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Re: Unknown problem connecting



This is very complete! Thanks.

I should have called this off earlier, however; I sent a messge that apparently went
to the writer only, not to the list. I did not have /etc/resolv.conf set right,
although I _thought_  I did! So thanks everyone!

Chris Joyner

Jeff Gordon wrote:

> On Wed, Apr 05, 2000 at 07:11:16AM -0400, J. Hartzelbuck wrote:
>
> > Using Debian, I've installed wvdial and can connect very nicely, but
> > commands issued don't do anything! Ping doesn't respond, lynx doesn't
> > respond. I'm new to all this, so don't know where I might be going
> > wrong. Can anyone give any pointers?
>
> (Hi, Chris.)  I think you're saying you've made a modem connection to
> Internet using wvdial, but then can't get any further?
>
> Do you have a ppp connection established?  Is there a default route?
>
>   netstat -r
>
> ...should show 'default' and 'ppp0', if so.
>
> Do you have ip_forwarding turned 'on'?  Try:
>
>   cat /proc/sys/net/ipv4/ip_forward
>
> ...and you should get a result of '1'; if you don't, do:
>
>  echo "1" > /proc/sys/net/ipv4/ip_forward
>
> ...and that'll put it there.  Do you have "policy" rules that are set
> to reject packets moving in or out of your own system?  Do:
>
>   ipchains -L
>
> ...to find out; if the 3 groups, "input", "output" and "forward" all
> show a policy of "reject" (which is their default), you'll wanna change
> that.  If you're running a standalone system, you probably can do
> blanket 'accept' statements and not be leaving your system open to
> attack from "the outside world":
>
>  ipchains -P input ACCEPT
>  ipchains -P output ACCEPT
>  ipchains -P forward ACCEPT
>
> ...will do that; it's likely you'll need to do that again, next time
> you reboot.
>
> And that's about -all- I know about this. :-)  If there are finer
> points to it that should be added, maybe someone else will join in here
> and let us know...?
>
> --
>
>  -- Jeff --   <http://www.wellnow.com>
>
>  "There's nothing left in the world to prove.  All that's worth doing
>   is to love one another, using whatever means are available to serve."
>
> --
> Unsubscribe?  mail -s unsubscribe debian-user-request@lists.debian.org < /dev/null




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