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Date:      Tue, 11 Dec 2001 18:26:32 +1300
From:      Tom Peck <tom@masaclaw.co.nz>
To:        Julian Elischer <julian@elischer.org>, freebsd-net@FreeBSD.ORG
Subject:   Re: 1 IP - 1 Firewall - 2 Webservers
Message-ID:  <5.1.0.14.2.20011211182526.02866228@mail.masaclaw.co.nz>
In-Reply-To: <Pine.BSF.4.21.0112102109140.2586-100000@InterJet.elischer. org>
References:  <5.1.0.14.2.20011211121120.0287ddb0@mail.masaclaw.co.nz>

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Thank-you for the reply Julian.

I will get our network guru onto it and let you know the results.

Tom


At 21:13 10/12/2001 -0800, you wrote:
>I have a solution for exactlythis problem
>You need the patch I submitted for ipfw fwd of incoming packets
>about 3 weeks ago.
>
>it allows load sharing to an arbitrary number of webservers transparently
>I sent it to "net" and it had a subject of RFC: (something)
>
>the mail includes how to set it up..
>it uses about 1% of cpu redirecting a 10Mb ethernet to 2 servers.
>(sorry to be vague but look it up in the archives with
>julian AND RFC AND ipfw    in the net list..
>
>
>On Tue, 11 Dec 2001, Tom Peck wrote:
>
> > Hello
> >
> > We have ONE static IP with our ISP via a Cable Modem.  Connected at our 
> end
> > of the Cable Modem is a FreeBSD Firewall / Internet Gateway for the 
> rest of
> > the internal Lan.
> >
> > On the Internal Network we have 2 Web / Mail servers which collect mail 
> and
> > serve HTTP requests recieved from the gateway box.
> >
> > INTERNET ---> GATEWAY_BOX  ---> WEBSERVER_1 (www.domain1.com, 
> bla@domain1.com)
> >                             ---> WEBSERVER_2 (www.domain2.com, 
> bla@domain2.com)
> >                             ---> WORKSTATIONS
> >
> >
> > We are currently using squid to forward on the HTTP requests to the web
> > servers decided by domain requested, ie if someone goes to
> > www.domain1.com/index.htm this request will be forwarded by Squid to the
> > WEBSERVER_1.
> >
> > This has been working fine, until I decided to run some tests, and look
> > through the apache logs on the WEBSERVER_1.  ALL incoming Client IP's and
> > Addresses are always that of the GATEWAY_BOX.  This poses a problem for
> > websites which have security on them for OUTSIDE addresses, as this
> > security will no longer work..  Also, WebStats are going to be invalid as
> > all requests are made from the Gateway IP.
> >
> > Does anybody have any solutions for this problem?  Other software 
> solutions
> > which will fun on FreeBSD?  Any help would be most appreciated - even just
> > a "I wouldn't have a clue, e-mail this group" or something.
> >
> > Thanks All
> >
> > Tom Peck
> >
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-net" in the body of the message
> >



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