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Re: Linking a cookie to an IP address is a very bad in 2015...

Max Bruce <max.bruce12@gmail.com> Fri, 03 April 2015 07:16 UTC

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References: <D141A3E5.4146E%evyncke@cisco.com> <20150401114608.GA7832@1wt.eu> <04DD393C-711F-4C9E-B21C-B184B8972DFC@apple.com> <20150401150716.GA7871@1wt.eu> <25C792A9-56D0-452D-A46C-561A44E4F229@manico.net> <20150401151634.GB7871@1wt.eu> <CABb0SYQ5=5BHSH-JQ5XsCi_bQ8h5FN=WNPvAYkzy94Bm=yTVwg@mail.gmail.com> <551E3D00.5090501@mathemainzel.info>
Date: Fri, 03 Apr 2015 00:13:22 -0700
Message-ID: <CABb0SYQAOXRWL5TvD5H5g_4VDwLxF=6kzhmVgCSK8Pv7pq8Apw@mail.gmail.com>
From: Max Bruce <max.bruce12@gmail.com>
To: "Walter H." <Walter.H@mathemainzel.info>
Cc: Michael Sweet <msweet@apple.com>, "Eric Vyncke (evyncke)" <evyncke@cisco.com>, "ietf-http-wg@w3.org" <ietf-http-wg@w3.org>
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Subject: Re: Linking a cookie to an IP address is a very bad in 2015...
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When you say transmitting from host to server, what do you mean?
And yes, if I understand what your asking. It effectively compiled a random
hash, and then enforced an IP & user agent. I have recently removed the IP
enforecement though.

On Fri, Apr 3, 2015 at 12:10 AM, Walter H. <Walter.H@mathemainzel.info>
wrote:

>  On 01.04.2015 21:48, Max Bruce wrote:
>
> What about linking to several? I wrote a session system for my Web Server
> that will only allow access to the original Session ID if the IP &
> User-Agent has remained unchanged, in order to protect against session
> hijacking. I've found it's highly effective, unless you IP Spoof.
>
> what kind of mechanism do you use for transmitting the Session ID from
> host to server?
> does it prevent access from an ident configured but different host behind
> a NAT?
>

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