Very Computer

by **Jonathan Birchal** » Mon, 29 May 2000 04:00:00

Hi,

I am setting up a small intranet with one machine acting as the main
router and firewall.

This box connects to the internet via ppd and gets its address from the
ISP which is dynamically allocated.

The firewall must therefore be updated as and when a new IP address is
allocated by the server.
I am not sure how and where to put the commands to make this possible.

Any help would be appreciated and any further infomation can be supplied
upon request.

Thanks in advance
-------------------------------------------------------------------------
Jonathan A Birchall

The idea that Bill Gates has appeared like a knight in shining armour
to lead all customers out of a mire of technological chaos neatly
ignores the fact that it was he who, by peddling second-rate technology,
led them into it in the first place. (Douglas Adams)

by **Dale Van Bevere** » Mon, 29 May 2000 04:00:00

If you use ipchains that's not necessary. You can specify the input filter
by it's name(i.e. ppp0 eth0 etc.). Check out this HOW-TO
http://www.linuxdoc.org/HOWTO/IPCHAINS-HOWTO.html
Dale

> Hi,

> I am setting up a small intranet with one machine acting as the main
> router and firewall.

> This box connects to the internet via ppd and gets its address from the
> ISP which is dynamically allocated.

> The firewall must therefore be updated as and when a new IP address is
> allocated by the server.
> I am not sure how and where to put the commands to make this possible.

> Any help would be appreciated and any further infomation can be supplied
> upon request.

> Thanks in advance
> -------------------------------------------------------------------------
> Jonathan A Birchall

> The idea that Bill Gates has appeared like a knight in shining armour
> to lead all customers out of a mire of technological chaos neatly
> ignores the fact that it was he who, by peddling second-rate technology,
> led them into it in the first place. (Douglas Adams)

by **Jonathan Birchal** » Tue, 30 May 2000 04:00:00

Ok thats fine, no prbs there.

However, does kde and/or gnome use use ipup to control the start of the
ppp connection (kde uses kppd? I think).

Cheers Jon (still a little confused but getting there (I hope))

>If you use ipchains that's not necessary. You can specify the input filter
>by it's name(i.e. ppp0 eth0 etc.). Check out this HOW-TO
>http://www.linuxdoc.org/HOWTO/IPCHAINS-HOWTO.html
>Dale

>> Hi,

>> I am setting up a small intranet with one machine acting as the main
>> router and firewall.

>> This box connects to the internet via ppd and gets its address from the
>> ISP which is dynamically allocated.

>> The firewall must therefore be updated as and when a new IP address is
>> allocated by the server.
>> I am not sure how and where to put the commands to make this possible.

>> Any help would be appreciated and any further infomation can be supplied
>> upon request.

>> Thanks in advance
>> -------------------------------------------------------------------------
>> Jonathan A Birchall

>> The idea that Bill Gates has appeared like a knight in shining armour
>> to lead all customers out of a mire of technological chaos neatly
>> ignores the fact that it was he who, by peddling second-rate technology,
>> led them into it in the first place. (Douglas Adams)

-------------------------------------------------------------------------
Jonathan A Birchall

The idea that Bill Gates has appeared like a knight in shining armour
to lead all customers out of a mire of technological chaos neatly
ignores the fact that it was he who, by peddling second-rate technology,
led them into it in the first place. (Douglas Adams)

by **Clifford Kit** » Tue, 30 May 2000 04:00:00

> The firewall must therefore be updated as and when a new IP address is
> allocated by the server.
> I am not sure how and where to put the commands to make this possible.

Maybe you want the /etc/ppp/ip-up script, it's executed when IP comes
up for the PPP connection. Reading about that script in "man pppd"
can supply more detail.

--

/* Microsoft is a great marketing organization.
* It _has_ to be */

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