From owner-freebsd-net@freebsd.org Wed Jul 22 09:57:11 2015 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2B3349A668C for ; Wed, 22 Jul 2015 09:57:11 +0000 (UTC) (envelope-from nvass@gmx.com) Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mout.gmx.net", Issuer "TeleSec ServerPass DE-1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B055E1A9F for ; Wed, 22 Jul 2015 09:57:10 +0000 (UTC) (envelope-from nvass@gmx.com) Received: from moby.local ([79.107.36.229]) by mail.gmx.com (mrgmx003) with ESMTPSA (Nemesis) id 0Lm3bl-1YiW1G07E1-00ZdFz for ; Wed, 22 Jul 2015 11:57:03 +0200 Message-ID: <55AF68C1.30203@gmx.com> Date: Wed, 22 Jul 2015 12:56:17 +0300 From: Nikos Vassiliadis User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: FreeBSD Net Subject: "downed" loopback address still active? Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:brx7z3BPxTZEBL4Hs+r1mHM4+OmBUbCJBHuRI1SrqhWTqK05SJy 4HS/PNTCPZuuCzmuzHIthknLrYaGF05QAQrHZeGN4plRkMcwE08HQ6wFKN7L5QBqwqlg1Sn TBYa/vCqRO5TxANSxqdr5rPKPUKR+iGSDqD19eUmUxCfq82T++EP4dcd5Gr6cMaAhaiKeKj fx6vOaZTk0TYWTau5P0Mg== X-UI-Out-Filterresults: notjunk:1;V01:K0:9v0h32yaL5A=:4X8k04lllEn1dGbWstJ9rn 0J3twmE7lEDUJfvjKG7eEjTZi5+4KPc1YFyP5jOqIeOGLSjb+oqSqH2pVZaCtYW00y+SAHOlQ kUdH+Xpj1gqoibGQVxKcNlctbh/KUeGbJYUMa4R6wpwRI1k7v79wsVdYRe8uf+hVYZEMNeuGC eoC2Udl1pYQTwIfFIyQXVmcmTIEC6205xD0XFsZfCW0vHZWC1FkxdFMampdJyPa2TIyqvCdzZ Onmi0iOXYcjZkJsb+8egA0a+F/BR9uXT9RC/j+DSh6cnh2iBaYTsBxHcLHclym5hxfAQYZFpr Ulpf+9kVD8DsiqqoXlVa2ekEqcuoDityLi8UCho6SmKcweZ5c9HWPRBgaVVLQbhg0EF5Z6MfX ydnEF+B54Iwqb6kc++Lk/ZKEYQZTYiDfaU6Oqlc7t8pO5Ar/KyWnBRhCiwoUWEj20PJeqw4aQ c6qc9jHVE9+GdkkfEA0Wj4fMnhwM8rcbtvFfCsU5jd6BizsJlf/vf8QhxRygy0l3HlN/PYEIX PS6F4LkeISwjmiJFsjnz0Sg3SsnFW5KtC9TKcGxRf8ZXet9JsEoGe0id60Wsu9oxTSsDIT8dT u2R7SuSnGqdsrhi2tnqg07Mffk9R39rmUwJY1igQUfV5+DiGwYNDL03Ykh3Fu3LAFcS6pnw9q tcrX+3lKQOgt6K3XwuwCMFTSMa+Gy/YU6LInIoZbLH5ZQGqIxmO92m6Cjk1fovZ+/dhw= X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Jul 2015 09:57:11 -0000 Hi, I am using an IP on a loopback interface and no matter if I "down" the interface, the kernel still uses that address as a valid address, that is, still accepting traffic to the loopback address etc. Is this a bug? Thanks for any ideas, Nikos