ppp and active-filter issues

[Bruno Wolff III]

On Fri, Jul 16, 2004 at 12:16:10 -0500,
  Bruno Wolff III <bruno at wolff.to> wrote:
> I had two problems with ppp while trying to make the idle timeout only
> count outbound packets.

I forgot system configuration details. I am running fc2, with ppp 2.4.2-2
and development kernel 2.6.7-1.471.

> 
> The first is that when I run pppd with an 'outbound' filter I get the
> error message:
> pppd: error in active-filter expression: inbound/outbound not supported on linktype 0
> 
> This makes it seem like it is checking the link type before the link is
> set up and so it 'outbound' isn't a valid filter rule because it is only
> valid for ppp and slip links.
> 
> The second problem was that I was using the options tab of the network
> configuration tool to add the option (as opposed to editing the appropiate
> config file directly) and I found that when I deleted the option (so
> that I could activate my ppp link) it didn't remove the option from the
> config file. I had to go in and manually remove it from the config file.
> 
> There is probably a way to make another test that will work, but since
> my ip address is dynamic it isn't obvious.
> 
> Without an active-filter the idle timeout feature is useless since my
> system gets probed much more frequently than what I want to use for a timeout.