From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gndrsh.dnsmgr.net (br1.CN84in.dnsmgr.net [69.59.192.140]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 7EF173B29E for ; Mon, 17 Apr 2023 10:39:01 -0400 (EDT) Received: from gndrsh.dnsmgr.net (localhost [127.0.0.1]) by gndrsh.dnsmgr.net (8.13.3/8.13.3) with ESMTP id 33HEcq6u056123; Mon, 17 Apr 2023 07:38:52 -0700 (PDT) (envelope-from starlink@gndrsh.dnsmgr.net) Received: (from starlink@localhost) by gndrsh.dnsmgr.net (8.13.3/8.13.3/Submit) id 33HEcqi7056122; Mon, 17 Apr 2023 07:38:52 -0700 (PDT) (envelope-from starlink) From: "Rodney W. Grimes" Message-Id: <202304171438.33HEcqi7056122@gndrsh.dnsmgr.net> In-Reply-To: To: David Lang Date: Mon, 17 Apr 2023 07:38:52 -0700 (PDT) CC: =?ISO-8859-15?Q?David_Fern=E1ndez?= , starlink@lists.bufferbloat.net X-Mailer: ELM [version 2.4ME+ PL121h (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII Subject: Re: [Starlink] fiber IXPs in space X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Apr 2023 14:39:01 -0000 > On Sun, 16 Apr 2023, David Fern?ndez via Starlink wrote: > > > The idea would be that the satellite inspects IP packets and when it > > detects a DNS query, instead of forwarding the packet to ground > > station, it just answers back to the sender of the query. > > This would be a bad way to implement it. You don't want to override queries to > other DNS servers, but it would be very easy to create an anycast address that > is served by the satellites. Yes, and the later is what I proposed, the idea of intercepting someone ELSE'S anycast address and processing it would be wrong in many ways, in effect a Man In the Middle attack as stated else where. > David Lang -- Rod Grimes rgrimes@freebsd.org