🚀 go-pugleaf

I think I might have answer for your problem.. I have same problem here
(using Sympatico service in Toronto)

I read somewhere in the IP Masq (it is somewhere in the doc of IP Masq,
don't ask me for direct quote) that the IP Masq code that is now
distributed has problems with different MTU settings. Roughly what I
understood from it is that it has problems handling the DF (don't fragment)
packets on the lines where MTU is set to something other than 1500. Since
the PPPOE seems to set MTU to 1492, and your network will probably run on
MTU of 1500, the packets that travel with DF flag from your computer to the
network might never get out, and get dropped. I observed this behaviour
with my network (used: tcpdump -i ppp0). I just see the SYN from my
computer going out, SYN from them coming in (with DF flag) ... and....
wait.... till the timeout. Sometimes the site will indeed send some 2 or 3
kb (also with DF flag) of data before it will go into the state of waiting.
And sometimes the site will continue sending data (no DF flags) normally.

I have for now completely resigned from getting the masquerading from
working until kernel 2.4 comes out (hopefully they might fix the problem...
I am not so good C programmer to attempt this myself (besides exams are
more pressing matter). Instead I am running squid, and Leafnode for news
plus some nifty IMAP server to get all my e-mail accounts under one roof.

I hope this will help solve something..

Leszek.

Dave wrote:

> RH Linux 6.1 as my masq server. It connects to my dsl provider using a
> PPP over Ethernet
> software called NTS.  Everything from the linux box is fine... I can
> browse anything in and out
> of my home network. Now, from my Win98 machine, I can get to anything
> inside the home network.
> I can even browse about 25% of the sites I try on the internet. The
> problem is the remaining 75%.
>
> I have a feeling it is a deliberate limitation with NTS. I know that it
> is imposible to share connections
> in win 95/98/NT using the win version of NTS.
>
> I would like to know if anyone has had a similiar experience and what
> they have done to remedy
> the problem.
>
> I followed the directions for the 2.2.x kernels in the masq howto.
> <http://metalab.unc.edu/mdw/HOWTO/IP-Masquerade-HOWTO.html>
>
> Thanks,
> Dave