[isalist] Re: Mobile users

You didn't say exactly how these "mobile users" access the LAN when
they're "mobile".

Is there a VPN connection involved?

In general, it's best to let the browser (or any proxy-aware app such as
WinMedia Player) self-discover the local proxy (auto-discover).

In this case, if the app can't find a proxy, it drops to "direct"
operation.

If you enter all three, then IE will go from "auto-detect to config URL"
to "use this proxy", where it will ultimately fail to access any web
site.

 

From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Mayo, Bill
Sent: Wednesday, February 14, 2007 11:35 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Mobile users

 

I am trying to make some updates to our web proxy configuration in order
to prevent our staff from making changes.  The concern I have is how
this will effect our mobile staff who are sometimes connected to our
network and other times connected through some ISP (e.g. cellular modem
or wireless access point).  Today, our group policy is set to allow them
to clear the "use proxy server" checkbox, which they do when they are
not attached to our network.  Presently, the "automatically detect
settings" is turned off and the proxy server address is pre-populated
via group policy.

 

I am planning to adjust the policy to use DHCP/DNS/Wpad as is explained
quite nicely at
http://www.isaserver.org/tutorials/Load-Balancing-Web-Proxy-Clients-With
-ISA-Server-2004-Standard-Edition-Part2.html
<http://www.isaserver.org/tutorials/Load-Balancing-Web-Proxy-Clients-Wit
h-ISA-Server-2004-Standard-Edition-Part2.html>  (thanks, Tom!).  What I
am unclear on, though, is if I set the policy up to use "automatically
detect settings", enable automatic configuration, and enter the
auto-proxy URL, how will my mobile users be affected?  In the absence of
a DHCP/DNS record, will IE just happily go along with no proxy, or will
it cause it to break?  Should entering the auto-proxy URL be something
that is included or not for these particular users?

 

I have attempted to find this information online, but if I happen to
have missed something, I would gladly accept any pointers to any
articles that would clarify.  Otherwise, I appreciate any input that I
receive.

 

Bill Mayo

Pitt County MIS

 

 


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