From owner-freebsd-ipfw@freebsd.org Wed Aug 7 01:43:07 2019 Return-Path: Delivered-To: freebsd-ipfw@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 E3395BA4CF for ; Wed, 7 Aug 2019 01:43:07 +0000 (UTC) (envelope-from kudzu@tenebras.com) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 463DmC51v0z43Ym for ; Wed, 7 Aug 2019 01:43:07 +0000 (UTC) (envelope-from kudzu@tenebras.com) Received: by mailman.nyi.freebsd.org (Postfix) id AC66CBA4CC; Wed, 7 Aug 2019 01:43:07 +0000 (UTC) Delivered-To: ipfw@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 AC2B4BA4CB for ; Wed, 7 Aug 2019 01:43:07 +0000 (UTC) (envelope-from kudzu@tenebras.com) Received: from mail-qt1-x831.google.com (mail-qt1-x831.google.com [IPv6:2607:f8b0:4864:20::831]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) 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 463DmB6C2tz43Yk for ; Wed, 7 Aug 2019 01:43:06 +0000 (UTC) (envelope-from kudzu@tenebras.com) Received: by mail-qt1-x831.google.com with SMTP id a15so86694950qtn.7 for ; Tue, 06 Aug 2019 18:43:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tenebras-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=+3sbR/ImVesEevaXJZUzrYkdp1sM7qbde8wT+c9Opd8=; b=tRimH6jNiXXde0/RQfbupn2lQcuawxEH94MGFEwFNhPo3SRCMOXppb4/Sx0IjKHbcu P1dcVXMo1r0oSAUDpHxIf2aIokR0UyO20UnVrYuUqwTPoMHjZUm1eHd0/prJ7Z1Ut/Px u/lLUtNIrvKKa/YalCmzGvKnGeHyg1+D/B/jbKZXq3/E06X++5NK6skagyVWNgAbx9dd +U0KkaB4DeF8Fjkw7E+03aEiE2BgFEnGUReDDNwUN8+XRz+pke3bTlZqHSYhlVFOYj4x yyHwa3eYPggFv1GyyLHOwtpOqVVVJgVVZ+26NIC7ZYmp+lyhXxbRxA4plfy/yTGHDHSx s3MA== 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=+3sbR/ImVesEevaXJZUzrYkdp1sM7qbde8wT+c9Opd8=; b=F/MeMW0ncPNUDbQ+63RB716oN1o4F+7VNDylGbk8SrNCM9eOE08zs2fzrxhnxdhJAM a4lkxYSjo4pSvx13rFfrIaQNeRbc5dA5VgzkxFmzLHxTMypo0fHbAZHEiE1q90EUtHKr cirw2cBKkHnn9yJvMH9u1YyTLqKQbE2w2S84BLfX5bj24v46ZMSjpGdoI7lu3b/kRel7 s1/zYhPfVAzHI54OW3p+7uLv8mg+sFxul0qwzwrKcE4ZsF9J+GmZwOYi7RuPCLxS8e9F HzeGArrGnD/077EuhaiKzqBMH5sIVvVoDBvCgXCmNG8V0O2i9ApQaLPTzD1RrKOc/F++ 1B9w== X-Gm-Message-State: APjAAAXZihVbFARm1pUUBhr1xWKmbX3vZMTwZ0aiH8pXLU+e1uRo/6t3 zs6k4t3I7LWx6lhrraZ5XX/odUkPisabcSvYFAeNH/CXYS4wjQ== X-Google-Smtp-Source: APXvYqyub+3twes2xJzsMgqlyK/WLjbMI+r9V/mLVidAvsRsnaM6tnydCVdgeBsVArRz2pz7Pc7GVMZXKvxQh0WeE8o= X-Received: by 2002:a0c:b159:: with SMTP id r25mr5674156qvc.219.1565142185597; Tue, 06 Aug 2019 18:43:05 -0700 (PDT) MIME-Version: 1.0 References: <20190806175506.7757e863@dismail.de> <201908070122.x771MUD9085112@gndrsh.dnsmgr.net> In-Reply-To: <201908070122.x771MUD9085112@gndrsh.dnsmgr.net> From: Michael Sierchio Date: Tue, 6 Aug 2019 18:42:29 -0700 Message-ID: Subject: Re: amazonaws To: "Rodney W. Grimes" Cc: starikarp@dismail.de, "ipfw@FreeBSD.org" X-Rspamd-Queue-Id: 463DmB6C2tz43Yk X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=tenebras-com.20150623.gappssmtp.com header.s=20150623 header.b=tRimH6jN; dmarc=none; spf=none (mx1.freebsd.org: domain of kudzu@tenebras.com has no SPF policy when checking 2607:f8b0:4864:20::831) smtp.mailfrom=kudzu@tenebras.com X-Spamd-Result: default: False [-5.28 / 15.00]; ARC_NA(0.00)[]; TO_DN_EQ_ADDR_SOME(0.00)[]; R_DKIM_ALLOW(-0.20)[tenebras-com.20150623.gappssmtp.com:s=20150623]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.999,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[ipfw@freebsd.org]; DMARC_NA(0.00)[tenebras.com]; URI_COUNT_ODD(1.00)[5]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[tenebras-com.20150623.gappssmtp.com:+]; NEURAL_HAM_SHORT(-1.00)[-0.999,0]; RCVD_IN_DNSWL_NONE(0.00)[1.3.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; IP_SCORE(-2.98)[ip: (-9.37), ipnet: 2607:f8b0::/32(-3.05), asn: 15169(-2.45), country: US(-0.05)]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-ipfw@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: IPFW Technical Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Aug 2019 01:43:07 -0000 On Tue, Aug 6, 2019 at 6:23 PM Rodney W. Grimes < freebsd-rwg@gndrsh.dnsmgr.net> wrote: > > Hi! > > > > Is it possible to bl;ock compute.amazonasws.com with ipfw firewall. I > > have a table with many amazonasws IPs but every time when I start > > Firefox it shows the new one (I am checkong with tcpdump). > > Since it is almost impossible to keep up with the IP's.... > This is not even remotely true. https://ip-ranges.amazonaws.com/ip-ranges.json is kept up-to-date, and you can subscribe to an SNS topic to be notified of changes: arn:aws:sns:us-east-1:806199016981:AmazonIpSpaceChanged You could put the entire contents, or a portion of it, in an ipfw table and swap tables atomically upon change. --=20 "Well," Brahm=C4=81 said, "even after ten thousand explanations, a fool is = no wiser, but an intelligent person requires only two thousand five hundred." - The Mah=C4=81bh=C4=81rata