On Mon, 23 Apr 2001, Network Operations wrote:
> This actually has a lot of relevance since dword conversion is a convenient way to
>subvert many of our security systems.
I wonder just how many porn filters this method gets past as well. Or how
many users can be tricked into going to porn sites by individuals who want
to sabotage the competition.
Interesting variation on a "denial of service attack". ("Sorry, there is
no one to help you. They all got fired for surfing porn sites.")
>
> >>> "Mike Fetherston" <[EMAIL PROTECTED]> 04/23 2:24 PM >>>
> For something that was first marked as being off topic this thread sure got
> a lot of play. :)
>
> mike.
>
> ----- Original Message -----
> From: "Carl E. Mankinen" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Sent: Monday, April 23, 2001 4:35 PM
> Subject: RE: [OT] Who can explain this address scheme?
>
>
> > FYI, the dotted-quad notation is merely for human readability sake
> > (makes it easier for us to figure out subnets etc. can't wait for IPv6)
> >
> > Actual IP addresses are processed in their true 32bit value nature
> > when routers make routing decisions etc etc. When you type in a value
> > in the URL in your browser, it simply skips all the gethostbyname() calls
> > and fires off a packet to that actual address.
> >
> > Fire up a binary calculator and put in the decimal value, then switch
> > to hexadecimal, seperate out the four alphanumerics, then write them
> > each in decimal. There is your dotted quad notation.
> >
> > Suggested reading: TCP/IP Illustrated by Stevens and Wright.
> >
> > As others have suggested, the only reason people use URL's like that is
> > a silly attempt at hiding their address and making it harder for people
> > to complain to the right authority.
> >
> >
> > At 10:19 AM 4/23/2001 -0700, Jesus Gonzalez wrote:
> > >Hi All,
> > >
> > >I know this is off topic, but you all seem to be experts in IP and
> routing
> > >in general.
> > >I've received a few e-mails with http links pointing to some unusual
> > >addresses. It works, but the address is not a standard xxx.xxx.xxx.xxx,
> > >rather a single string of numbers.
> > >For example, I received an e-mail with a link to this address:
> > >http://3510483697/
> > >It's a website for a hosting service. But HOW is that possible? How are
> > >those numbers translated to cobentional addressing schemes, or do they
> have
> > >to be?
> > >I'm just REALLY curious, and it bugs me that I don't know.
> > >
> > >Thanks again in advance!
> > >-
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> > >
> > >
> > --
> > We will fight for bovine freedom, And hold our large heads high.
> > We will run free, with the buffalo or die! Cows with Guns.
> > - Dana Lyons, Cows With Guns
> > Nick Simicich mailto:[EMAIL PROTECTED]
> > http://scifi.squawk.com/njs.html -- Stop by and Light Up The World!
> > -
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