Re: If you're on LinkedIn, and you use a smart phone...

[Jimmy Hess <mysidia () gmail com>]

On Sun, Oct 27, 2013 at 1:19 PM, Jay Ashworth <jra () baylink com> wrote:

> Alas, it can't.  Using it against LI would work, cause you have a hope of
> knowing what address space their proxies are in.

LI's behavior is unique.  LI is probably the only one you need to detect.


> You can't do that generically, unless you somehow whitelist the IPs your
> users will be validly coming from, or figure out a way to determine what
> client is connecting.

This may be easier than you think,  if remote account access is allowed
only using Web-based mail, and company managed mobile devices.
 Whitelist the  cell carrier's  mobile network, using ActiveSync.

An IMAP connection attempt from anywhere is immediately suspect.



> -- jra
--
-JH