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Re: [ok-mail] Re: [K12OSN] NAT and DHCP



Yeah, but around here that's like pulling teethe out of a chicken. . . 
Probably not going to happen. . .

I can see the argument coming now. . ."Why didn't you just order it in 
there in the first place, etc, etc. . .?"

On 28 Jul 2003, Brian Fahrlander wrote:

> On Mon, 2003-07-28 at 05:33, John Hansknecht wrote:
> > On Fri, 2003-07-25 at 10:59, Richard Black wrote:
> > > >
> > > >
> > > >I know I can get DHCP ro ron on a computer with just one NIC but is it 
> > > >possible to get NAT tor work on the same server with just one NIC?  I have 
> > > >a 248 mask at one of my buildings so I need to get DHCP and NAT working 
> > > >because I am installing a PArent Center Computer Lab here with 12 
> > > >computers in it.
> > > >  
> > > >
> > > I believe the answer to this is yes.  Just have this box as the default 
> > > gateway for the
> > > DHCP clients.  I'm not sure about configuring NAT, but I'm sure there's 
> > > a way to
> > > have it do NATting with just 1 NIC.
> > > [SNIP]
> > > One problem with this though, since the clients are not forced to go 
> > > through this box, then
> > > this box can be bypassed.  They can just make their default GW to be the 
> > > real GW that the NAT
> > > server is using; thereby bypassing the NAT server along with any other 
> > > checks and balances that
> > > you want to do on that server such as blocks, parental control, etc.
> > > 
> > To get around the problem of bypassing the proxy you can set your
> > gateway to only accept traffic from the proxy server ...With Iptables
> > you can block access from your client PC's for just the specific
> > protocals (http) that the proxy is serving.
> 
>     Or, you *COULD* just spring $12 for a second card...
> 
> 

-- 
Doug Simpson
Technology Specialist
DeQueen Public Schools
DeQueen, AR 71832
simpsond leopards k12 ar us
Tux for President!




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