Great Circle Associates Firewalls
(March 1996)
 

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Subject: Re: HTTP Proxy that can block ..
From: "Paul M. Cardon" <pmarc @ fnbc . com>
Date: Fri, 8 Mar 96 05:13:21 -0600
To: firewalls @ GreatCircle . COM
In-reply-to: <199603072303 . SAA19388 @ SPARKY . CF . CS . YALE . EDU>
References: <199603072303 . SAA19388 @ SPARKY . CF . CS . YALE . EDU>
Reply-to: pmarc @ fnbc . com

My mailer insists that long-morrow @
 CS .
 YALE .
 EDU wrote:
> "Bill Putney" <brogers @
 integctr .
 com> has made the changes necessary
> to the wwwblock 1.2 version WWW proxy filter agent I wrote to
> filter out enough of the JavaScript (function declarations) to
> disable it.
> 
> N.B. According to Bill, enabling the JavaScript filtering in the
> app level proxy has a noticable impact on performance though.

That is one of the reasons why I want to filter based on the browser type.  The performance impact of filtering the JavaScript itself would probably be unacceptable, especially since the number of users of Navigator 2.0 is still a small minority at this point.


---
Paul M. Cardon
System Officer - Capital Markets Systems 
First Chicago NBD Corporation

MD5 (/dev/null) = d41d8cd98f00b204e9800998ecf8427e


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