Linux Netfilter discussions
 help / color / mirror / Atom feed
From: "Deepak Seshadri" <dseshadri@broadbandmaritime.com>
To: 'Jason Opperisano' <opie@817west.com>, netfilter@lists.netfilter.org
Subject: RE: FTP Forwarding
Date: Fri, 14 Jan 2005 09:43:21 -0500	[thread overview]
Message-ID: <200501141443.j0EEhMM8005474@jkcpub.iserver.net> (raw)
In-Reply-To: <1105712849.3661.24.camel@hubcap.ljm.dom>

> -----Original Message-----
> From: netfilter-bounces@lists.netfilter.org [mailto:netfilter-
> bounces@lists.netfilter.org] On Behalf Of Jason Opperisano
> Sent: Friday, January 14, 2005 9:28 AM
> To: netfilter@lists.netfilter.org
> Subject: Re: FTP Forwarding
> 
> On Fri, 2005-01-14 at 06:38, Deepak Seshadri wrote:
> > iptables -t nat -A PREROUTING -i $EXT_IF -p tcp -s $PublicIPAdd -d
> > 202.147.167.99 \
> >    --dport 21 -j DNAT --to-destination 192.168.0.5
> 
> personally--i don't believe in filtering in NAT.  nat in NAT, and filter
> in FILTER; that's why they're there.  it makes the rule set much easier
> to troubleshoot, and it saves you time a year from now when you look at
> your rules and can't figure out why you can't FTP to that server from
> some random IP address, since the FILTER rule is wide open.
> 

Hmm .... thank you for clarifying.

> -j
Deepak




  reply	other threads:[~2005-01-14 14:43 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-28 17:19 FTP Forwarding umar draz
2004-12-28 17:30 ` Jason Opperisano
2005-01-14  8:57   ` Test Mail
2005-01-14 11:38     ` Deepak Seshadri
2005-01-14 14:27       ` Jason Opperisano
2005-01-14 14:43         ` Deepak Seshadri [this message]
2005-01-14 14:23     ` Jason Opperisano
2005-01-17  7:31       ` TestMail
2005-01-18 16:40         ` Jason Opperisano
  -- strict thread matches above, loose matches on Subject: below --
2005-01-18 15:49 Hudson Delbert J Contr 61 CS/SCBN
     [not found] <FD8F124A387AD6119F7900A0D218B321541403@hslex01.hslbz.local>
2002-11-22 12:02 ` Rob Sterenborg
2002-11-22 13:02   ` Roy Sigurd Karlsbakk
2002-11-22 10:08 Bantam
2002-11-22 10:24 ` Alexey Sheshka
2002-11-22 10:26 ` Alexey Sheshka
2002-11-22 10:31 ` Stewart Thompson
2002-11-22 10:37   ` Wasim Bashir
2002-11-22 11:08     ` Stewart Thompson
2002-11-22 11:47       ` Wasim Bashir
2002-11-22 10:34 ` Rob Sterenborg
2002-11-22 11:53 ` Erdal Mutlu
2002-11-18  9:47 ftp forwarding Wasim Bashir

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200501141443.j0EEhMM8005474@jkcpub.iserver.net \
    --to=dseshadri@broadbandmaritime.com \
    --cc=netfilter@lists.netfilter.org \
    --cc=opie@817west.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox