From issues-return-175936-archive-asf-public=cust-asf.ponee.io@flink.apache.org Mon Jul 9 10:40:04 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id 4CBF518062A for ; Mon, 9 Jul 2018 10:40:04 +0200 (CEST) Received: (qmail 89995 invoked by uid 500); 9 Jul 2018 08:40:03 -0000 Mailing-List: contact issues-help@flink.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@flink.apache.org Delivered-To: mailing list issues@flink.apache.org Received: (qmail 89986 invoked by uid 99); 9 Jul 2018 08:40:03 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 09 Jul 2018 08:40:03 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 081181A126C for ; Mon, 9 Jul 2018 08:40:03 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -109.801 X-Spam-Level: X-Spam-Status: No, score=-109.801 tagged_above=-999 required=6.31 tests=[ENV_AND_HDR_SPF_MATCH=-0.5, KAM_NUMSUBJECT=0.5, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, USER_IN_DEF_SPF_WL=-7.5, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id JHkylZhFt0FU for ; Mon, 9 Jul 2018 08:40:02 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id B05BC5F3B1 for ; Mon, 9 Jul 2018 08:40:01 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id E957CE12F8 for ; Mon, 9 Jul 2018 08:40:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 7C6E12439D for ; Mon, 9 Jul 2018 08:40:00 +0000 (UTC) Date: Mon, 9 Jul 2018 08:40:00 +0000 (UTC) From: "Viktor Vlasov (JIRA)" To: issues@flink.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (FLINK-9643) Flink allowing TLS 1.1 in spite of configuring TLS 1.2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/FLINK-9643?page=3Dcom.atlassia= n.jira.plugin.system.issuetabpanels:all-tabpanel ] Viktor Vlasov updated FLINK-9643: --------------------------------- Attachment: test.png > Flink allowing TLS 1.1 in spite of configuring TLS 1.2 > ------------------------------------------------------ > > Key: FLINK-9643 > URL: https://issues.apache.org/jira/browse/FLINK-9643 > Project: Flink > Issue Type: Bug > Components: Security > Affects Versions: 1.3.2 > Reporter: Vinay > Assignee: Viktor Vlasov > Priority: Major > Attachments: result.csv, result_2.csv, test.png > > > I have deployed Flink 1.3.2 and enabled SSL settings. From the ssl debug= =C2=A0 > logs it shows that Flink is using TLSv1.2. However based on the security= =C2=A0 > scans we have observed that it also allows TLSv1.0 and TLSv1.1.=C2=A0 > =C2=A0=C2=A0 > In order to strictly use TLSv1.2 we have updated the following property o= f=C2=A0 > java.security file:=C2=A0 > jdk.tls.disabledAlgorithms=3DMD5, SSLv3, DSA, RSA keySize < 2048, TLSv1,= =C2=A0 > TLSv1.1=C2=A0 > But still it allows TLSv1.1 , verified this by hitting the following comm= and=C2=A0 > from master node:=C2=A0 > openssl s_client -connect taskmanager1: -tls1=C2= =A0 > (here listening_address_port is part of=C2=A0 > akka.ssl.tcp://flink@taskmanager1:port/user/taskmanager)=C2=A0 > Now, when I hit the above command for the data port, it does not allow=C2= =A0 > TLSv1.1 and only allows TLSv1.2=C2=A0 -- This message was sent by Atlassian JIRA (v7.6.3#76005)