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RE: Masquerading problem with ADSL
- To: <eyal5(at-nospam)isdn.net.il>, <linux-il(at-nospam)cs.huji.ac.il>
- Subject: RE: Masquerading problem with ADSL
- From: "Alex Rier" <alex(at-nospam)breakt.co.il>
- Date: Fri, 13 Apr 2001 16:24:42 +0200
- Importance: Normal
- In-Reply-To: <Pine.LNX.4.21.0104131556250.13666-100000@localhost.localdomain>
- Sender: linux-il-bounce(at-nospam)cs.huji.ac.il
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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