From owner-freebsd-questions@freebsd.org Tue Aug 24 22:59:59 2021 Return-Path: Delivered-To: freebsd-questions@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 733E86689E5 for ; Tue, 24 Aug 2021 22:59:59 +0000 (UTC) (envelope-from kudzu@tenebras.com) Received: from mail-lj1-x232.google.com (mail-lj1-x232.google.com [IPv6:2a00:1450:4864:20::232]) (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 4GvPhG5PhXz4Y0q for ; Tue, 24 Aug 2021 22:59:58 +0000 (UTC) (envelope-from kudzu@tenebras.com) Received: by mail-lj1-x232.google.com with SMTP id q21so40264534ljj.6 for ; Tue, 24 Aug 2021 15:59:58 -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; bh=YtGWGn7HWw4VeRb6svRilSmbcg5I1mnOQB/RuADCnjo=; b=FBZ6pZL9t3Tg8oo48qGR86O49VF6Yc2AoBwX9ibITt6WFjHVSdeENkm/lCcy+5mgYV FmGjYoE71C5Y45B28crLlDyGDcpZXfHcmyzA0fzGQEBcPlmFxKdsAdnTlPiVjiFNJKDr dpH0hTUsmXnw9IHy3EPMRsnEVDzPCMfVjl2mpR83g2EVnhcSszWlx4haCeLq8q28Gy8d Ge3RYMYqUc3wGybhn3ugJ1y6vUnX7ZMXE9RHZlL4zXSNSsxeOH/RTXPXzsuWWoR2dr/p zrwylT3YUxN+0mBThuKnEfiRMGjAxLsllMpiPE/ZZcLl98cLDuWOFbahXKntETNkZfOm UpZA== 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; bh=YtGWGn7HWw4VeRb6svRilSmbcg5I1mnOQB/RuADCnjo=; b=rhKwIKdfQxATbifdl7Nb8GSf+rn/7qwIiT1lUztvVMN+Sx+FqZ7tIlKnkylDW1aR0P LYx/3ene0hpoqe0l/UYtsBCwP71onLf8VTpkE5n9H5CPKzQR7WoW+tWfs2fxE3XaEu+b zU80H2nHFFIIvBrqDSTKA9v7PF4vZ0FBE5tD1qnkt2eOor/wFXGJv+efXCeyXhvo3yE9 q9WauXjmpP1byM4dInEv6kZfyN9Dnma50e99BaoOlGYLakUAW0JJlmGfr7T8GQDqTb28 TrvFiqZdC5TNm8f745o3ZuhvUCYoFME9pWVLxovz4Y5KYInbVr1qKfroW2WQa0K4H8r4 9EOg== X-Gm-Message-State: AOAM532AUxkEzfWx+NiPGdS68SJl3ejdIYfXu7uwjSmJYj1+4lxW0MyF 9CoSfHIyY3/19hy/aCBhGBZSvXEoPUPI1y/1Ivxe2J85yKlbzg== X-Google-Smtp-Source: ABdhPJy5784CX1Rzz83dvHciw3FKxJVql+weNd9+ZioXdRmYn0Zb98DDEh6NXn41pcRIVwcP5J9rmOC0Z59PVjrqAXE= X-Received: by 2002:a2e:9c16:: with SMTP id s22mr33617507lji.255.1629845997003; Tue, 24 Aug 2021 15:59:57 -0700 (PDT) MIME-Version: 1.0 References: <9e6cd8e2-a06e-468b-7245-d5ff13309763@tundraware.com> <7b9a7c6a-fc0e-a605-6938-8b89c09e0336@tundraware.com> In-Reply-To: <7b9a7c6a-fc0e-a605-6938-8b89c09e0336@tundraware.com> From: Michael Sierchio Date: Tue, 24 Aug 2021 15:59:21 -0700 Message-ID: Subject: Re: ipfw Table Organization To: FreeBSD Mailing List X-Rspamd-Queue-Id: 4GvPhG5PhXz4Y0q X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=tenebras-com.20150623.gappssmtp.com header.s=20150623 header.b=FBZ6pZL9; dmarc=none; spf=none (mx1.freebsd.org: domain of kudzu@tenebras.com has no SPF policy when checking 2a00:1450:4864:20::232) smtp.mailfrom=kudzu@tenebras.com X-Spamd-Result: default: False [-1.29 / 15.00]; RCVD_TLS_ALL(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[tenebras-com.20150623.gappssmtp.com:s=20150623]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.995]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; DMARC_NA(0.00)[tenebras.com]; NEURAL_SPAM_MEDIUM(1.00)[1.000]; RCPT_COUNT_ONE(0.00)[1]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[tenebras-com.20150623.gappssmtp.com:+]; NEURAL_HAM_SHORT(-1.00)[-0.999]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::232:from]; R_SPF_NA(0.00)[no SPF record]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-questions] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Aug 2021 22:59:59 -0000 On Tue, Aug 24, 2021 at 3:41 PM Tim Daneliuk wrote: > On 8/24/21 5:30 PM, Michael Sierchio wrote: > > Do you really mean 100,000 firewall rules? 100,000 CIDR blocks is not > > a problem. You should probably consolidate CIDR blocks before adding > them > > to a > > table, because it's a longest-prefix-match. > > > Most of the 100,000 are CIDR blocks but there are probably on the order > of 5000-ish IPs > An IPv4 address is a CIDR block with a netmask of /32 ;-)