Re: Company Firewall's IP Address

[Edward N Schofield <shuffle3 () insightbb com>]

Tony,
Yes, that is a lousy advertisement designed to panic people into 
stampeding to their site. I got the same message on my home PC. The sad 
fact is that I agree with your IT manager. If you're going to do any 
communication with the world, you have to have someplace for the world 
to send messages to. There has to be an external IP address. What 
Checkpoint does is screen what comes into your organization from your 
external interface. You would have to look at your Checkpoint rule base 
to determine the sites it is blocking, if any. Most organizations let 
email come through the firewall to the corporate users and let them use 
the delete button. There are some commercial services that you can 
subscribe to in order to block categories of sites, but you pay good 
bucks to them for taking your headaches. Yes, this is how worms like 
Klez and viruses get around companies so quickly, but try to sell 
executive management on restricting their email access.
My $.02

Ed Schofield


tony tony wrote:

> I was doing security research on the internet at work yesterday....when all of
> a sudden I got a pop up advertisement that stated that I was broadcasting my IP
> address to the entire internet.  It then showed a screen with my IP address
> which was the the external IP interface of one of our companies firewalls. 
>
> It just bothers me that someone would be able to determine the IP address of
> our firewall that easily.  It seems to me that our firewall should operate in a
> more stealth mode.  Our firewall administrator said it is not technically
> possible to do this.  What is your take?…I am not a checkpoint firewall guru…so
> I do not know.   All I know is that if I was a hacker, I would love to hammer
> away on an ip address that represented a firewall. 
>
> Click on the following to learn more about this pop up site. 
>
> http://www.bonzi.com/internetalert/ia99m.asp
>
>
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