RE: HTTP request working via hostname but not via IP address

From: Admin.mmm (admin.mmm@iinet.net.au)
Date: Mon May 08 2006 - 11:00:50 EDT


Check you get a forward and reverse DNS lookup that match.

Sometimes you can get the hostname return the correct IP, but the IP
resolves to the wrong address.

J

-----Original Message-----
From: Arjun Venkatraman [mailto:arjunishere@gmail.com]
Sent: Monday, May 08, 2006 7:56 PM
To: javier@liendo.net
Cc: pen-test@securityfocus.com
Subject: Re: HTTP request working via hostname but not via IP address

Hey Javier,

The IP i'm trying to reach IS one of two IPs which correspond to a
virtual adress, but this is on an internal network, so the IP I am
aiming for is definitely not virtual.
Any other possibilities?

Cheers
Arjun

On 5/8/06, Javier Liendo <javier@liendo.net> wrote:
> hello arjun
>
> check if the website is a virtual website...most probably it is and
> that is the reason you can only get at it with the hostname and not
> the IP address...
>
> regards
>
> javier
>
> On 5/5/06, Arjun Venkatraman <arjunishere@gmail.com> wrote:
> > Hi all,
> >
> > I have a pretty basic sort of problem. While sending an HTTP request
> > to a machine using a VBScript, when I mention the hostname in the URL,
> > the request goes through smoothly. However, when I mention the IP
> > address explicitly, the request does not go through. I have confirmed
> > he IP address multiple times to make sure the error is not a typo.
> >
> > If the machine name had not been accessible, I would have concluded
> > that the DNS query was the problem. But with the hostname working and
> > the IP not working I am stumped.
> >
> > Any ideas?
> >
> > Cheers
> >
> > Arjun
> >
> >
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This List Sponsored by: Cenzic
Concerned about Web Application Security? 
Why not go with the #1 solution - Cenzic, the only one to win the Analyst's 
Choice Award from eWeek. As attacks through web applications continue to
rise, 
you need to proactively protect your applications from hackers. Cenzic has
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And, now for a limited time we can do a FREE audit for you to confirm your 
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This List Sponsored by: Cenzic
Concerned about Web Application Security? 
Why not go with the #1 solution - Cenzic, the only one to win the Analyst's 
Choice Award from eWeek. As attacks through web applications continue to rise, 
you need to proactively protect your applications from hackers. Cenzic has the 
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managed service (Cenzic ClickToSecure) or an enterprise software 
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And, now for a limited time we can do a FREE audit for you to confirm your 
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