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Remote Access Software (Wireless Devices)

From: Holstein, Michael <mholstein(at)doit.state.in.us>
Date: Tue Feb 25 2003 - 13:00:00 EST


As many of you are aware, several vendors (notably SprintPCS) make software available that permits access to corporate email and files from a wireless device.

It does this by connecting via SSL to an external server, then keeping the connection open with keepalives. This is a novel way to defeat a corporate firewall (a tactic also used by other security "holes" like GoToMyPC).

Understandably this is NOT a "cool idea" from a network security perspective, and I would very much like to block all of it.

Vendors are no help in this matter -- I have installed the SprintPCS software and sniffed the connection, identifying "bpce.sprintpcs.com" as the server. Has anyone else done this for the other vendors?

I would like to compile a list of destination names/addresses for each vendor so those who choose to close the holes for their network may do so with minimal effort.

Any contributions would be appreciated.

MH>


<Pre>Lose another weekend managing your IDS? Take back your personal time.
15-day free trial of StillSecure Border Guard.</Pre> <A href="http://www.securityfocus.com/stillsecure"> http://www.securityfocus.com/stillsecure </A> Received on Wed Feb 26 13:22:41 2003

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