From owner-freebsd-security@freebsd.org Mon Aug 16 15:49:23 2021 Return-Path: Delivered-To: freebsd-security@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 86E4A676D16 for ; Mon, 16 Aug 2021 15:49:23 +0000 (UTC) (envelope-from rfg@tristatelogic.com) Received: from outgoing.tristatelogic.com (segfault.tristatelogic.com [69.62.255.118]) by mx1.freebsd.org (Postfix) with ESMTP id 4GpJW63YxZz4jVj for ; Mon, 16 Aug 2021 15:49:22 +0000 (UTC) (envelope-from rfg@tristatelogic.com) Received: by segfault.tristatelogic.com (Postfix, from userid 1237) id 56C8E4E668; Mon, 16 Aug 2021 08:49:15 -0700 (PDT) From: "Ronald F. Guilmette" To: freebsd-security@freebsd.org Subject: TCP Reflection Attacks MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <62831.1629128954.1@segfault.tristatelogic.com> Date: Mon, 16 Aug 2021 08:49:15 -0700 Message-ID: <62832.1629128955@segfault.tristatelogic.com> X-Rspamd-Queue-Id: 4GpJW63YxZz4jVj X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of rfg@tristatelogic.com designates 69.62.255.118 as permitted sender) smtp.mailfrom=rfg@tristatelogic.com X-Spamd-Result: default: False [0.29 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.99)[-0.994]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[tristatelogic.com]; RCPT_COUNT_ONE(0.00)[1]; MID_RHS_MATCH_FROMTLD(0.00)[]; NEURAL_SPAM_SHORT(1.00)[1.000]; NEURAL_SPAM_LONG(0.59)[0.587]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:14051, ipnet:69.62.128.0/17, country:US]; MAILMAN_DEST(0.00)[freebsd-security] X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Aug 2021 15:49:23 -0000 Am I the only one who finds this terrifying? https://twitter.com/DistributedDave/status/1426216380077117441 From owner-freebsd-security@freebsd.org Mon Aug 16 15:56:52 2021 Return-Path: Delivered-To: freebsd-security@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id EEF79677D33 for ; Mon, 16 Aug 2021 15:56:52 +0000 (UTC) (envelope-from kitchetech@gmail.com) Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4GpJgm1LQmz4k8H for ; Mon, 16 Aug 2021 15:56:52 +0000 (UTC) (envelope-from kitchetech@gmail.com) Received: by mail-pj1-x102b.google.com with SMTP id u21-20020a17090a8915b02901782c36f543so33150640pjn.4 for ; Mon, 16 Aug 2021 08:56:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3tyz61oploQYfrZZwk5+SV9pUrCr1aJ/pjtEO2uNcIg=; b=kT/weT0ETpuuvAhhif6mzHZNH+5RshJkElMgqby4/KES8HZ2R0JuwNeJELl15wpDyu kEY7DYSeOhiBqUmrQx2QjfrztJVZHIM18T4EYIf2tVS52F6D0WBzFUaWo7wIeZ+JcxWt qTTsMGtPofPsB9e3LBxmXyfTGw7bXx4uOcG3EyVpfwHzyLnZyNNkAF4RK6mUWLk0Y9fr brhBYKAB1obNgfod1d4lCDZk2CKYQ/GV2/0WY9vTJdBLKrT321oIK3NV3cySdR53JqJh LzzkRwEc2E77JskbcwDhvZhlRjuHDkWevJ4uNdD9oOWcx6DoOeAUe7iDwrNLAU4oDq7S 2wew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3tyz61oploQYfrZZwk5+SV9pUrCr1aJ/pjtEO2uNcIg=; b=EBQUOO7QriEuIYY0YVDGqnfX+0pQV7az3kLxhwUK/BIWD5g70cigbXiA/xi3NeqtAB GvgGFR9JVxYMPM2pjm+o96LBn4MPKX4ZramTPI7iHcFxmGmkBeu1FHH49sGeXNK1y+Ch L2ngGr2a8bgKyq5FIEsZumkwL+FKW7r9mvMogNrIvMlDUNoEmWVC2ElGnC/R1sNnGTAm DoH2hQIeTVbbNjktKvNUgGdalqEc7NF/yEyN0MUKEthQYh1jLnbrMzLUlfUuQkGEn+xO vGfw8jw28tG4jtP5NfeofQ/5mRaYy/XYjuPBTIVieKV/CFeMSMJfzJmjzAf7f+LKXcF0 2oGg== X-Gm-Message-State: AOAM530o22QmAELzUDj9a8s30EQ9l0PjthxGKVwblEVBxiuISEF8UjUy GS5uma5JvgPVjBHgIYpn8ciLhZGAa+DFPSgghykZyNv6Nks= X-Google-Smtp-Source: ABdhPJxW0xPG59SeMcJcKur4E7E/ZFqN1Ma7xZIgMjf9geAvn/O2iqmGoq8kV45r5h+YV6Z3IaNeDkNw6csXJnpCrEU= X-Received: by 2002:a65:4008:: with SMTP id f8mr16335818pgp.310.1629129411297; Mon, 16 Aug 2021 08:56:51 -0700 (PDT) MIME-Version: 1.0 References: <62832.1629128955@segfault.tristatelogic.com> In-Reply-To: <62832.1629128955@segfault.tristatelogic.com> From: Matthew Donovan Date: Mon, 16 Aug 2021 10:56:40 -0500 Message-ID: Subject: Re: TCP Reflection Attacks To: "Ronald F. Guilmette" Cc: freebsd-security@freebsd.org X-Rspamd-Queue-Id: 4GpJgm1LQmz4k8H X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b="kT/weT0E"; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of kitchetech@gmail.com designates 2607:f8b0:4864:20::102b as permitted sender) smtp.mailfrom=kitchetech@gmail.com X-Spamd-Result: default: False [-2.00 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-security@freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_SPAM_SHORT(1.00)[1.000]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::102b:from]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-security]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Aug 2021 15:56:53 -0000 This is old news lol. I been seeing these for years. On Mon, Aug 16, 2021 at 10:49 AM Ronald F. Guilmette wrote: > Am I the only one who finds this terrifying? > > https://twitter.com/DistributedDave/status/1426216380077117441 > > _______________________________________________ > freebsd-security@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-security > To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.org > " > -- Technological progress is like an ax in the hands of a pathological criminal. - *Albert EinsteinBreadth of Unix experience and depth of knowledge in the world of servers.*