From owner-freebsd-wireless@FreeBSD.ORG Fri Oct 3 21:28:03 2014 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 761A0846; Fri, 3 Oct 2014 21:28:03 +0000 (UTC) Received: from land.berklix.org (land.berklix.org [144.76.10.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 0426593A; Fri, 3 Oct 2014 21:28:02 +0000 (UTC) Received: from mart.js.berklix.net (p5DCBEBB3.dip0.t-ipconnect.de [93.203.235.179]) (authenticated bits=128) by land.berklix.org (8.14.5/8.14.5) with ESMTP id s93LOtN4062378; Fri, 3 Oct 2014 21:24:59 GMT (envelope-from jhs@berklix.com) Received: from fire.js.berklix.net (fire.js.berklix.net [192.168.91.41]) by mart.js.berklix.net (8.14.3/8.14.3) with ESMTP id s93LRj3h060147; Fri, 3 Oct 2014 23:27:45 +0200 (CEST) (envelope-from jhs@berklix.com) Received: from fire.js.berklix.net (localhost [127.0.0.1]) by fire.js.berklix.net (8.14.7/8.14.7) with ESMTP id s93LRXum063738; Fri, 3 Oct 2014 23:27:45 +0200 (CEST) (envelope-from jhs@berklix.com) Message-Id: <201410032127.s93LRXum063738@fire.js.berklix.net> To: "freebsd-wireless@freebsd.org" Subject: Re: Does FreeBSD periodically transmit all SSIDs its knows of ? From: "Julian H. Stacey" Organization: http://berklix.com BSD Unix Linux Consultants, Munich Germany User-agent: EXMH on FreeBSD http://berklix.com/free/ X-URL: http://www.berklix.com In-reply-to: Your message "Fri, 03 Oct 2014 03:29:16 -0700." Date: Fri, 03 Oct 2014 23:27:33 +0200 X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Oct 2014 21:28:03 -0000 > On 3 October 2014 03:26, Julian H. Stacey wrote: > >> On 2 October 2014 16:30, Julian H. Stacey wrote: > >> > http://www.bbc.com/news/technology-28891937 > >> > "smartphones and tablets regularly broadcast the SSIDs (service set > >> > identifiers), or names, of those networks. " > >> > > >> > Does FreeBSD also periodically transmit all SSIDs its knows of ? > > > > Adrian Chadd wrote: > >> Depends if wpa_supplicant is configured to do active scanning or not. > >> -a > > > > Sorry, I don't understand ? On latest current: > > > > man wpa_supplicant has no '-a' > > & There is no word `active` in man wpa_supplicant.conf > > > > I see with default scan_ssid=0 FreeBSD sends a broadcast Probe Request frame. > > If some network blocks within a wpa_supplicant.conf have > > scan_ssid=1 > > then does FreeBSD actively sequence through sending > > directed Probe Request frames with known net names ? > > > > Or are you refering to > > ap_scan > > or some other command ? Adrian Chadd top posted: > I believe it only does it when you set scan_ssid=1. OK, Thanks. I submitted a draft caution for the manual. Cheers, Julian -- Julian Stacey, BSD Linux Unix C Sys Eng Consultant Munich http://berklix.com Indent previous with "> ". Interleave reply paragraphs like a play script. Send plain text, not quoted-printable, HTML, base64, or multipart/alternative. ShellShock - http://www.berklix.com/~jhs/bash/