RE: Direct Access Issues w/SurfControl

  • From: "Ball, Dan" <DBall@xxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 1 Dec 2005 10:14:34 -0500

Cool!  I'll have to spend more time reading that, but it looks like it
might clear some of the confusion I've had about the two settings that
seem to be causing me the most grief!

-----Original Message-----
From: Stefaan Pouseele [mailto:stefaan.pouseele@xxxxxxxxx] 
Sent: Thursday, December 01, 2005 10:08 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Direct Access Issues w/SurfControl

http://www.ISAserver.org

Hi Jim, 

That's what described in my article
http://www.isaserver.org/articles/ISA2004_ClientAutoConfig.html and
related
topic http://forums.isaserver.org/m_350016600/mpage_1/tm.htm. 

A fix for Windows XP SP2 is officialy released on November 11, 2005. The
related knowledge base article is KB906055 and should be available soon
on
the web. IE uses an obsolete DHCP API but this API has been fixed
(DHCPCSVC)
for Windows XP SP2 only. 

HTH, 
Stefaan

-----Original Message-----
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx] 
Sent: donderdag 1 december 2005 15:54
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Direct Access Issues w/SurfControl

http://www.ISAserver.org

Don't use DHCP wpad - it's crap.
We've found that WinInet (what IE uses) can take up to 10 seconds to
"digest" the DHCP data it gets.

Use only DNS or WINS (if you must).

-----Original Message-----
From: Ball, Dan [mailto:DBall@xxxxxxxxxxx]
Sent: Thursday, December 01, 2005 6:20 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Direct Access Issues w/SurfControl

http://www.ISAserver.org

I had to take those setting off again this morning, so I'm not sure what
the
heck is going on...  

When opening up IE, it would take 2-3 minutes for the "Detecting Proxy
Settings" in the status bar to go away, and then things would run
sluggish.
By un-checking the "Automatically detect settings" and "Use automatic
configuration script" in IE things sped up dramatically, so I took them
back
off the ISA server.


-----Original Message-----
From: Ball, Dan [mailto:DBall@xxxxxxxxxxx]
Sent: Wednesday, November 30, 2005 11:06 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Direct Access Issues w/SurfControl

http://www.ISAserver.org

I've been through those articles many-many times trying to work this
out,
and just went through them again.  My eyes must be getting old, although
I
read the last paragraph on the last page many times, I still missed it
until
this last re-reading...

Your clue in the e-mail helped though, I had the "Automatically detect
settings" and "Use automatic configuration script" turned off on the
"Firewall Client" tab from when we had the SurfControl proxy bypass
problem
several months ago.  With the solution you thought up, that might not be
an
issue anymore.  In any case, I'll leave them enabled and see if people
start
having troubles.

I don't see where it updated the setting in IE on the client, but I also
don't see it passing through the ISA server anymore, so it must be using
a
different method.

Thanks!

-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Wednesday, November 30, 2005 9:59 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Direct Access Issues w/SurfControl

http://www.ISAserver.org

Hi Dan,

Check the articles again. It'll show you how to configure the Direct
Access
list on the ISA firewall and how to configure the clients to use the
autoconfig script so that they can use the Direct Access list.

Also, make sure the Direct Access clients are configured with a DNS
server
that allows them to resolve the name of the site to the site's Internal
address.

HTH,
Tom

Thomas W Shinder, M.D.
Site: www.isaserver.org
Blog: http://spaces.msn.com/members/drisa/
Book: http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
**Who is John Galt?**

 

> -----Original Message-----
> From: Ball, Dan [mailto:DBall@xxxxxxxxxxx]
> Sent: Wednesday, November 30, 2005 8:54 AM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Direct Access Issues w/SurfControl
> 
> http://www.ISAserver.org
> 
> This Direct Access issue is rearing its ugly head again here.  
> 
> I'm running ISA2004, with the newest version of SurfControl.  Or at 
> least I "think" it's the newest version, as I cannot locate any newer 
> hotfixes for it...
> 
> I've tried and tried to not loop the local webserver through the ISA 
> server, but have been unable to figure out a way to do it.  Tom 
> mentioned a couple of weeks ago that SurfControl basically disables 
> the Direct Access abilities of the ISA server, so that explains that 
> part.
> 
> Normally, I wouldn't mind the traffic passing through the ISA server, 
> as it has a 1Gbps network connect.  But, the problem I'm running into 
> is that whenever we get a really heavy web traffic period, accessing 
> our local webserver is pathetically slow, i.e. it'll take over a 
> minute to display the first page.  It probably has to do with 800+ 
> people all clicking like mad at the same time...
> 
> When I disable the Proxy settings in IE, I can browse our local 
> webserver at full-speed, but cannot access the Internet.  If I go into

> the IE->Tools->Internet Options->LAN Settings->Advanced menu and add 
> "*.mapsnet.org" as addresses to bypass proxy, this also works.
> 
> However, all the proxy settings are coming from the ISA server, so any

> entries into that area are overwritten whenever the FWC refreshes its 
> info.  I cannot push these settings out via GPO either, because the 
> FWC would override them.
> 
> Is there a way to get these settings pushed out from the ISA server?
> 
> 

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