RE: Continued issues with particular site

  • From: "Thor \(Hammer of God\)" <thor@xxxxxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Tue, 17 Jan 2006 20:03:13 -0800

Heh- I found them now that I know what to look for. You should get that Google appliance to index your content so that searches are better. ;)

t

-----
"I'll see your Llama and up you a Badger."
John T



----- Original Message ----- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Tuesday, January 17, 2006 7:32 PM
Subject: [isalist] RE: Continued issues with particular site



http://www.ISAserver.org

Hi Tim,

You bet! The Microsoft FM doesn't have that info -- only my FMs :)

I'm way ahead of you in the papers shoved in the suggestion box, but
it'll be fantastic to get your submissions in there too. There's power
and occasionally safety in numbers :)

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: Thor (Hammer of God) [mailto:thor@xxxxxxxxxxxxxxx]
Sent: Tuesday, January 17, 2006 9:22 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Continued issues with particular site

http://www.ISAserver.org

RTFM?  I did!  Nowhere in there does it say "If you unbind
the Web Proxy
Filter from HTTP, the Configure HTTP interface dissapears.
However, the
HTTP Filter is still in place."  That's just not in there.
But I guess
I'll trust you.

And thank you.  I'll also look for the KB.  I'll also make
sure that I
submit some suggestions for ISA 2006, which I was invited to Beta for.

t

-----
"I'll see your Llama and up you a Badger."
John T



----- Original Message ----- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Tuesday, January 17, 2006 5:40 PM
Subject: [isalist] RE: Continued issues with particular site



http://www.ISAserver.org

OK you,

Anybody else, and I'd tell 'em to RTFM, but one day I may come to you
and ask a favor.

When you unbind the Web proxy filter from the HTTP protocol,
it has the
untoward effect that you observed -- the HTTP security configuration
interface disappears. HOWEVER, that does NOT mean that its
not working.
All the settings you have created so far are still in effect for Web
proxy clients.

However, machines that aren't explicitly configured as Web proxy
clients, will not be exposed to the Web proxy filter or the Web proxy
filter extension that is the HTTP security filter. When the Web proxy
filter is enabled, it automaticaly forwards the SecureNAT and Firewall
client connections to the Web proxy filter, so that even though they
aren't explicitly configured as Web proxy clients, they can still
benefit from the security and performance enhancments you get from the
Web proxy filter and its extensions.

If you want to make changes to the HTTP security filter, go
to the HTTP
protocol and rebind the filter. You don't need to apply the changes to
the firewall policy. Then right click any rule that includes the HTTP
protocol and you'll see the Configure HTTP option again. Then make the
changes you want to the filter settings, then go back and
unbind the Web
proxy filter from the HTTP protocol. Apply the changes to the firewall
policy and you're good.

There's another way to do this, but this is my way. :)  There's a KB
article on an alternate approach if you want to take the highway.

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: Thor (Hammer of God) [mailto:thor@xxxxxxxxxxxxxxx]
> Sent: Tuesday, January 17, 2006 5:19 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: Continued issues with particular site
>
> http://www.ISAserver.org
>
> Unbinding the Web Proxy Filter from HTTP worked. However, I
> can no longer
> "Configure HTTP" anywhere, on any rule. I tried what Steve
> suggested, which
> is to create an allow rule for the site, but you can't unbind
> Web Proxy
> Filter from an individual rule - ( thanks for nuttin,
> Moffat!!! ;) all you
> can do is "Configure HTTP." Hell, I even tried a custom HTTP
> Protocol
> Definition (with no filtering at all) and it still doesn't work.
>
> While I could still access the web via clients specifically
> set to use a
> proxy, why would my HTTP filter configuration options go away
> because I
> unbound the Web Proxy Filter?
>
> Is there no other way to do this????
>
> t
>
> -----
> "I'll see your Llama and up you a Badger."
> John T
>
>
>
> ----- Original Message ----- > From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> Sent: Tuesday, January 17, 2006 2:07 PM
> Subject: [isalist] RE: Continued issues with particular site
>
>
> http://www.ISAserver.org
>
> The FWC will stuff use the Web proxy filter if the Web
proxy filter is
> still bound to the HTTP protocol. There are a number of
> workarounds, but
> the one I use because it's the easiest :) is to just unbind the Web
> proxy filter from the HTTP protocol and then configure the sites for
> Direct Access.
>
> This enables me to continue to benefit from the Web proxy
> filter and its
> HTTP security filter for Web proxy client connections
> (machines that are
> explicitly configured as Web proxy clients) and bypass the Web proxy
> filter for all SecureNAT (SecureNET) and FWC connections.
>
> 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: Thor (Hammer of God) [mailto:thor@xxxxxxxxxxxxxxx]
> > Sent: Tuesday, January 17, 2006 3:59 PM
> > To: [ISAserver.org Discussion List]
> > Subject: [isalist] RE: Continued issues with particular site
> >
> > http://www.ISAserver.org
> >
> > That what I was saying to myself... the "Via" tells all. But
> > check it--
> > I've got both the IP and the *.domain.com in the direct
> > access tab for the
> > source (listening) network config, I've got the firewall
> > client loaded and
> > refreshed, I've unchecked "use proxy" on the firewall client
> > config for the
> > network config, I've made sure the client is not set to use a
> > proxy in IE.
> >
> > Yet, the capture stills says "Via."
> >
> > WTF now?
> >
> > t
> >
> > -----
> > "I'll see your Llama and up you a Badger."
> > John T
> >
> >
> >
> > ----- Original Message ----- > > From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
> > To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> > Sent: Tuesday, January 17, 2006 1:44 PM
> > Subject: [isalist] RE: Continued issues with particular site
> >
> >
> > http://www.ISAserver.org
> >
> > That's NOT a DIRECT ACCESS connection!
> >
> > 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: Thor (Hammer of God) [mailto:thor@xxxxxxxxxxxxxxx]
> > > Sent: Tuesday, January 17, 2006 3:41 PM
> > > To: [ISAserver.org Discussion List]
> > > Subject: [isalist] RE: Continued issues with particular site
> > >
> > > <p align=\"left\"><b><font face=\"Arial\" size=\"2\">GFI
> > > MailSecurity's HTML threat engine found HTML scripts in this
> > > email and has disabled
> them.</font></b></p>http://www.ISAserver.org
> > >
> > > So, I've basically honed it down to this. Here is what we
> > get on the
> > > external interface after the client issues the POST for the
> > > tracking number:
> > >
> > > HTTP/1.1.100.Continue..Server:.Microsoft-IIS/5.0..Date:.Tue,.1
> > > 7.Jan.2006.21:03:46.GMT....
> > > -then-
> > > HTTP/1.1.200.OK..Server:.Microsoft-IIS/5.0..Date:.Tue,.17.Jan.
> > 2006.21:03:46.GMT..Connection:.close..Content->
> > Type:.text/html..............<HTML>......<HEAD>..........<META
> > > .http-equiv="Expires".content="0">..........<META.http-equiv="
> > > Pragma".content="no-cache">..........<META.http-equiv="Cache-C
> > > ontrol".content="no-cache">.........<LINK.type="text/css".href
> > > ="include/master.css"
> > > .rel="stylesheet">..........<SCRIPT.type="text/javascript".src="
> > > include/form_validation.js"></XCRIPT>..........<SCRIPT.type="tex
> > > t/javascript".src="include/multi_onload.js"></XCRIPT>..........<
> > > TITLE>IPT,.LLC.</TITLE>......</HEAD>......<BODY.leftmargin="0".m
> > > arginheight="0".marginwidth="0".topmargin="0">..............<TAB
> > > LE.width="100%".border="0".cellspacing="0".cellpadding="0">...
> > > ...........<TR>
> > >
> > > -- with the rest of the page following.
> > >
> > > But on the internal interface, this is what goes to the client:
> > >
> > > HTTP/1.1.100.Continue..Via:.1.1.ISA-VPN..Date:.Tue,.17.Jan.200
> > > 6.21:25:31.GMT..Server:.Microsoft-IIS/5.0...
> > > .
> > > HTTP/1.1.200.OK..Via:.1.1.ISA-VPN..Connection:.close..Proxy-Co
> > nnection:.close..Date:.Tue,.17.Jan.2006.21:25:31.GMT..Content-
> > Type:.text
> > /html..Server:.Microsoft-> IIS/5.0....
> > >
> > >
> > > And that's it. It dies.
> > >
> > >
> > > WTF? Anyone? Beuller? Anyone?
> > >
> > > t
> > >
> > > -----
> > > "I'll see your Llama and up you a Badger."
> > > John T
> > >
> > >
> > >
> > > ----- Original Message ----- > > > From: "Thor (Hammer of God)" <thor@xxxxxxxxxxxxxxx>
> > > To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> > > Sent: Tuesday, January 17, 2006 12:09 PM
> > > Subject: [isalist] RE: Continued issues with particular site
> > >
> > >
> > > > http://www.ISAserver.org
> > > >
> > > > That's my next step. I've compared captures from
> > > direct/ISA (which was a
> > > > waste of time) but now I'll have to see what I get in front
> > > and behind
> > > > ISA. Working on it now.
> > > >
> > > > t
> > > >
> > > > -----
> > > > "I'll see your Llama and up you a Badger."
> > > > John T
> > > >
> > > >
> > > >
> > > > ----- Original Message ----- > > > > From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
> > > > To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> > > > Sent: Tuesday, January 17, 2006 9:41 AM
> > > > Subject: [isalist] RE: Continued issues with particular site
> > > >
> > > >
> > > > http://www.ISAserver.org
> > > >
> > > > Got captures?
> > > > We can determine a *lot* from a two-sided capture...
> > > >
> > > > -------------------------------------------------------
> > > > Jim Harrison
> > > > MCP(NT4, W2K), A+, Network+, PCG
> > > > http://isaserver.org/Jim_Harrison/
> > > > http://isatools.org
> > > > Read the help / books / articles!
> > > > -------------------------------------------------------
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: Thor (Hammer of God) [mailto:thor@xxxxxxxxxxxxxxx]
> > > > Sent: Tuesday, January 17, 2006 09:06
> > > > To: [ISAserver.org Discussion List]
> > > > Subject: [isalist] Continued issues with particular site
> > > >
> > > > http://www.ISAserver.org
> > > >
> > > > I've still not been able to solve the problem with this one
> > > particular
> > > > page on a site we must use to track service calls. My
> > > users can log on to
> > > > the site fine, and access parts of the site, but when we
> > go to this
> > > > particular page to track issues by number, it comes up with
> > > a blank page.
> > > >
> > > > "View Source" shows the right tags, <HTML> through </HTML>,
> > > but there is
> > > > no content. Accessing outside of ISA works fine. I've
> > > tried FW Client,
> > > > Proxy Client, changing authentication on both the rule and
> > > the network
> > > > proxy listener, entering "Direct Access," etc, removing the
> > > HTTP filter,
> > > > etc and nothing works.
> > > >
> > > > The logs show the site being accessed properly, though the
> > > page is blank.
> > > >
> > > > Where to turn? Is it PSS time?
> > > >
> > > > t
> > > >
> > > >
> > > >
> > > >
> > > > -----
> > > > "I'll see your Llama and up you a Badger."
> > > > John T
> > > >
> > > >
> > > >
> > > >
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