[Leaf-user] No firewall / more networks

2002-02-27 Thread brooksp

Kindest greetings,
Can anyone help me out and give me some information on the following two
points.
I currently run Dachstein CD and it works a treat, fair play to all
involved.
Firstly,I want to know if it is possible to run as a general router without
firewalling.
And secondly, if it is possible to route between 3or4 different networks,
and if so, how can it be done?
Does setting the IP Filter Switch to 'router' in network.conf disable the
firewall scripts?
Any help on details of how to add settings for more eth cards in
network.conf would be appreciated.
Only static IP addresses will be used and the box will be firewalled from
the internet.

Thanks in advance,

Paul.


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Re: [Leaf-user] No firewall / more networks

2002-02-28 Thread Charles Steinkuehler

> Kindest greetings,
> Can anyone help me out and give me some information on the following two
> points.
> I currently run Dachstein CD and it works a treat, fair play to all
> involved.
> Firstly,I want to know if it is possible to run as a general router
without
> firewalling.

Absolutely

> And secondly, if it is possible to route between 3or4 different networks,
> and if so, how can it be done?

You can route between as many network connections as you configure your
machine for.  I've run several Dachstein routers/firewalls with 5 10/100
Ethernet ports.

> Does setting the IP Filter Switch to 'router' in network.conf disable the
> firewall scripts?

Not entirely...you'll still have some address spoofing protection, and
traffic that shouldn't be crossing the internet (private IP's, all
zero's/one's, &c) will be dropped.

If you don't want any packet filtering, set the IP filter switch to "none".

> Any help on details of how to add settings for more eth cards in
> network.conf would be appreciated.
> Only static IP addresses will be used and the box will be firewalled from
> the internet.

To add interfaces, just create additional ethX_* settings (ie eth2_IPADDR,
...), and add the interface to the IF_AUTO list so it will get configured
automatically.

Also, set:
IPFILTER_SWITCH=none
and
IPFWDING_KERNEL=YES

This will get you a multi-port router.  If you need to add any static
routes, you can do so with the ethX_ROUTES setting.  Let's say you get to
the remote 10.2.0.0/24 network via a router at 10.1.0.4, which is attached
to eth3.  Add the following to your eth3 configuration to make a static
route:
eth3_ROUTES="10.2.0.0/24_via_10.1.0.4"

Charles Steinkuehler
http://lrp.steinkuehler.net
http://c0wz.steinkuehler.net (lrp.c0wz.com mirror)


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