Re: Re: disable referer ? (was: Framed & Linked Content)

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On Thu, January 31, 2008 1:19 am, Per Jessen wrote:
> Richard Lynch wrote:
>
>> On Tue, January 29, 2008 12:48 pm, Per Jessen wrote:
>>> Robert Cummings wrote:
>>>
>>>> Actually, now you made me think on it... the primary reason I
>>>> disable
>>>> referrer logging is because it will also pass along lovely
>>>> information
>>>> such as any session ID embedded in the URL. So if you happen to
>>>> get
>>>> on
>>>> a malicious site, they could access the account from which you've
>>>> come.
>>>
>>> Hmm, interesting idea.  I wonder if the sessionid isn't tied to the
>>> IP-address even when it's part of the URL?
>>
>> It CANNOT be tied to the IP address, because most users' IP
>> addresses
>> are not static.
>
> I think it is for the duration of the session. Mine certainly is.

Yours might be.

AOL users are *NOT*.

In peak periods, an AOL users' IP address with change with every HTTP
request.

Further, large corporate users will ALL appear as a single IP address.

>> Google for "session hijacking" for more info.
>>
>>> Still, I can't help thinking that if this is a serious problem, it
>>> would have been dealt with long ago.
>>
>> War is a serious problem.
>>
>> So is murder.
>>
>> So is people cutting me off in traffic. :-v
>>
>> None of them have been dealt with effectively yet.
>
> Sure it has - nobody cuts me off in traffic here. :-)
>
> Regardless, I did some googling and read a bit about session hijacking
> and such.  I still don't see much of a serious problem.  When Firefox
> switches off REFERER by default, we can talk again.

Suppose only 0.1% of the Internet users have REFERER off.

You say "That's not much.  0.1%"

Now suppose there are a billion people who use the Internet.

What is 0.1% of a billion?

Do the math.

If you have even a few thousand visitors, you are likely getting at
least a few that have no REFERER...

-- 
Some people have a "gift" link here.
Know what I want?
I want you to buy a CD from some indie artist.
http://cdbaby.com/from/lynch
Yeah, I get a buck. So?

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