Return-Path: X-Original-To: dnsop@ietfa.amsl.com Delivered-To: dnsop@ietfa.amsl.com Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4D0F41AD49F for ; Thu, 12 Nov 2015 08:00:55 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.911 X-Spam-Level: X-Spam-Status: No, score=-1.911 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jfVtXL31RHR2 for ; Thu, 12 Nov 2015 08:00:52 -0800 (PST) Received: from rock.ICSI.Berkeley.EDU (rock.ICSI.Berkeley.EDU [192.150.186.19]) by ietfa.amsl.com (Postfix) with ESMTP id D8B151AD37B for ; Thu, 12 Nov 2015 08:00:52 -0800 (PST) Received: from localhost (localhost.localdomain [127.0.0.1]) by rock.ICSI.Berkeley.EDU (Postfix) with ESMTP id CA5642C40D9; Thu, 12 Nov 2015 08:00:52 -0800 (PST) X-Virus-Scanned: amavisd-new at ICSI.Berkeley.EDU Received: from rock.ICSI.Berkeley.EDU ([127.0.0.1]) by localhost (maihub.ICSI.Berkeley.EDU [127.0.0.1]) (amavisd-new, port 10024) with LMTP id Mc4QfHALZQaD; Thu, 12 Nov 2015 08:00:52 -0800 (PST) Received: from [10.0.1.62] (c-76-103-162-14.hsd1.ca.comcast.net [76.103.162.14]) (Authenticated sender: nweaver) by rock.ICSI.Berkeley.EDU (Postfix) with ESMTP id 648B22C401D; Thu, 12 Nov 2015 08:00:52 -0800 (PST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) Content-Type: multipart/signed; boundary="Apple-Mail=_7FC61A09-4BB4-4F68-AC0F-60B57860EEF3"; protocol="application/pgp-signature"; micalg=pgp-sha512 X-Pgp-Agent: GPGMail 2.6b2 From: Nicholas Weaver In-Reply-To: Date: Thu, 12 Nov 2015 08:00:50 -0800 Message-Id: References: To: "Wiley, Glen" X-Mailer: Apple Mail (2.3094) Archived-At: Cc: "dnsop@ietf.org" , Nicholas Weaver Subject: Re: [DNSOP] are there recent studies of client side/ISP firewalls interfering with EDNS? X-BeenThere: dnsop@ietf.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: IETF DNSOP WG mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Nov 2015 16:00:55 -0000 --Apple-Mail=_7FC61A09-4BB4-4F68-AC0F-60B57860EEF3 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii > On Nov 12, 2015, at 7:59 AM, Wiley, Glen wrote: >=20 > I have seen the ISC EDNS compliance report (beautiful thing really), = but it loks as though the focus is really on the name servers and name = server operators. Has a recent study been done to examine whether = client side/ISP firewalls are interfering with EDNS? We've done some of this in Netalyzr. Captive portals in particular are = a problem, with about 1% of systems measured in Netalyzr unable to use = EDNS0 to get DNSSEC information either from the recursive resolver OR = directly from the roots. -- Nicholas Weaver it is a tale, told by an idiot, nweaver@icsi.berkeley.edu full of sound and fury, 510-666-2903 .signifying nothing PGP: http://www1.icsi.berkeley.edu/~nweaver/data/nweaver_pub.asc --Apple-Mail=_7FC61A09-4BB4-4F68-AC0F-60B57860EEF3 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJWRLeyAAoJEG2B1w+SDi/uJOQP/3VvVjz2imEfdlwVdnTFGfCq ho5c+i5ukUghU7NIi/yPQ6QDHbxreQn6bkxFkgzlfUJuuzQARacq4ttz6ua9Qdhn e4RcydRWmV8YcIdOTABmeDDw3/ElGNx5HqP26OjDeOkk8HSRxiWY2l7Dgb3ZijCC bg5AsNDoZP5Ma3xI/CywA8hthjXVU0G4XAxK4kLV08GUqlscsFp+0hkJkkzU4w1r c03+8YtGobQor9aFdkbH8anJm72dIx9rUIvJUhoyH7VR+EkPyguccyVKTgOs+Ix/ hSNpnUs/7YMK7EgHFZd+onQVvYTmsjRuM9LK8/eADyLNoZzBPoE+psqomgfWaUra X59P9Inql/BK67lGrdPNEwAe2ilgCHy4n68u0RCGMegp8roJTIbF7UNhx552p0uL R/92omzcnl1EX9nbGVEvs/5Vq1xQ3vnlCo7B8B11ZV9eQAdnTFLFHqQjb8xaus8q c1aT9uPSuo2GO3qxRMKPV65SS0jDr8y/Otk7h2O5JLmyHU3ac+YoYdOPdR8z1H6p +5M9zrgm1xDApeDYxigkV/gSSTK9sjQwsuTpk/7CtBYoK8X4O240ZDl5axIuuUXG qjmIuPOuESKgtHhiovJwdCWxwEKVdCVAi7Xg5tt34xPH6wFXyWbczBT1qLjezaez URS0sht4CBFO5sVWUzRP =T1FV -----END PGP SIGNATURE----- --Apple-Mail=_7FC61A09-4BB4-4F68-AC0F-60B57860EEF3--