How about conduit statements allowing the outside addresses access to the
inside addresses. (Or access lists for the newer OS versions.) You could run
it wide open or be specific to addresses and ports.
> -----Original Message-----
> From: Rizzo Damian [mailto:[EMAIL PROTECTED]]
> Sent: Monday, May 21, 2001 12:50 PM
> To: [EMAIL PROTECTED]
> Subject: RE: PIX question... [7:5248]
>
>
> Actually it seems as if you understand exactly what I'm
> asking. Your idea is
> very similar to mine. However it didn't work unfortunately.
> Let me ask this
> another way, if you don't mind...You have an internet router which is
> directly connected to the external (un-trusted) interface of your PIX
> firewall. Basically I want to be able to access my internal
> LAN with private
> IP addresses from the Internet router with Public IP
> addresses. So I should
> be able to telnet onto my internet router and ping my
> privately held LAN.
> Forget about Security, I just want to know if it can be done.
> The static
> mapping doesn't seem to work. Probably because it require a one-to-one
> mapping no? Thanks for any help in advance!
>
>
>
> -Rizzo
>
>
>
>
>
> -----Original Message-----
> From: Craig Columbus [mailto:[EMAIL PROTECTED]]
> Sent: Monday, May 21, 2001 1:12 PM
> To: [EMAIL PROTECTED]
> Subject: RE: PIX question... [7:5248]
>
> I'm not clear on what you're asking. Are you asking if the
> PIX can take a
> public IP and make it appear as a private IP on the internal
> network? The
> answer is yes, although you certainly want to be careful with
> this and I
> can't say that this is a recommended config. You'll need a
> config similar
> to the one below:
>
> nat (outside) 1 0 0
> static (inside,outside)
> netmask 255.255.255.255
> access-list permit ip any host
>
> For more info, reference
> http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_
> v52/config/exa
> mples.htm#xtocid274896
>
> Thanks,
> Craig
>
> At 12:14 PM 5/21/2001 -0400, you wrote:
> >We are aware of the VPN solution and that is our long term
> goal. However,
> >for the moment, all I need to know is if it is possible to
> NAT from an
> >outside (not trusted) interface to an inside (trusted) interface.
> >
> > Thank you!
> >
> > -Rizzo
> >
> >
> >
> >
> >-----Original Message-----
> >From: Craig Columbus [mailto:[EMAIL PROTECTED]]
> >Sent: Monday, May 21, 2001 11:44 AM
> >To: Rizzo Damian
> >Cc: [EMAIL PROTECTED]
> >Subject: Re: PIX question... [7:5248]
> >
> >Sounds like a VPN is your best bet.
> >Should you decide to implement the VPN, you may want to
> consider whether
> >you still need to maintain the modem pool on the Internet
> router. Reducing
> >this cost could help justify the cost of implementing a VPN
> solution. A
> >properly authenticated VPN user should be able to use any
> dial-up Internet
> >connection to reach your LAN.
> >
> >Craig
> >
> >At 10:15 AM 5/21/2001 -0400, you wrote:
> > >Hey all, is it possible to translate public IP addresses
> (outside) to
> > >private IP addresses (inside) on a PIX firewall. Basically
> the exact
> > >opposite of what's usually performed on a firewall. We are
> going to have
> > >users dial in to our internet router and receive a Public
> IP address.
> They
> > >have to get through our firewall to gain access to our
> LAN. Is there a
> way
> > >to translate the Public IP address they will obtain into a
> private IP
> > >address used by our LAN so they can access it? I thank
> you for your
> >help...
> > >
> > >
> > > -Rizzo
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