slackware firewall for internal windows network

[Nathan England]

That line is already set in the /etc/rc.d/rc.inet2 file
So that part is done for you.
Unless for some reason you edited the file.

nathan

On Sun, 2001-10-28 at 10:00, George Toft wrote:
> Hi Jeff,
> 
> It looks like you've got the hardest part done.  Activate IP 
> Forwarding with this:
> # echo 1 > /proc/sys/net/ipv4/ip_forward
> 
> You should put the above line in a script so it gets run after each 
> reboot as it is not persistent.  Here is a good place for the slackers 
> to tell us the elegant method under slack.
> 
> Here is link to a good firewall script:
> http://georgetoft.com/linux/firewall/index.html
> skip down to the section that says "/etc/init.d/firewall"
> 
> You may have to make some adjustments so the Windows boxes can
> access the nameserver.  There are some other security tidbits in 
> there, too, that I highly recommend.  See also:
> http://georgetoft.com/security/index.html
> 
> Set up the windows boxes to use your 192.168.x.x IP as the default
> gateway and DNS and you should be good to go.
> 
> 
> George
> 
> 
> 
> Jeff Barker wrote:
> > 
> > I'm setting up a firewall for an internal network at home mainly to
> > keep security inside the network, and to maximize internal network
> > speed and file sharing capabilities.
> > 
> > I want to be able to have the firewall basically transparent using
> > ipfiltering so the two computers behind it can still have full access
> > to the internet.
> > 
> > I want to use a 192.168.0.x internal network address.
> > 
> > The system is a K62 3D with two network cards, a 3com 3c905b, and a
> > netgear FA310Tx card. I have access to the internet using the 3com and
> > I've gotten the module support for the tulip driver for the other card
> > and set up to use the 192.168.0.x network address.
> > 
> > I use a static IP address setup for eth0 on COX@HOME and run a DNS
> > server to be able to lookup names, because I can't get it connected to
> > COX any other way without knowing their DNS server addresses. (I lost
> > the paper and they don't give them out anymore, they want you to use
> > DHCP which incidentally I can't get to work right either)
> > 
> > Anyways, right about here is where I am confused on what to do next to
> > get it to forward packets and masquerade or how to configure it as a
> > router of anytype.
> > 
> > I'm using Slackware 8.0 with a newly compiled 2.4.5 kernel with
> > support for NAT, routing and many other options that I knew I needed
> > in setup.
> > 
> > I've read through the many HOWTOs, and other Guides at the LDP
> > website, on routing and firewall setup and a lot of it is for Redhat
> > which is enough of a difference to confuse me even more.
> > 
> > Does anyone have any knowledge they could pass me, have a setup like
> > this yourself that you could share your experiences, or just have some
> > advice for me?
> > 
> > oh yeah, I have a hub that I was planning on setting up like this:
> > 
> > Two windows 2000 machines going through a hub, which connects to the
> > linux machine through an up port which is connected to the Cable modem
> > with the other card.
> > 
> > I want to be able to share files through the two windows machines, and
> > even networked drives, but not with the linux machine at all, just
> > those two machines.
> > 
> > I did not install samba support because since this was the case I
> > didn't think it would be needed.
> > 
> > Ok, where do I start?
> > 
> > ------------------------------------------------------------------
> > J e f f  B a r k e r
> > 
> > Stickboy Productions
> > http://www.stickboyproductions.com
> > jeff@stickboyproductions.com
> > home:  602.992.4478
> > work:   480.315.4325
> > fax:      480.315.4003
> > ------------------------------------------------------------------
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