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Date: Mon, 11 Dec 2000 05:29:59 +0800
From: Feisal Umar <afu@webcraft99.com>
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Subject: Re: Trouble Connecting To HTTP-AUTH services with IPFILTER
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I managed to get the following output only on one of the Linux
workstations behind the dial-up gateway.
<HTML><HEAD><META HTTP-EQUIV="REFRESH" CONTENT="0" URL="</BODY></HTML>

The same URL produced a login/password authentication box of phpMyAdmin
which I seem to able to connect from anywhere else except my home
dial-up link.

Am at lost here. :(

Feisal Umar wrote:
> 
> Hi.
> 
> Has anyone ever coming across the aforementioned problem above?
> The HTTP-AUTH services (I don't know if I've termed it correctly) are
> the server-side enabled login/password pages, something like Apache's
> htaccess/htpasswd password-protected pages. When I try to open the pages
> in the browser, I get a blank output on ther server, on and on and on
> .....
> 
> The particular sites I'm having problems connecting to are actually 2
> other servers which are running phpMyAdmin, and am trying to access the
> login pages. I recalled having the same problem accessing some other
> sites as well previously. I just can't seem to be to connect from home
> (dial-up through tun0 on a FreeBSD4.2 proxy/GATEWAY with IPFILTER/IPNAT
> 3.3.8, squid2.3). I can confirm that I am able to connect to the 2 exact
> servers from elsewhere, so I guess my home setup is messed-up.
> Incidentally, bypassing the proxy gets me nowhere, except that 'ipnat
> -l' rapidly fills up with lots of outgoing connection.
> 
> Every other services seems to be working OK. ICQ, IRC, HTTP, etc.
> 
> Any tips/pointers/guidance on how to solve this?
> 
> Thanks in advance.
> 
> PS:
> I've attached a tcpdump output on the gateway's tun0 interface.
> (EXTSERVER1 and EXTSERVER2 are the external servers I was trying to
> connec to, while LOCALX is the public interface of my gateway i.e. tun0)
> 
> Addditionally,
> my ipnat.rules are:
> 
> map tun0 192.168.1.0/24 -> 0.0.0.0/32 portmap tcp/udp 20000:30000
> map tun0 192.168.1.0/24 -> 0.0.0.0/32
> 
> --
> Feisal Umar
> Webcraft Sdn Bhd - http://www.webcraft99.com
> 
> I don't care for the Sugar Smacks commercial. I don't like the idea of a
> frog jumping on my Breakfast. -- Lowell, Chicago Reader 10/15/82
> 


-- 
Feisal Umar
Webcraft Sdn Bhd - http://www.webcraft99.com

The revolution will not be televised.


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