL9vKQ5GTmg+xHdKIPkodlg0jfodpZtYtQ7QHxe YbShDBNBrncxBEgSxpe7sQpwF46U4iGsDGhSH8y3uYCRIk9Zm/45Aa7obKeeTDAU 9Nc8rdJ9zMZTjRoBUghe7PowzEvfyx7QBHTXFhRqPZ0nCGetGQ8XNI/m1cG9gvTn iTF3nWQgFQaz8TecOvxqGa5zQVsPbay+3oRJNdAd4HMozTfm/SMtxkqfiFOrFBxx ruQ+vUVSLZZa8IpJk4CUPxMEoKmJQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrieekgdduudelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefuvfhfhfhokffffgggjggtgfesth ejredttdefjeenucfhrhhomheprfgvthgvrhcugfhishgvnhhtrhgruhhtuceophgvthgv rhdrvghishgvnhhtrhgruhhtsegvnhhtvghrphhrihhsvggusgdrtghomheqnecuggftrf grthhtvghrnhepheehieejgfevhfdvheelkeeuvefhheehvdehtefghfetfeeggefgveej jeffgfdvnecukfhppeekjedrudejjedrieelrddugedtnecuvehluhhsthgvrhfuihiivg eptdenucfrrghrrghmpehmrghilhhfrhhomhepphgvthgvrhdrvghishgvnhhtrhgruhht segvnhhtvghrphhrihhsvggusgdrtghomh X-ME-Proxy: Received: from april.pezone.net (p57b1458c.dip0.t-ipconnect.de [87.177.69.140]) by mail.messagingengine.com (Postfix) with ESMTPA id 6E6A324005E; Mon, 15 Feb 2021 14:24:58 -0500 (EST) Subject: Re: SSL SNI To: Jesse Zhang References: <7289d5eb-62a5-a732-c3b9-438cee2cb709@enterprisedb.com> Cc: pgsql-hackers From: Peter Eisentraut Organization: EnterpriseDB Message-ID: <5bf09acd-fcd8-052a-ae68-a51d7e02c458@enterprisedb.com> Date: Mon, 15 Feb 2021 20:24:56 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 2021-02-15 18:40, Jesse Zhang wrote: > I imagine this also (finally) opens up the possibility for the server > to present a different certificate for each hostname based on SNI. > This eliminates the requirement for wildcard certs where the cluster > is running on a host with multiple (typically two to three) hostnames > and the clients check the hostname against SAN in the cert > (sslmode=verify-full). Am I right? Is that feature on anybody's > roadmap? This would be the client side of that. But I don't know of anyone planning to work on the server side.