Firewall Wizards mailing list archives

Re: 2nd Life


From: "Paul D. Robertson" <paul () compuwar net>
Date: Fri, 9 Nov 2007 09:04:43 -0500 (EST)

On Tue, 6 Nov 2007, DRISCOLL, ROBERT wrote:

Hello,

I wanted to get some feedback on a request to allow Second Life through
our network.  I was hoping that perhaps someone has experience with this
application and can let me know what steps they took to mitigate the
risks.

Management is pushing pretty hard for this and they have persuaded our
Risk Management group to move forward with a possible solution. So
simply denying this is not an option.

I've always been a big fan of "walk your behind over to that PC in the 
corner that's not on the internal network to do that thing I don't like."


I was hoping to use a bastion host setup behind a firewall, running
either Citrix or Remote Desktop. But I haven't tested network
performance for the client application or performance issues with
multiple users accessing the same machine.

Make them budget one extra machine per user, that way it'll be easy to 
implement and they'll get to do a cost/benefit analysis too.


Of course direct client access appears to be a gaping hole as second
life requires...
TCP/443
TCP/12043
UDP/12035-12036
UDP/13000-13050

Then depending on whether or not we are forced to allow voice traffic
through 
TCP/80
TCP/443
TCP/21002
UDP/12000-13000
UDP/5060
UDP/5062

At that point, what's the reason for having a firewall?

Paul
-----------------------------------------------------------------------------
Paul D. Robertson      "My statements in this message are personal opinions
paul () compuwar net       which may have no basis whatsoever in fact."
             http://www.fluiditgroup.com/blog/pdr/

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