SUMMARY: Conditional Routing(or firewall)

From: Lars Bro <lbr_at_nettest.dk>
Date: Tue, 25 Jul 2000 10:44:12 +0200

Hi, all.

My question was as below: How to limit IP forwarding on a gateway.

Lars Bro wrote:
>
> Hi,
>
> We hava a corner of our network that looks like this:
>
> ----+--------+----------+----------+----------- - - - - common LAN
> | | | |
> +----+ +----+ +---+ +-+-+
> | A | | B | | C | | D |
> +----+ +----+ +---+ +-+-+
> |
> |
> ------+-----+---------+------------ - - - private LAN
> | |
> +----+ +-----+
> | D1 | | D2 |
> +----+ +-----+
>
> The hosts A, B, C and D are servers in our test department. Host D is
> a gateway between the common LAN and the test equipment D1 and D2.
>
> But I would like to ensure that ONLY host A, B and C can access
> D1 and D2 (and not all the other nosy people in the company).
>
> Do you have any suggestions on how to do this ? Can I just write into
> gated.conf on D which routs are valid or do I have to add specific
> firewall software ?

The problem was solved by using "screend(8)". Easy to use, worked
immediately.
Thanks to Nicola Milotinovic for this solution.

Also thanks to Udo de Boer and Ian Mortimer.

Yours,
--
What does a     Lars Bro
process need    GN Nettest A/S
to become a     Kirkebjerg Alle 90
daemon ?        DK-2605 Brøndby Denmark
 |||
 \|/  . ,       +45 72 11 22 00
  |  ( v )      +45 72 11 24 05 (direct)
  |\/  |        lbr_at_nettest.dk
  |  _/ \_
 ..a fork()
Received on Tue Jul 25 2000 - 08:46:45 NZST

This archive was generated by hypermail 2.4.0 : Wed Nov 08 2023 - 11:53:41 NZDT