Re: New feature proposal: IP address fixing

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All,

Christopher Schultz wrote:
| I'm considering adding another feature to the 2.x version of
| securityfilter. Let me know what you think.
|
| Some web sites allow you to enable "IP address checking" or something
| sounding like that. Basically, your session will be tied to your IP
| address for extra security. That way, even if someone can guess your
| session id and submit it along with a request, they can't hijack your
| session.

After implementing this, I'm starting to think that maybe it would be
better to implement it separately (say, as a completely separate Filter).

First, it's entirely orthogonal to both authentication and authorization
(which is what sf is really for). Second, it requires additional
processing of every request, which results in a (small) performance hit.
Even offering this as an optional feature requires checking a flag for
whether we should perform the check, etc.

Honestly, I think this kind of pollutes sf. The only reason I was even
considering it was because it sort of goes along with authorization, but
in a completely different way.

I'm not entirely objecting to inclusion in the project... I just think
it should probably be put into a separate Filter that can be configured
completely separately from the main sf Filter.

Any thoughts?

Thanks,
- -chris

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