Re: How do I find my local IP assigned by my ISP when using pon, etc?
On 28 Jul 2001, Randolph S. Kahle <RandyKahle@KahleAssociates.com> wrote:
>On 28 Jul 2001 19:01:07 +0200, Philipp Lehman wrote:
>> On 28 Jul 2001, John Hasler <john@dhh.gt.org> wrote:
>>
>> >Randy writes:
>> >> The user will be able, from a user account, do a pon, poff, etc. to
>> >> connect to the ISP. So, my challenge is to have the scripts run from
>> >> user level security and install the firewall rules.
>> >
>> >> How do I do this?
>> >
>> >The scripts in /etc/ppp/ip-up.d and /etc/ppp/ip-down.d are run when ppp
>> >comes up and goes down respectively. They are run by pppd and so run as
>> >root no matter who ran pon and poff.
>>
>> Alternatively, he could use the interface as a filter target instead
>> of the IP address. Should be fine on stand-alone machine with a single
>> external interface.
>
>
>Oh! I did not know I could do that. Are you saying that I could have the
>ipchain rules read.
>
>$IPCHAINS -A tcpOutB -p tcp -s $NETWORK_PRIVATE $PORTS_UNPRIV \
> -d ppp0 $PORTS_WWW -j ACCEPT
That's basically right, although you should check 'man ipchains' for
the correct syntax (it's '-i ppp0').
--
Philipp Lehman <lehman@gmx.net>
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