From: "John Anthony Kazos Jr." <jkazos@vt.edu>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] FTP transparent proxying
Date: Thu, 22 Mar 2001 04:52:20 +0000 [thread overview]
Message-ID: <marc-lartc-98523666629970@msgid-missing> (raw)
In-Reply-To: <marc-lartc-98516856629759@msgid-missing>
Nah. If it were me, I'd just rewrite the FTP standard. :P I may, anyway.
On Wed, 21 Mar 2001, Mike Fedyk wrote:
> On Wed, Mar 21, 2001 at 09:31:46PM -0500, John Anthony Kazos Jr. wrote:
> > What does that have to do with anything? One could probably adapt the
> > ideas used in masquerading into transparent proxying. Transparent proxying
> > of HTTP has noething to do with "host" either; that's multihoming.
> >
> Ahh, but you are missing something.
>
> IP masq doesn't know what site is being viewed. It only knows
> www.something.org port 80.
>
> To get transparent proxying of http, you need to get squid to read the
> "Host" header in http.
>
> The best you could get out of ftp on initial connection would be
> destination. You could watch the traffic go by, and keep track of current
> directory. Now that I think of it, if you process the entire control
> connection conversation, you may be able to trans proxy it.
>
> So how do you deal with a cache hit? Don't let that request hit the outside
> server? or block the incomming ftp-data connection and slink your cached
> copy in?
>
> Anyway, the probelm would be much bigger than ip masq, as all it has to do
> is sniff for "port" commands and send that incomming connection inside...
>
> Mike
>
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prev parent reply other threads:[~2001-03-22 4:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-21 9:58 [LARTC] FTP transparent proxying RoMaN SoFt / LLFB!!
2001-03-22 2:20 ` Mike Fedyk
2001-03-22 2:31 ` John Anthony Kazos Jr.
2001-03-22 2:43 ` Mike Fedyk
2001-03-22 4:52 ` John Anthony Kazos Jr. [this message]
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