From mboxrd@z Thu Jan 1 00:00:00 1970 From: MargoAndTodd Subject: Re: passive mode ftp high ports driving me nuts Date: Fri, 08 Jan 2010 08:09:38 -0800 Message-ID: <4B4758C2.7050607@gmail.com> References: <4B46323E.1050106@gmail.com> <4B4707EA.9010301@chello.at> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=dfC4bkk9gTmRLGz4RLW7IderqyC8m+23AsXL0BQM90Q=; b=lmB/33u/VfhJXuBkMGMCpa76JS4Ph6myXgnEKdvUW2dB1rWWF+Z/oEyxGneHW9yosq yQl66Jv72qaEh0/il91oAD7ytqmKbEPHYCa2fZhwnmOU/xk/IxdQbY3EOfJv1T1WkPIm Z4VnmzV658kxiVFffv2xG30IVJYenqAnTIVSo= In-Reply-To: <4B4707EA.9010301@chello.at> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: netfilter@vger.kernel.org >> It is the "--sport $unassgn --dport $unassgn" that is killing me. >> How do I restrict the last three to just passive mode ftp? >> On 01/08/2010 02:24 AM, Mart Frauenlob wrote: > use the 'helper' match extension. i.e: -m helper --helper ftp. > if you need to distinguish between active and passive, you still can use > the port and state matches for that. Hi Mart, Thank you! Can you point me to the directions/manual for the "-m helper --helper ftp" so I can figure out what exactly it is doing and how to install it? Many thanks, -T