From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 2B4B88527A for ; Fri, 17 Dec 2021 13:58:47 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id D35102B424 for ; Fri, 17 Dec 2021 13:58:16 +0100 (CET) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id C9E7F2B3F1 for ; Fri, 17 Dec 2021 13:58:15 +0100 (CET) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id A41F245386 for ; Fri, 17 Dec 2021 13:58:15 +0100 (CET) From: =?UTF-8?q?Fabian=20Gr=C3=BCnbichler?= To: pve-devel@lists.proxmox.com Date: Fri, 17 Dec 2021 13:57:33 +0100 Message-Id: <20211217125733.548305-8-f.gruenbichler@proxmox.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211217125733.548305-1-f.gruenbichler@proxmox.com> References: <20211217125733.548305-1-f.gruenbichler@proxmox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.241 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pve-devel] [PATCH docs] pveproxy: document newly added options X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Dec 2021 12:58:47 -0000 Signed-off-by: Fabian Grünbichler --- pveproxy.adoc | 30 +++++++++++++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-) diff --git a/pveproxy.adoc b/pveproxy.adoc index 4696d66..8fc6195 100644 --- a/pveproxy.adoc +++ b/pveproxy.adoc @@ -117,9 +117,11 @@ effect. SSL Cipher Suite ---------------- -You can define the cipher list in `/etc/default/pveproxy`, for example +You can define the cipher list in `/etc/default/pveproxy` via the `CIPHERS` +(TLS <= 1.2) and `CIPHERSUITES` (TLS >= 1.3) keys. For example CIPHERS="ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256" + CIPHERSUITES="TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256" Above is the default. See the ciphers(1) man page from the openssl package for a list of all available options. @@ -131,6 +133,25 @@ both client and `pveproxy`): HONOR_CIPHER_ORDER=0 +Supported TLS versions +---------------------- + +The insecure SSL versions 2 and 3 are unconditionally disabled for pveproxy. +TLS versions below 1.1 are disabled by default on recent OpenSSL versions, +which is honored by `pveproxy` (see `/etc/ssl/openssl.cnf`). + +To disable TLS version 1.2 or 1.3, set the following in `/etc/default/pveproxy`: + + DISABLE_TLS_1_2=1 + +or, respectively: + + DISABLE_TLS_1_3=1 + +NOTE: Unless there is a specific reason to do so, it is not recommended to +manually adjust the supported TLS versions. + + Diffie-Hellman Parameters ------------------------- @@ -157,6 +178,13 @@ pveproxy uses `/etc/pve/local/pveproxy-ssl.pem` and `/etc/pve/local/pve-ssl.pem` and `/etc/pve/local/pve-ssl.key`. The private key may not use a passphrase. +It is possible to override the location of the certificate private key by +setting `TLS_KEY_FILE` in `/etc/default/pveproxy`, for example: + + TLS_KEY_FILE="/secrets/pveproxy.key" + +NOTE: The included ACME integration does not honor this setting. + See the Host System Administration chapter of the documentation for details. COMPRESSION -- 2.30.2