Home Networking

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Author: David Mandala
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Subject: Home Networking

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Works ok as long as you don't have any MS boxen exposed to the net in this
fashion. You are only 1 step away from NAT at this point and much more
secure with the addition of NAT.

> -----Original Message-----
> From: Lisa Winkler [mailto:lmw@po.cwru.edu]
> Sent: Friday, January 11, 2002 1:54 PM
> To: plug-discuss@lists.PLUG.phoenix.az.us
> Subject: Re: Home Networking
>
>
> I am probably going to get flamed by the more security-minded
> people in the group, but....
>
> I wanted real-world IPs. I didn't want the hassle of IP
> Masquerading. So, instead of a firewall I have an old P-60
> with 2 NICs set up as a bridge, with IP Filter running on
> them. Cable modem comes in NIC 1, IP Filter drops any
> packets I don't want on my network, and the rest go back out
> through NIC 2 to my hub and on to my other 2 boxes. The
> "firewall" box is headless; I have a 3rd NIC that I use to
> administer it, but I can only get into it from within my
> network since it has a private IP. Because there is no way
> of reaching it from the outside world (short of breaking into
> one of the other boxes on my network I suppose) I don't worry
> too much about it being hacked.
>
> IMO this was a much easier setup than NAT, and less worrisome.
>
> Lisa
>
> On Fri, 11 Jan 2002, Technomage wrote:
>
> > I did that here without a problem....
> >
> > I use 2 nics in the box and it handles NAT/port forwarding without
> > much fanfare (in fact, I am seding this message from a box
> behind the
> > linux router/firewall).
> >
> > Technomage
> >
> > "Bruner, Andrew" wrote:
> > >
> > > I'm getting Cox@home and plan on using a Linux box as a
> firewall. Do I need
> > > to also configure it as a router? Should I just go out
> and buy a router? Do
> > > I need a router at all? I have an 8 port hub that I was
> planning on using in
> > > conjunction with the Linux box as a firewall. Will that work?
> > > Thanks for any comments.
> > > -Andrew
> > > ________________________________________________
> > > See http://PLUG.phoenix.az.us/navigator-mail.shtml if
> your mail doesn't post to the list quickly and you use
> Netscape to write mail.
> > >
> > > PLUG-discuss mailing list -
> PLUG-discuss@lists.PLUG.phoenix.az.us
> > > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
> >
> >
>
> ________________________________________________
> See http://PLUG.phoenix.az.us/navigator-mail.shtml if your
> mail doesn't post to the list quickly and you use Netscape to
> write mail.
>
> PLUG-discuss mailing list - PLUG-discuss@lists.PLUG.phoenix.az.us
> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
>

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<TITLE>RE: Home Networking</TITLE>
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Works ok as long as you don't have any MS boxen =
exposed to the net in this fashion. You are only 1 step away from NAT =
at this point and much more secure with the addition of NAT.

> -----Original Message-----
 > From: Lisa Winkler [<A =
HREF=3D"mailto:lmw@po.cwru.edu">mailto:lmw@po.cwru.edu</A>]
 > Sent: Friday, January 11, 2002 1:54 PM
 > To: =
plug-discuss@lists.PLUG.phoenix.az.us
 > Subject: Re: Home Networking
 > 
 > 
 > I am probably going to get flamed by the more =
security-minded 
 > people in the group, but....
 > 
 > I wanted real-world IPs.  I didn't want =
the hassle of IP 
 > Masquerading.  So, instead of a firewall I =
have an old P-60 
 > with 2 NICs set up as a bridge, with IP Filter =
running on 
 > them.  Cable modem comes in NIC 1, IP =
Filter drops any 
 > packets I don't want on my network, and the =
rest go back out 
 > through NIC 2 to my hub and on to my other 2 =
boxes.  The 
 > "firewall" box is headless; I have a =
3rd NIC that I use to 
 > administer it, but I can only get into it from =
within my 
 > network since it has a private IP.  =
Because there is no way 
 > of reaching it from the outside world (short of =
breaking into 
 > one of the other boxes on my network I suppose) =
I don't worry 
 > too much about it being hacked.  
 > 
 > IMO this was a much easier setup than NAT, and =
less worrisome.
 > 
 > Lisa
 > 
 > On Fri, 11 Jan 2002, Technomage wrote:
 > 
 > > I did that here without a =
problem....
 > > 
 > > I use 2 nics in the box and it handles =
NAT/port forwarding without 
 > > much fanfare (in fact, I am seding this =
message from a box 
 > behind the
 > > linux router/firewall).
 > > 
 > > Technomage
 > > 
 > > "Bruner, Andrew" wrote:
 > > > 
 > > > I'm getting Cox@home and plan on =
using a Linux box as a 
 > firewall. Do I need
 > > > to also configure it as a router? =
Should I just go out 
 > and buy a router? Do
 > > > I need a router at all? I have an 8 =
port hub that I was 
 > planning on using in
 > > > conjunction with the Linux box as a =
firewall. Will that work?
 > > > Thanks for any comments.
 > > > -Andrew
 > > > =
________________________________________________
 > > > See <A =
HREF=3D"http://PLUG.phoenix.az.us/navigator-mail.shtml" =
TARGET=3D"_blank">http://PLUG.phoenix.az.us/navigator-mail.shtml</A> if =

 > your mail doesn't post to the list quickly and =
you use 
 > Netscape to write mail.
 > > > 
 > > > PLUG-discuss mailing list  =
-  
 > PLUG-discuss@lists.PLUG.phoenix.az.us
 > > > <A =
HREF=3D"http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss" =
TARGET=3D"_blank">http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-=
discuss</A>
 > > 
 > > 
 > 
 > =
________________________________________________
 > See <A =
HREF=3D"http://PLUG.phoenix.az.us/navigator-mail.shtml" =
TARGET=3D"_blank">http://PLUG.phoenix.az.us/navigator-mail.shtml</A> if =
your 
 > mail doesn't post to the list quickly and you =
use Netscape to 
 > write mail.
 > 
 > PLUG-discuss mailing list  -  =
PLUG-discuss@lists.PLUG.phoenix.az.us
 > <A =
HREF=3D"http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss" =
TARGET=3D"_blank">http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-=
discuss</A>
 > 


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