[isalist] Re: Looking for pitfalls
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
- To: <isalist@xxxxxxxxxxxxx>
- Date: Wed, 10 Oct 2007 11:28:39 -0500
OK, so there are two different domains, each on a different ISA Firewall
Network. Therefore, that brings Jim's concerns into play if you want to
create a trust between these networks.
So, if you want strong outbound access control with user/group outbound
authentication, you'll only have it for one of the domains, and the ISA
Firewall will be joined to that domain.
If you want strong authenticated outbound access control for only
HTTP/HTTPS/FTP(over Web proxy), then you can use RADIUS Proxy and RADIUS
servers. Have fun with that ;) (undocumented, but theoretically it
should work)
If your publishing OWA sites for both domain, that's totally no brainer
easy with LDAP authentication.
The ISA Firewall doesn't pre-auth RDP, so it doesn't matter.
For VPN, you get to learn about RADIUS and RADIUS Proxy and how to make
it work with the ISA firewall (undocumented, but theoretically should
work)
HTH,
Tom
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: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of JB
Sent: Wednesday, October 10, 2007 11:14 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Looking for pitfalls
The Domains are separate and do not need to talk to each other.
No cross traffic between domains is necessary.
Original question:
Scenario:
Both domains are Windows 2003.
Both domains have Exchange servers publishing OWA etc...
Both domains have users requiring RDP and VPN access
All users except admins are not allowed into opposing network
On Oct 10, 2007, at 8:58 AM, Thor (Hammer of God) wrote:
http://www.ISAserver.org
-------------------------------------------------------
Wait- you mean if the ISA is not a member of any domain,
that you can
create LDAP Authentication Server sets to authenticate
to a "foreign"
domain? Doesn't that mean credentials will be passed in
the clear in
that case??
And we're not talking about cross-domain traffic
"crossing ISA
boundaries" - this is just two different domains behind
ISA.
t
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [
mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Jim Harrison
Sent: Wednesday, October 10, 2007 8:40 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Looking for pitfalls
http://www.ISAserver.org
-------------------------------------------------------
That's not true either; ISA can use LDAP to authenticate
foreign domain
accounts without being a member of either - that's
exactly why we added
LDAP auth.
It's the cross-ISA domain traffic that makes it nearly
impossible.
IOW, if there exists any form of cross-domain trusted
traffic that
crosses ISA boundaries, you will have problems.
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [
mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Thor (Hammer of God)
Sent: Wednesday, October 10, 2007 8:30 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Looking for pitfalls
http://www.ISAserver.org
-------------------------------------------------------
Not at all... it is only an "issue" if you need AD-based
authentication
for both domains. If so, then you'll just need to create
a trust (one
way will work just fine). What "cross-trust issues" are
you referring
to?
t
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [
mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of JB
Sent: Wednesday, October 10, 2007 8:07 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Looking for pitfalls
http://www.ISAserver.org
-------------------------------------------------------
So.... All would agree that having two domains behind
ISA 2006
creates enough complexity (for one who does not enjoy
cross-trust
relationship between domains issues) for it to be
impractical?
JB
On Oct 8, 2007, at 8:53 AM, Jim Harrison wrote:
http://www.ISAserver.org
-------------------------------------------------------
Actually, it's both.
Domain traffic across ISA is a great reason to
increase your
illicit substance use.
Have a peek at the RPC-oriented fixes in ISA;
nearly all of them
have been driven by domain scenarios; some
because of RPC protocol
changes in the OS.
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [
mailto:isalist-
bounce@xxxxxxxxxxxxx] On Behalf Of Thor (Hammer
of God)
Sent: Monday, October 08, 2007 8:33 AM
To: isalist@xxxxxxxxxxxxx; isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Looking for pitfalls
That's what I was going to say ;)
It's not "multiple domains behind ISA," it's the
way you want trust
to work within those "multiple domains behind
ISA."
If you don't have some sort of cross-trust
relationship between the
domains, only users within the domain that the
ISA server is a
member of can use rules that require user
authentication (including
certificates).
t
________________________________
From: isalist-bounce@xxxxxxxxxxxxx on behalf of
Jim Harrison
Sent: Fri 10/5/2007 12:49 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Looking for pitfalls
http://www.ISAserver.org <
http://www.isaserver.org/>
-------------------------------------------------------
the question of cross-ISA domain / forest
traffic is gonna make you
drink (more).
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [
mailto:isalist-
bounce@xxxxxxxxxxxxx] On Behalf Of Thomas W
Shinder
Sent: Friday, October 05, 2007 11:50 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Looking for pitfalls
http://www.ISAserver.org <
http://www.isaserver.org/>
-------------------------------------------------------
Ha! I'll brew a pot on your behalf and I already
have the skittles
in my
desk drawer :)
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [
mailto:isalist-
bounce@xxxxxxxxxxxxx]
On Behalf Of JB
Sent: Friday, October 05, 2007 1:37 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Looking for pitfalls
http://www.ISAserver.org <
http://www.isaserver.org/>
-------------------------------------------------------
Brilliant!!!
How do I send you a pot of coffee and bag of
skittles? ;-)
On Oct 5, 2007, at 11:28 AM, Thomas W Shinder
wrote:
http://www.ISAserver.org <
http://www.isaserver.org/>
-------------------------------------------------------
Sounds like an excellent scenario for an
article! I'll pound it out
this
weekend.
Thanks!
Tom
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [
mailto:isalist-
bounce@xxxxxxxxxxxxx]
On Behalf Of JB
Sent: Friday, October 05, 2007 12:12 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Looking for pitfalls
I would like to indulge the minds of ISA
List on the pitfalls of
having
two separate networks/domains behind one
ISA 2006 firewall.
The main question: How does
authentication in ISA 2006 work with two
domains?
Any thoughts would be greatly
appreciated - I should probably
rephrase
this ;-)
Scenario:
Both domains are Windows 2003.
Both domains have Exchange servers
publishing OWA etc...
Both domains have users requiring RDP
and VPN access All users except
admins are not allowed into opposing
network
------------------------------------------------------
List Archives:
//www.freelists.org/archives/isalist/
ISA Server Newsletter:
http://www.isaserver.org/pages/newsletter.asp
ISA Server Articles and Tutorials:
http://www.isaserver.org/
articles_tutorials/
ISA Server Blogs:
http://blogs.isaserver.org/
------------------------------------------------------
Visit TechGenix.com for more information
about our other sites:
http://www.techgenix.com <
http://www.techgenix.com/>
------------------------------------------------------
To unsubscribe visit
http://www.isaserver.org/pages/isalist.asp
Report abuse to listadmin@xxxxxxxxxxxxx
------------------------------------------------------
List Archives:
//www.freelists.org/archives/isalist/
ISA Server Newsletter:
http://www.isaserver.org/pages/newsletter.asp
ISA Server Articles and Tutorials:
http://www.isaserver.org/articles_tutorials/
ISA Server Blogs: http://blogs.isaserver.org/
------------------------------------------------------
Visit TechGenix.com for more information about
our other sites:
http://www.techgenix.com <
http://www.techgenix.com/>
------------------------------------------------------
To unsubscribe visit
http://www.isaserver.org/pages/isalist.asp
Report abuse to listadmin@xxxxxxxxxxxxx
------------------------------------------------------
List Archives:
//www.freelists.org/archives/isalist/
ISA Server Newsletter:
http://www.isaserver.org/pages/newsletter.asp
ISA Server Articles and Tutorials:
http://www.isaserver.org/
articles_tutorials/
ISA Server Blogs: http://blogs.isaserver.org/
------------------------------------------------------
Visit TechGenix.com for more information about
our other sites:
http://www.techgenix.com <
http://www.techgenix.com/>
------------------------------------------------------
To unsubscribe visit
http://www.isaserver.org/pages/isalist.asp
Report abuse to listadmin@xxxxxxxxxxxxx
------------------------------------------------------
List Archives:
//www.freelists.org/archives/isalist/
ISA Server Newsletter:
http://www.isaserver.org/pages/newsletter.asp
ISA Server Articles and Tutorials:
http://www.isaserver.org/
articles_tutorials/
ISA Server Blogs: http://blogs.isaserver.org/
------------------------------------------------------
Visit TechGenix.com for more information about
our other sites:
http://www.techgenix.com <
http://www.techgenix.com/>
------------------------------------------------------
To unsubscribe visit
http://www.isaserver.org/pages/isalist.asp
Report abuse to listadmin@xxxxxxxxxxxxx
------------------------------------------------------
List Archives:
//www.freelists.org/archives/isalist/
ISA Server Newsletter:
http://www.isaserver.org/pages/newsletter.asp
ISA Server Articles and Tutorials:
http://www.isaserver.org/
articles_tutorials/
ISA Server Blogs: http://blogs.isaserver.org/
------------------------------------------------------
Visit TechGenix.com for more information about
our other sites:
http://www.techgenix.com
------------------------------------------------------
To unsubscribe visit
http://www.isaserver.org/pages/isalist.asp
Report abuse to listadmin@xxxxxxxxxxxxx
------------------------------------------------------
List Archives:
//www.freelists.org/archives/isalist/
ISA Server Newsletter:
http://www.isaserver.org/pages/newsletter.asp
ISA Server Articles and Tutorials:
http://www.isaserver.org/articles_tutorials/
ISA Server Blogs: http://blogs.isaserver.org/
------------------------------------------------------
Visit TechGenix.com for more information about our other
sites:
http://www.techgenix.com
------------------------------------------------------
To unsubscribe visit
http://www.isaserver.org/pages/isalist.asp
Report abuse to listadmin@xxxxxxxxxxxxx
------------------------------------------------------
List Archives:
//www.freelists.org/archives/isalist/
ISA Server Newsletter:
http://www.isaserver.org/pages/newsletter.asp
ISA Server Articles and Tutorials:
http://www.isaserver.org/articles_tutorials/
ISA Server Blogs: http://blogs.isaserver.org/
------------------------------------------------------
Visit TechGenix.com for more information about our other
sites:
http://www.techgenix.com
------------------------------------------------------
To unsubscribe visit
http://www.isaserver.org/pages/isalist.asp
Report abuse to listadmin@xxxxxxxxxxxxx
------------------------------------------------------
List Archives:
//www.freelists.org/archives/isalist/
ISA Server Newsletter:
http://www.isaserver.org/pages/newsletter.asp
ISA Server Articles and Tutorials:
http://www.isaserver.org/articles_tutorials/
ISA Server Blogs: http://blogs.isaserver.org/
------------------------------------------------------
Visit TechGenix.com for more information about our other
sites:
http://www.techgenix.com
------------------------------------------------------
To unsubscribe visit
http://www.isaserver.org/pages/isalist.asp
Report abuse to listadmin@xxxxxxxxxxxxx
------------------------------------------------------
List Archives:
//www.freelists.org/archives/isalist/
ISA Server Newsletter:
http://www.isaserver.org/pages/newsletter.asp
ISA Server Articles and Tutorials:
http://www.isaserver.org/articles_tutorials/
ISA Server Blogs: http://blogs.isaserver.org/
------------------------------------------------------
Visit TechGenix.com for more information about our other
sites:
http://www.techgenix.com
------------------------------------------------------
To unsubscribe visit
http://www.isaserver.org/pages/isalist.asp
Report abuse to listadmin@xxxxxxxxxxxxx
Other related posts:
