Great Circle Associates Firewalls
(July 1995)
 

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Subject: Re: X11
From: Brent @ GreatCircle . COM (Brent Chapman)
Date: Mon, 17 Jul 1995 18:17:57 -0800
To: "Philip J. Nesser" <Pjnesser @ rocket . com>, Firewalls @ greatcircle . com

At 4:06 PM 7/16/95, Philip J. Nesser wrote:
>Quick question.  If I am filtering out all TCP connections which originate
>outside the firewall via the ack bit, is there any reason to explicitly
>block the 2000/6000 range for openwindows and X11,

No.

>ie xclients trying to
>connect through the router should be blocked anyway, correct?

Correct.


-Brent

--
Brent Chapman         | Great Circle Associates  | For Firewalls Tutorial info:
Brent @
 GreatCircle .
 COM | 1057 West Dana Street    | Tutorial-Info @
 GreatCircle .
 COM
+1 415 962 0841       | Mountain View, CA  94041 |
http://www.greatcircle.com



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