From owner-freebsd-security Thu Jan 3 11: 4:10 2002 Delivered-To: freebsd-security@freebsd.org Received: from lariat.org (lariat.org [12.23.109.2]) by hub.freebsd.org (Postfix) with ESMTP id 03A9237B419; Thu, 3 Jan 2002 11:04:07 -0800 (PST) Received: from mustang.lariat.org (IDENT:ppp0.lariat.org@lariat.org [12.23.109.2]) by lariat.org (8.9.3/8.9.3) with ESMTP id MAA27138; Thu, 3 Jan 2002 12:03:53 -0700 (MST) Message-Id: <4.3.2.7.2.20020103120003.0297d820@localhost> X-Sender: brett@localhost X-Mailer: QUALCOMM Windows Eudora Version 4.3.2 Date: Thu, 03 Jan 2002 12:03:37 -0700 To: Robert Watson , John Hay From: Brett Glass Subject: Re: openssh version Cc: cjclark@alum.mit.edu, Randy Bush , freebsd-security@FreeBSD.ORG In-Reply-To: References: <200201010631.g016Va856231@zibbi.icomtek.csir.co.za> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org At 10:36 AM 1/1/2002, Robert Watson wrote: >I've run into a related problem with SSH forwarding that occurs when a >forwarded TCP connection takes a while to connect. The problem is that >apparently the OpenSSH sshd we ship discards data sent over a forwarded >connection before all parts are completed. If you're using forwarding >connecting to a server with high latency, and on a client-driven protocol, >you may lose some content on the connection. You may also lose the connection. With older versions of OpenSSH, I frequently see the client complain of a "truncated packet" (SSH has its own internal packetized protocol) and drop the session. Sometimes this is just a minor inconvenience -- for example, if I'm doing POP over the forwarded port I sometimes find that the mail client becomes confused and/or does not filter incoming messages properly. It's a bigger concern if I'm doing administration and am cut off in midstream. --Brett To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message