Newbie: Configuring openbsd firewall

Newbie: Configuring openbsd firewall

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Subject Author Date
Newbie: Configuring openbsd firewall Kellylawyer 04-03-2005
Posted by Kellylawyer on April 3, 2005, 7:01 pm
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Hi Everyone,
I am very new to openbsd and need some help on a project im workings
on. Ive included a diagram of the network im trying to set up and while
it may look stupid, i need it for a particular purpose:)

So far: Ive installed openbsd on my machine that has 3 interfaces,
allowed ipforwarding, and put pf=YES

The problem: im logged into the machine and am trying to ping yahoo.com
...it doesnt work.

I need: could someone please indicate all the configurations/setting i
would need to include/check for this to work. all the relevant data is
below
I took a long time to draw the diagram..so pleeeez respond:)

Thank you so so much in advance for any help you can give me!

Kelly

- external gateway: 62.12.xx.xx(if i were to be connected in front of
the wireless router)
- static IP allocated to me :68.xx.xx.xx (shown in diagram)
- Three interfaces:
        1) rl0 : connects to wireless router
        2) fxp0: 192.168.0.1
        3) rl1 : 192.168.1.1

|internet|--|DSL Modem |--|Wireless Netgear|------(housemates
                         |router with Nat | computers')
                          |10.0.0.1
                                 |
|
|rl0 / 68.xx.xx.xx
---------
OpenBSD |------------------|switch|
                         firewall|fxp0/192.168.0.1 |
---------- |
                         |rl1/192.168.1.1         |
                                 |                         |
                                 |                 Computer 1
                                 |                 192.168.0.8
         computer 2
                         192.168.1.2



Posted by Eirik Seim on April 4, 2005, 5:08 am
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On 3 Apr 2005 19:01:15 -0700, Kellylawyer wrote:
> Hi Everyone,
> I am very new to openbsd and need some help on a project im workings
> on. Ive included a diagram of the network im trying to set up and while
> it may look stupid, i need it for a particular purpose:)
>
> So far: Ive installed openbsd on my machine that has 3 interfaces,
> allowed ipforwarding, and put pf=YES
>
> The problem: im logged into the machine and am trying to ping yahoo.com
> ..it doesnt work.
>
> I need: could someone please indicate all the configurations/setting i
> would need to include/check for this to work. all the relevant data is
> below
> I took a long time to draw the diagram..so pleeeez respond:)

Well, I read your post, and it leaves me with some questions...

You are getting your 68.xx.xx.xx IP address routed through the
62.12.xx.xx router ... how? Some kind of tunnel? Do you see the
link LED on the network card(s) and switch/router? What do you
get from running 'arp -a' as root? Do you get any network
connectivity at all, or is it just pings to yahoo.com that won't
work?

--
New and exciting signature!



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