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Re: Masquerading problem with ADSL




These sites don't work for me at all.

Alex Rier wrote:

> Hi,
>
> Unfortunatly I have exactly the same problem.
> I can add to your description that www.bezeq.co.il and www.012.net.il work
> just fine.
> (I use 012 ADSL ISP).
> Somebody said that Actcom doesn't have this problem.
>
> Alex Rier                  | ICQ:              96993521
> CEO                        | Tel:        +972-52-442549
> Breakthrough Ltd.          | FAX:        +972-3-5364060
> http://www.sysadmin.co.il  | mailto:alex@sysadmin.co.il
>
> > -----Original Message-----
> > From: linux-il-bounce@cs.huji.ac.il
> > [mailto:linux-il-bounce@cs.huji.ac.il]On Behalf Of Eyal Harpaz
> > Sent: Friday, April 13, 2001 3:08 PM
> > To: linux-il@cs.huji.ac.il
> > Subject: Masquerading problem with ADSL
> >
> >
> >
> >
> > Hello,
> >
> > I have successfully connected to the ISP using the ADSL-HOWTO on iglu, but
> > I am unable to masquerade any HTTP (specifically HTTP, everything else
> > works OK) connections.
> >
> > I am using a 2.4.3 vanilla kernel, with iptables.
> > I issue
> >
> > [root@RedGhost /root]# iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -i
> > ppp0 -j MASQUERADE
> > [root@RedGhost /root]# echo 1 > /proc/sys/net/ipv4/ip_forward
> >
> > After which all my client machines ( Win2k and win98 ) can successfully
> > ping to the internet, use irc, ftp and everything EXCEPT http.
> > When I try to use HTTP I can see the information leave (via tcpdump) and I
> > can see that there is a reply from the http server, but it never reaches
> > the client machine.
> >
> > On the linux box itself every network service works, so I think that this
> > is a masquerading problem.
> >
> > I get the exact same behaviour using ipchains on a 2.2.16 kernel.
> > The distribution I am using is Redhat 7.0.
> >
> > The one thing that really bothers me is that when I telnet to a HTTP
> > server, say yahoo, on port 80, and I issue an INCORRECT request, I get the
> > error on the client machine correctly.
> > If I telnet on port 80 and issue a correct request then it waits about 2-3
> > minutes, after which I get all the information.
> >
> >
> > Any ideas, anybody?????
> >
> > Thanks,
> >
> > Eyal
> >
> >
> >
> >
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