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Re: Redirects from www servers

From: Niklas Wiberg <e95_nwi@it.kth.se>
Date: Fri, 09 Jun 2000 11:16:15 +0200
To: Yves Lafon <ylafon@w3.org>
Cc: www-jigsaw@w3.org
Message-ID: <3940B5DF.3ECAFBB0@it.kth.se>
Hello and thanks,
I tried with the 20000608 2.0.4 classes but unfortunately with the same
result. I don't think it's a cookie problem, since the cookie seems to
be there in all requests and responses.
I put up some HTTP traces taken from ethereal's "follow tcp stream".
These are at:
The trace was taken on "the Internet side" of the proxy (Jigsaw <-->
origin server). I guess these traces are more relevant than from the
client side...
I replaced my username and password with "mylogin" and "mypassword" in
the traces.
The traces are named as the order they were captured (1.txt, 2.txt
etc.), beginning with my first POST of login and password.

What happens is this:
A. I go to the login page.
B. I submit username and password.
C. I get back a page that wants me to enter password. No form entry for
username. I submit the password again.
D. I get the page from C again.

If I try to write the wrong password (at B or C), I still get the page
from C but also saying "wrong password" (or similar).

Best regards
Niklas Wiberg

Yves Lafon wrote:
> On Wed, 3 May 2000, Niklas Wiberg wrote:
> > Hello,
> > I use Jigsaw 2.0.4 as a proxy. When I try to log in to some personal
> > pages at yahoo, e.g. edit.my.yahoo.com, I get redirected back to the
> > login page when my traffic goes through the proxy. If I log in without
> > going through the proxy, I'm logged-in properly...
> > It seems as if the yahoo-server responds with a 302 found when the
> > request comes from the Jigsaw proxy, but with a 200 OK when the request
> > is direct.
> > The requests sent to the server (directly and from the proxy) looks
> > roughly the same to me, apart from the 'Via' header (which doesn't show
> > a fully qualified DNS name, but rather an internal one-word hostname).
> > Can anyone see a particular reason for this behavior from a web server?
> Sorry for the delay
> Was there some cookie that may have been eaten? I remember that there was
> a fix with Set-Cookie, related to that. But it seems to be before 2.0.4,
> anyway, try with http://jigsaw.w3.org/Devel/classes-2.0/20000608/ which is
> quite close to an upcoming 2.0.5.
> Do you have a trace handy? like a text tcpdump of the request sent?
> I used my.yahoo.com through the proxy, and it works well...
> Regards,
>       /\          - Yves Lafon - World Wide Web Consortium -
>   /\ /  \        Architecture Domain - Jigsaw Activity Leader
>  /  \    \/\
> /    \   /  \   http://www.w3.org/People/Lafon - ylafon@w3.org
Received on Friday, 9 June 2000 05:18:08 UTC

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