Delivery-Date: Sun, 07 Dec 2014 07:38:52 -0500
Return-Path: <tor-talk-bounces@lists.torproject.org>
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on moria.seul.org
X-Spam-Level: 
X-Spam-Status: No, score=-3.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,
	PLING_QUERY,RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,
	UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=ham version=3.3.1
X-Original-To: archiver@seul.org
Delivered-To: archiver@seul.org
Received: from eugeni.torproject.org (eugeni.torproject.org [38.229.72.13])
	(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by khazad-dum.seul.org (Postfix) with ESMTPS id 245AB1E01B3;
	Sun,  7 Dec 2014 07:38:50 -0500 (EST)
Received: from eugeni.torproject.org (localhost [127.0.0.1])
	by eugeni.torproject.org (Postfix) with ESMTP id BD40331E00;
	Sun,  7 Dec 2014 12:38:45 +0000 (UTC)
Received: from localhost (localhost [127.0.0.1])
 by eugeni.torproject.org (Postfix) with ESMTP id D499631DBC
 for <tor-talk@lists.torproject.org>; Sun,  7 Dec 2014 12:38:42 +0000 (UTC)
X-Virus-Scanned: Debian amavisd-new at 
Received: from eugeni.torproject.org ([127.0.0.1])
 by localhost (eugeni.torproject.org [127.0.0.1]) (amavisd-new, port 10024)
 with ESMTP id T9qIEz2Qx9xv for <tor-talk@lists.torproject.org>;
 Sun,  7 Dec 2014 12:38:42 +0000 (UTC)
Received: from mx1.riseup.net (mx1.riseup.net [198.252.153.129])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "*.riseup.net",
 Issuer "COMODO RSA Domain Validation Secure Server CA" (not verified))
 by eugeni.torproject.org (Postfix) with ESMTPS id B307231DB0
 for <tor-talk@lists.torproject.org>; Sun,  7 Dec 2014 12:38:42 +0000 (UTC)
Received: from berryeater.riseup.net (berryeater-pn.riseup.net [10.0.1.120])
 (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits))
 (Client CN "*.riseup.net",
 Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK))
 by mx1.riseup.net (Postfix) with ESMTPS id E23E140F64
 for <tor-talk@lists.torproject.org>; Sun,  7 Dec 2014 12:38:39 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak;
 t=1417955919; bh=5+abCOeWBxoiiqbBxdrhUFx/5dJ0+eNfT75p0VKnnGw=;
 h=Date:From:To:Subject:References:In-Reply-To:From;
 b=P6zolViX/0v+j61e4jIDEHiotHdvMb6N2hWofpg3fzsYAJ89H9ZPG1I+HTtbFbcsp
 +XlDflf9EB69/ENJLXLfAannmpbXtxHWvappVk7C1okN0PWG2E7e3milxTgw5mpwUj
 AYPZjtaofPrbdo1CLrIw6en26rGkAIcf13Jk0w1A=
Received: from [127.0.0.1] (localhost [127.0.0.1])
 (Authenticated sender: cyrus_the_great) with ESMTPSA id B484940E42
Message-ID: <54844A43.1030309@riseup.net>
Date: Sun, 07 Dec 2014 12:38:27 +0000
From: Cyrus <cyrus_the_great@riseup.net>
MIME-Version: 1.0
To: tor-talk@lists.torproject.org
References: <d44c9fb94badc9743f9491dc11db52c0@ruggedinbox.com>
In-Reply-To: <d44c9fb94badc9743f9491dc11db52c0@ruggedinbox.com>
X-Virus-Scanned: clamav-milter 0.98.4 at mx1
X-Virus-Status: Clean
Subject: Re: [tor-talk] (D)DOS over Tor network ? Help !
X-BeenThere: tor-talk@lists.torproject.org
X-Mailman-Version: 2.1.15
Precedence: list
Reply-To: tor-talk@lists.torproject.org
List-Id: "all discussion about theory, design,
 and development of Onion Routing" <tor-talk.lists.torproject.org>
List-Unsubscribe: <https://lists.torproject.org/cgi-bin/mailman/options/tor-talk>, 
 <mailto:tor-talk-request@lists.torproject.org?subject=unsubscribe>
List-Archive: <http://lists.torproject.org/pipermail/tor-talk/>
List-Post: <mailto:tor-talk@lists.torproject.org>
List-Help: <mailto:tor-talk-request@lists.torproject.org?subject=help>
List-Subscribe: <https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-talk>, 
 <mailto:tor-talk-request@lists.torproject.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Errors-To: tor-talk-bounces@lists.torproject.org
Sender: "tor-talk" <tor-talk-bounces@lists.torproject.org>

fuckyouhosting@ruggedinbox.com wrote:
> Hi List! We (try to) maintain a free hosting platform for hidden service
> websites, here: http://fuckyouhotwkd3xh.onion
> but recently all the hosted hidden services became unreachable.
> 
> Tor logs are correctly reporting the problem:
> 
> Dec 01 XXX [notice] Your Guard SoylentGreen (XXX) is failing more
> circuits than usual. Most likely this means the Tor network is
> overloaded. Success counts are 147/210. Use counts are 86/86. 147
> circuits completed, 0 were unusable, 1 collapsed, and 1000 timed out.
> For reference, your timeout cutoff is 60 seconds.
> 
> Dec 01 XXX [notice] Your Guard regar42 (XXX) is failing more circuits
> than usual. Most likely this means the Tor network is overloaded.
> Success counts are 122/178. Use counts are 91/92. 137 circuits
> completed, 15 were unusable, 0 collapsed, and 17 timed out. For
> reference, your timeout cutoff is 113 seconds.
> 
> ...
> 
> trying to change the Guard, by deleting the /var/lib/tor/state file,
> results in the same problem and logs, just with a different Guard.
Don't ever change your guards because someone wants you to.
> 
> Trying to host just our hidden service (fuckyouhotwkd3xh.onion),
> by deleting all the other hidden services in the torrc file,
> 'solves' the problem .. logs looks ok and the service is reachable.
> 
> It looks like we are hosting an 'offending' hidden service
> which is the target of a (D)DOS attack.
> 
> We tried to enable Tor debugging and to sniff some traffic
> but were unable to find the offending hidden service.
Run Tor as separate processes for each customer. A simple shell script
can write a torrc for each hidden service directory and start it.
> 
> All the access.log and error.log of the hosted websites are ok,
> they don't grow in size and don't log any flood.
> 
> Even the bandwidth usage of the server looks ok, basically there is no
> traffic.
> 
> 
> So .. question: is there a way to understand which hidden service is
> causing all this ?
> 
> Suggestions are welcome!
> 
> Thank you.

-- 
CYRUSERV Onionland Hosting: http://cyruservvvklto2l.onion/
PGP public key: http://cyruservvvklto2l.onion/contact
This email is just for mailing lists and private correspondence.
Please use cyrus_the_great@lelantos.org for business inquiries.
-- 
tor-talk mailing list - tor-talk@lists.torproject.org
To unsubscribe or change other settings go to
https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-talk

