RE: ISAserver.org - Review of SurfControl Web Filter 5.0 for ISA Server 2004

  • From: "Greg Mulholland" <greg@xxxxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Fri, 18 Mar 2005 13:15:04 +1100

Ara

You might want to read this 

http://www.ericgiguere.com/articles/how-to-detect-firefox.html

There is a good link to the http header viewer artcile and also "masquerading 
your browser" article.

Cheers

Greg 

-----Original Message-----
From: Ara [mailto:ara@xxxxxxxxxxxxx] 
Sent: Friday, March 18, 2005 11:46 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISAserver.org - Review of SurfControl Web Filter 5.0 for 
ISA Server 2004

http://www.ISAserver.org

Hi Tom,
So there are no official headers posted by Microsoft but I think this will help 
to get around it. 
Is there any way to create a rule that checks for header and only replies to 
internet explorer requests and nothing else?
Thank you

-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Thursday, March 17, 2005 2:27 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISAserver.org - Review of SurfControl Web Filter 5.0 for 
ISA Server 2004

http://www.ISAserver.org

Hi Ara,

I'd have to do a NetMon trace, but it should be fairly easy. I don't run 
Firefloss or any alt.warez browsers here, so I'm not able to test it right now. 
If you take a quick NetMon on the internal interface of the ISA firewall and 
save it and send to me, I'll tell you real quick.

HTH, 


Tom
www.isaserver.org/shinder
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls


-----Original Message-----
From: Ara [mailto:ara@xxxxxxxxxxxxx]
Sent: Thursday, March 17, 2005 12:07 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISAserver.org - Review of SurfControl Web Filter 5.0 for 
ISA Server 2004

http://www.ISAserver.org

Tom,
Very good choice but where can I find signatures for other browsers? I have 
followed this link and it only provides IE, or can I create a rule that client 
header has to be IE?

________________________________________
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Thursday, March 17, 2005 8:04 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: RE: ISAserver.org - Review of SurfControl Web Filter 5.0 
for ISA Server 2004

http://www.ISAserver.org
Hi Ara,
 
Another solution might be to configure the HTTP security filter to block the 
client agent headers of the alternative browsers. That will force them to use 
IE.
 
HTH,
 
Tom
www.isaserver.org/shinder
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
 

________________________________________
From: Ara [mailto:ara@xxxxxxxxxxxxx]
Sent: Thursday, March 17, 2005 9:52 AM
To: [ISAserver.org Discussion List]
Subject: RE: ISAserver.org - Review of SurfControl Web Filter 5.0 for ISA 
Server 2004 Ok I have one suggestion.
 Most clients use http and https, so if I make in DHCP settings that they only 
get ip address, subnet masks and 2 DNS servers without default gateway, they 
can't go to web without setting their connection on browser and that makes them 
go to cache and get filtered?
Any comments on this?

________________________________________
From: Ball, Dan [mailto:DBall@xxxxxxxxxxx]
Sent: Thu 3/17/2005 7:18 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISAserver.org - Review of SurfControl Web Filter 5.0 for 
ISA Server 2004 http://www.ISAserver.org That is pretty much what we've been 
talking about, and how it couldn't be done, so now I'm confused.  I remember 
doing that in ISA2000, but where is this setting in ISA2004?  
 
________________________________________
From: David Farinic [mailto:davidf@xxxxxxx]
Sent: Thursday, March 17, 2005 09:30
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISAserver.org - Review of SurfControl Web Filter 5.0 for 
ISA Server 2004
 
http://www.ISAserver.org
>Since the ISA server is the Default Gateway, it will probably then prompt them 
>for authentication, which they will enter, and then be given access.  And, 
>since they didn't enter any proxy settings, they will be >completely 
>unfiltered.
Maybe I am missing something here but why in this case they are not redirected 
to proxy filters by ISA http redirector? IMHO they should be always filtered by 
ISAPI filters unless u turn off somehow http redirector.
 
Regards DavidF
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