Re: (PM) RE: ISDN ondeman problems. NO fileter works

Josh Richards (jrichard@livingston.com)
Sat, 28 Feb 1998 10:35:06 -0800 (PST)

On 26 Feb 1998, Fernando Martin wrote:

> Hi ,
>
> Thank you.
> I tired your filter :
>
> add filter fer
>
> set filter fer 1 deny 0.0.0.0/0 0.0.0.0/0 udp src eq 513
> set filter fer 2 deny 0.0.0.0/0 0.0.0.0/0 udp src eq 138
> set filter fer 3 permit 0.0.0.0/0.0.0.0/0 tcp
>
> Set location romero ofilter fer

This is wrong, this should be a ifilter (input filter). I'd put it on the
ether0 interface also.

>
> Save all
> reboot
>
> Problem:
>
> My on-demand router continues redialing.
> The router is on a TCP/IP and netbeui network.
> May be a UDP or TCP request?
>
> I tried to put only a PC with a IP of the same network that the router but
> without gateway, so no PC can send pakets to the router. Only a PC can
> connet the router.

It is most likely broadcast traffic, so makes no difference. You also
don't need a gateway for two devices on the *same* network to talk to each
other.

>
> But nothing, the same problem the router calls . There is not any rule (
> every x minutes...)
> is it possible to know the IP that actives the call? This way we could see
> the source.

add filter d
set filter d 1 deny 0.0.0.0/0 0.0.0.0/0 tcp dst eq 23
set filter d 2 deny 0.0.0.0/0 0.0.0.0/0 tcp src eq 23
set filter d 3 permit 0.0.0.0/0 0.0.0.0/0

set cons
ptrace d extend

----
Josh Richards - <jrichard@livingston.com> - [Beta Engineer]
LUCENT Technologies - Remote Access Business Unit
(formerly Livingston Enterprises, Inc.)
http://www.livingston.com/

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