Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1tLp0P-00HGnk-Fe for pgsql-advocacy@arkaria.postgresql.org; Thu, 12 Dec 2024 19:37:49 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1tLp0M-00E4SQ-PR for pgsql-advocacy@arkaria.postgresql.org; Thu, 12 Dec 2024 19:37:47 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1tLp0L-00E4SD-DF for pgsql-advocacy@lists.postgresql.org; Thu, 12 Dec 2024 19:37:47 +0000 Received: from fout-b4-smtp.messagingengine.com ([202.12.124.147]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1tLp0J-002Upk-Ln for pgsql-advocacy@lists.postgresql.org; Thu, 12 Dec 2024 19:37:45 +0000 Received: from phl-compute-07.internal (phl-compute-07.phl.internal [10.202.2.47]) by mailfout.stl.internal (Postfix) with ESMTP id 2E1B6114013C; Thu, 12 Dec 2024 14:37:42 -0500 (EST) Received: from phl-mailfrontend-02 ([10.202.2.163]) by phl-compute-07.internal (MEProxy); Thu, 12 Dec 2024 14:37:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aklaver.com; h= cc:content-transfer-encoding:content-type:content-type:date:date :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm3; t=1734032262; x=1734118662; bh=ivdKlAbse8+fVdhh6RzzzHdEYvcoEOE1+FKrl17qPLQ=; b= h8fQfLvWXbw0rvw+aqdDBc58Po2LQnHt78EUDqSuf016XDFhbDpWTWwfgLGmu0NW jCWOAeUmJVIA5gTKQH4XfzU6KOBkoBN2iPzuBwjDLBOKEZ0humcQy1XMZC/0loHQ hctKaOtTfOYvJcFVmQ9dWP0quYHt8HD/n7Ka9ITYCkeVpbD3lHyU9XcCyPfl73zH /kpEy+Tr3D9eHAiYSnhQoSVmp9rXqIHVcmptYzFgiDvyaaWuCvGL+soL/JVy/YFL GviXPpL6pkIKyVg+uWkRgJyv9RUFQAV19zPHcCuGidSWMMDiIkvfS9GAEb0YxVA8 x7zTQ3NKgUSExfzfPAQBrg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm1; t=1734032262; x=1734118662; bh=i vdKlAbse8+fVdhh6RzzzHdEYvcoEOE1+FKrl17qPLQ=; b=I+COJsVQC+/qy3zBC kAqCOfnfdomnjryGr7jHRRuQpcfEq3f9u4gu7VNE3la7o+AedZ0MvHhr8VPShVal P4nwoqKatS4t4bQ3JSHp3yVYspGDD1x3JSsy1op8G1fZfjsj7lHkCCDU8imieZeU XJDrhEqN5WdXYit4A9CE2brvruNpZGLIZHH+moa/mdL9KJN01aO784DecSLW5S+P hcMrqJ08GW3xHCUPg2qVWuS7pX80aILux+yZ3pi+RkpHIKjhb52ht1hhuoZYadeF SgS0Xi+b1OvjrDhkvmd2WO+GvHl+1EtMPX27ruFyUqcw7i/MCHjtefk4KevckFNH mHbkg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefuddrkeehgdduvdeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgfnhhsuhgsshgtrhhisggvpdfu rfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnh htshculddquddttddmnecujfgurhepkfffgggfuffvfhfhjggtgfesthejredttddvjeen ucfhrhhomheptegurhhirghnucfmlhgrvhgvrhcuoegrughrihgrnhdrkhhlrghvvghrse grkhhlrghvvghrrdgtohhmqeenucggtffrrghtthgvrhhnpeekfeehuddvjeeigfeifeej tdduudffledvfeelheeftdeiffeugfdvkeelgedtvdenucffohhmrghinhepphhoshhtgh hrvghsqhhlrdhorhhgnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghi lhhfrhhomheprggurhhirghnrdhklhgrvhgvrhesrghklhgrvhgvrhdrtghomhdpnhgspg hrtghpthhtohepvddpmhhouggvpehsmhhtphhouhhtpdhrtghpthhtohepmhgrrhhkuhhs sehhvggruggtrhgrshhhihhnghdrvghupdhrtghpthhtohepphhgshhqlhdqrgguvhhotg grtgihsehlihhsthhsrdhpohhsthhgrhgvshhqlhdrohhrgh X-ME-Proxy: Feedback-ID: i76984098:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 12 Dec 2024 14:37:40 -0500 (EST) Message-ID: Date: Thu, 12 Dec 2024 11:37:40 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: pgadmin says "SSL error: tlsv1 alert no application protocol" To: Markus KARG , pgsql-advocacy@lists.postgresql.org References: <44f71a8f-c6b4-4218-bb77-3e0a3a60c44d@headcrashing.eu> Content-Language: en-US From: Adrian Klaver In-Reply-To: <44f71a8f-c6b4-4218-bb77-3e0a3a60c44d@headcrashing.eu> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 12/12/24 11:08, Markus KARG wrote: > I was using PGAdmin with PostgreSQL 17 via Traefik 3 successfully since > many months, but since I recently moved on to PostgresSQL 17 the UI of > PGAdmin always tells me "SSL error: tlsv1 alert no application > protocol". All other applications connect successfully. > > I do not want to use TLSv1, and neither PostgreSQL 17 nor Traefik 3 is > explicitly configured to use TLS v1. In PGAdmin I explicitly have set > the min and max SSL versions to 1.3. > > So I do wonder who in this game is using TLSv1 and how to get rid of it? This is the wrong list for this sort of question. Ask it over here: https://www.postgresql.org/list/pgsql-general/ > > Thanks! > > -Markus > > > -- Adrian Klaver adrian.klaver@aklaver.com