[isapros] Re: Fw: Re: Web Filter with HTTPS

  • From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
  • To: <isapros@xxxxxxxxxxxxx>
  • Date: Wed, 20 Jun 2007 18:00:02 -0700

Not the one in Australia?
:-p

-----Original Message-----
From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx]
On Behalf Of Thor (Hammer of God)
Sent: Wednesday, June 20, 2007 5:58 PM
To: isapros@xxxxxxxxxxxxx
Subject: [isapros] Re: Fw: Re: Web Filter with HTTPS

You can *already* TS into the machine... It's the one in Bermuda ;)

t

----- Original Message ----- 
From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
To: <isapros@xxxxxxxxxxxxx>
Sent: Wednesday, June 20, 2007 5:52 PM
Subject: [isapros] Re: Fw: Re: Web Filter with HTTPS


> No.
> Yes.
> Maybe.
> 
> The HTTPS protocol handles traffic destined for "port 443".  This
> protocol definition is applied to SecureNET and FWC traffic *only*.
> CERN proxy client requests are handled by the Web Proxy Filter, which
> natively understands HTTP and FTP as well as how to handle SSL tunnels
> for HTTP.  It *does not* use the protocol HTTP/HTTPS definitions.
> If you bind the Web Proxy Filter to a non-cleartext HTTP protocol or
any
> non-HTTP protocol, the Web Proxy filter will poop loudly in your
> Cheerios.
> 
> As far as your inability to "configure HTTP" in your web publisihing
> rules, I'd still like a TS to your machine. - something is very much
> amiss.
> 
> -----Original Message-----
> From: isapros-bounce@xxxxxxxxxxxxx
[mailto:isapros-bounce@xxxxxxxxxxxxx]
> On Behalf Of Thor (Hammer of God)
> Sent: Wednesday, June 20, 2007 5:46 PM
> To: isapros@xxxxxxxxxxxxx
> Subject: [isapros] Re: Fw: Re: Web Filter with HTTPS
> 
> Bottom line on this - tell me:
> 
> If you have "Web Filter" bound to HTTPS, can you make outbound HTTPS
> connections?
> 
> That's really the whole question.  On the network we're seeing this
on,
> you cannot make outbound HTTPS connections if "Web Filter" is bound to
> HTTPS.  Let's start off in a simple manner, and see if that point is
> true or not in your config please...
> 
> t
> 
> ----- Original Message ----- 
> From: Thomas W Shinder <mailto:tshinder@xxxxxxxxxxx>  
> To: isapros@xxxxxxxxxxxxx 
> Sent: Wednesday, June 20, 2007 5:41 PM
> Subject: [isapros] Re: Fw: Re: Web Filter with HTTPS
> 
> That should say:
> 
> "When you unbind the Web Proxy Filter from the HTTP
> protocol......."
> 
> whopps.
> 
> Thomas W Shinder, M.D.
> Site: www.isaserver.org
> Blog: http://blogs.isaserver.org/shinder/
> Book: http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7> 
> MVP -- Microsoft Firewalls (ISA)
> 
> 
> 
> 
> ________________________________
> 
> From: isapros-bounce@xxxxxxxxxxxxx
> [mailto:isapros-bounce@xxxxxxxxxxxxx] On Behalf Of Thomas W Shinder
> Sent: Wednesday, June 20, 2007 7:37 PM
> To: isapros@xxxxxxxxxxxxx
> Subject: [isapros] Re: Fw: Re: Web Filter with HTTPS
> 
> 
> No, you need to configure the HTTP Security Filter, and
> in order to configured the HTTP Security Filter, the Web Proxy Filter
> must be enabled.
> 
> Its always enabled for Web listeners
> 
> It can unbound from the HTTP protocol, in which case the
> configuration interface for the HTTP Security Filter disappears, but
you
> configuration changes remain intact.
> 
> When you unbind the Web proxy filter from the HTTPS
> protocol, no Web caching or filtering is done for Firewall clients or
> SecureNAT clients.
> 
> Web proxy clients are always exposed to the Web proxy
> filter, even if you unbind it from the HTTP protocol.
> 
> How's that?
> 
> Thomas W Shinder, M.D.
> Site: www.isaserver.org <http://www.isaserver.org/> 
> Blog: http://blogs.isaserver.org/shinder/
> Book: http://tinyurl.com/3xqb7
> <http://tinyurl.com/3xqb7> 
> MVP -- Microsoft Firewalls (ISA)
> 
> 
> 
> 
> ________________________________
> 
> From: isapros-bounce@xxxxxxxxxxxxx
> [mailto:isapros-bounce@xxxxxxxxxxxxx] On Behalf Of Gerald G. Young
> Sent: Wednesday, June 20, 2007 5:06 PM
> To: isapros@xxxxxxxxxxxxx
> Subject: [isapros] Re: Fw: Re: Web Filter with
> HTTPS
> 
> 
> 
> If you're just publishing OWA and an RPC proxy
> over HTTPS, isn't any filter configuration automatically handled by
ISA
> when running the Publish Mail Server wizard?  As I understood it, ISA
> knows that stuff inherently; no configuration necessary.
> 
> Cordially yours,
> Jerry G. Young II  ++ Sent from BlackBerry ++
> Application Engineer
> Platform Engineering and Architecture
> NTT America, an NTT Communications Company
> 
> 22451 Shaw Rd.
> Sterling, VA 20166
> 
> Office: 571-434-1319
> Fax: 703-333-6749
> Email: g.young@xxxxxxxx
> 
> 
> -----Original Message-----
> From: isapros-bounce@xxxxxxxxxxxxx
> <isapros-bounce@xxxxxxxxxxxxx>
> To: isapros@xxxxxxxxxxxxx
> <isapros@xxxxxxxxxxxxx>
> Sent: Wed Jun 20 17:52:18 2007
> Subject: [isapros] Re: Fw: Re: Web Filter with
> HTTPS
> 
> We're all pendants here ;)
> 
> Here is my specific question then:
> 
> I want to publish HTTPS ie OWA for RPC and
> HTTPS.  I obviously need to
> configure the HTTP Filter properties.  If I have
> the Web Filter bound to
> HTTPS (iow, selected in the available filters
> under the protocl config) then
> ALL outbound HTTPS traffic breaks.  Therefore,
> one has to un-bind the Web
> Filter from HTTPS for outbound to work (on this
> install).
> 
> Ergo, since the Web Filter is not bound to the
> HTTPS protocol (in order for
> outbound to work), there is no way to select
> "Configure HTTP" from the
> properties of the web publishing rule.
> 
> FromwhenthouNowThinketh, WTF is the deal on what
> properties of the filter
> are applied?  See what I mean??
> 
> t
> 
> ----- Original Message -----
> From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
> To: <isapros@xxxxxxxxxxxxx>
> Sent: Wednesday, June 20, 2007 2:31 PM
> Subject: [isapros] Re: Fw: Re: Web Filter with
> HTTPS
> 
> 
> > Not to be pedantic, but the published traffic
> being handled by the web
> > proxy isn't "HTTPS", it's "HTTP inside SSL"
> and ISA handles each layer
> > separately.  By the time the web proxy is
> evaluating the HTTP traffic,
> > SSL is no longer a factor and it gets treated
> just like "plain old" HTTP
> > traffic.
> >
> > -----Original Message-----
> > From: isapros-bounce@xxxxxxxxxxxxx
> [mailto:isapros-bounce@xxxxxxxxxxxxx]
> > On Behalf Of Thor (Hammer of God)
> > Sent: Wednesday, June 20, 2007 2:26 PM
> > To: isapros@xxxxxxxxxxxxx
> > Subject: [isapros] Re: Fw: Re: Web Filter with
> HTTPS
> >
> > Then how do you configure the HTTP filtering
> on web pub rules if the Web
> >
> > Filter is not bound to HTTPS?
> >
> > t
> > ----- Original Message -----
> > From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
> > To: <isapros@xxxxxxxxxxxxx>
> > Sent: Wednesday, June 20, 2007 2:24 PM
> > Subject: [isapros] Re: Fw: Re: Web Filter with
> HTTPS
> >
> >
> >> Sorta..
> >> if it's a web pub rule, then the web proxy is
> already involved and no
> >> "protocol binding" is required.
> >> If it's a server pub rule, then ISA is
> effectively blind to the
> > traffic
> >> anyway.
> >>
> >> -----Original Message-----
> >> From: isapros-bounce@xxxxxxxxxxxxx
> > [mailto:isapros-bounce@xxxxxxxxxxxxx]
> >> On Behalf Of Thor (Hammer of God)
> >> Sent: Wednesday, June 20, 2007 2:05 PM
> >> To: isapros@xxxxxxxxxxxxx
> >> Subject: [isapros] Fw: Re: Web Filter with
> HTTPS
> >>
> >> OK, so you are saying that if I unbind the
> Web Filter from HTTPS, and
> >> create
> >> a pub rule for HTTPS, then the filter will
> still be used for the Pub
> >> rule?
> >>
> >> t
> >>
> >>
> >> -----Original Message-----
> >> From: isapros-bounce@xxxxxxxxxxxxx
> > [mailto:isapros-bounce@xxxxxxxxxxxxx]
> >> On Behalf Of Jim Harrison
> >> Sent: Wednesday, June 20, 2007 5:43 PM
> >> To: isapros@xxxxxxxxxxxxx
> >> Subject: [isapros] Re: Web Filter with HTTPS
> >>
> >> The web filter is the part that expects to
> watch the HTTP traffic as
> > it
> >> flows through ISA.
> >> With the exception of web publishing, HTTPS
> traffic is effectively
> >> invisible to ISA and therefore any policies
> enacted via the web filter
> >> (think HTTP Filter, too) cannot be applied
> and ISA will default to
> > "when
> >> in doubt, trash it" mode.
> >>
> >> -----Original Message-----
> >> From: isapros-bounce@xxxxxxxxxxxxx
> > [mailto:isapros-bounce@xxxxxxxxxxxxx]
> >> On Behalf Of Thor (Hammer of God)
> >> Sent: Wednesday, June 20, 2007 1:15 PM
> >> To: isapros@xxxxxxxxxxxxx
> >> Subject: [isapros] Web Filter with HTTPS
> >>
> >> Just a sanity check here... why would all
> HTTPS traffic fail if the
> > Web
> >> Filter was bound to the HTTPS protocol?
> >>
> >> t
> >>
> >> All mail to and from this domain is
> GFI-scanned.
> >>
> >>
> >>
> >>
> >> All mail to and from this domain is
> GFI-scanned.
> >>
> >>
> >
> >
> >
> > All mail to and from this domain is
> GFI-scanned.
> >
> >
> 
> 
> 
> 
> 
> All mail to and from this domain is GFI-scanned.
> 
>


All mail to and from this domain is GFI-scanned.


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