From owner-soc-status@FreeBSD.ORG Tue Jul 12 09:11:26 2011 Return-Path: Delivered-To: soc-status@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 42B341065672 for ; Tue, 12 Jul 2011 09:11:26 +0000 (UTC) (envelope-from nc3bhconc@gmail.com) Received: from mail-qw0-f54.google.com (mail-qw0-f54.google.com [209.85.216.54]) by mx1.freebsd.org (Postfix) with ESMTP id 07C878FC0A for ; Tue, 12 Jul 2011 09:11:25 +0000 (UTC) Received: by qwc9 with SMTP id 9so3027023qwc.13 for ; Tue, 12 Jul 2011 02:11:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:from:date:x-google-sender-auth:message-id :subject:to:content-type; bh=VFGpZQ0Dnfej1Cx9tpokUZ9WZg2hB42+c/GdIKe83iA=; b=S91N6ovJjjRXVVLnLqSpsv3BRb/9k+ZDAquCwNRlo2c8mSeTcvkCxJA0E3EZ+WsLzK pFCfLm+jllM/Oy670vhRwWu9fI6kQM7dr4ayWZQeymeYFbX+NHDlLKF1hv9GSHLbymwH rqA35UaRzRUi7jwJud0fp5Ry6r/vktQ3MziMI= Received: by 10.224.215.131 with SMTP id he3mr4496136qab.269.1310461885094; Tue, 12 Jul 2011 02:11:25 -0700 (PDT) MIME-Version: 1.0 Sender: nc3bhconc@gmail.com Received: by 10.224.80.143 with HTTP; Tue, 12 Jul 2011 02:11:05 -0700 (PDT) From: Catalin Nicutar Date: Tue, 12 Jul 2011 12:11:05 +0300 X-Google-Sender-Auth: oG4XCXcg-LKn5ZBNbOwy3HDJKww Message-ID: To: soc-status@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Subject: TCP UTO - Weekly Report 7 X-BeenThere: soc-status@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Summer of Code Status Reports and Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jul 2011 09:11:26 -0000 Hello! This is the seventh report for TCP UTO. * Short TCP UTO description UTO stands for User Timeout Option (it is described in RFC5482). TCP UTO specifies a peer should be allowed to advertise its chosen `User Timeout' for a connection. The wiki page for this project: http://wiki.freebsd.org/CatalinNicutar/TCPUTO * Work completed last week * I have added three tests in tools/regression/netinet/tcputo. Testing is done on loopback interfaces and only "base" components are used * I have tested the Linux implementation (http://git.jauu.net/?p=net-2.6-topics.git;a=log;h=refs/heads/tcp-uto) and it works with what I am implementing. In particular, it implements the same retransmit policy * As the API is becoming stable I have edited tcp.4 to include setsockopt options and sysctls used * My goals for this week * I will start modifying userland applications in "base" like telnet, ssh and nc * UTO introduces security problems. I will consider ways to address these issues (beyond mentioning in the man page that it should only be used for authenticated connections) * I will try to branch HEAD and start forward porting changes to it If you have questions, suggestions or advices drop me an email to cnicutar@FreeBSD.org. Catalin Nicutar