RE: FW Client (ISA2004)
- From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Sat, 1 Jan 2005 22:31:29 -0800
Now we need your ISAInfo.
http://isatools.org/isainfo/isainfo.zip.
Follow the instructions in the readme.
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/Jim_Harrison/
http://isatools.org
Read the help / books / articles!
-----Original Message-----
From: Ruba Al Omari, Eng. [mailto:romari@xxxxxxxxxxxxxxxxx]
Sent: Saturday, January 01, 2005 10:05 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: FW Client (ISA2004)
http://www.ISAserver.org
Do I open the browser at the server or the client? I opened it at both
and got the same results.
I followed the instructions exactly, the results are:
- The browser issues "The Page cannot be displayed" error for both links
http://wpad/wspad.dat and http://wpad/wspad.dat
So I couldn't find the files to answer the questions :(
Where do we go now?
Additional information:
When I try to browse to these links the logging shows me the traffic is
denied because of Allow_IT policy, I disabled the policy and tried
again, the logging says the traffic is denied because of the Blocked
Sites policy, I did the same, then it says traffic is denied because of
the default rule.
Auto discovery is listening on the default port 80, if I type
http://wpad:80/wpad.dat I still get the same results.
thanx
r.
-----Original Message-----
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx]
Sent: Saturday, January 01, 2005 7:36 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: FW Client (ISA2004)
http://www.ISAserver.org
Ok; now open we're going to use a browser to see what your wpad data
gets you...
Please follow the instructions exactly as written and respond to all
questions.
1. Open your browser (IE, Firefox, whatever)
2. In the address bar, type http://wpad/wpad.dat
If you're prompted to "open or save", choose "save" and stash it on
your desktop as "wpad.js".
If not, your automatic discovery listener isn't listening
4. In the address bar, type http://wpad/wspad.dat
If you're prompted to "open or save", choose "save" and stash it on
your desktop as "wspad.txt".
If not, your automatic discovery listener isn't listening
..now let's use the data in those files...
Use your favorite text editor (Notepad or equivalent; NOT Word or
WordPerfect, etc.) to open these files
- WPAD.JS - this file is used by browsers and the FW client, so we MUST
start here:
1. Look for "function MakeProxies()". You'll see one or more entries
listed as:
"new Node( -hostname-,#,#.###### );"
Q1 - what is the name found in "-hostname-"?
Q2 - what is the result of ping -thatnameexactlyasseen-?
- WSPAD.TXT - this file is used only by the FW client:
Q1 - what is the name found as "WWW-Proxy=" under "[Common]"?
Q2 - what is the result of "ping -thatnameexactlyasseen-"?
Q3 - what is the name found as "Name=" under [Servers Ip Addresses]?
Q4 - what is the result of "ping -thatnameexactlyasseen-"?
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/Jim_Harrison/
http://isatools.org
Read the help / books / articles!
-----Original Message-----
From: Ruba Al Omari, Eng. [mailto:romari@xxxxxxxxxxxxxxxxx]
Sent: Friday, December 31, 2004 9:41 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: FW Client (ISA2004)
http://www.ISAserver.org
The client can ping wpad.
C:\>ping wpad
Pinging 8000-srv.dac.edu [10.92.60.20] with 32 bytes of data:
Reply from 10.92.60.20: bytes=32 time<1ms TTL=126
Reply from 10.92.60.20: bytes=32 time<1ms TTL=126
Reply from 10.92.60.20: bytes=32 time<1ms TTL=126
Reply from 10.92.60.20: bytes=32 time<1ms TTL=126
?
Thanx
r.
-----Original Message-----
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx]
Sent: Wednesday, December 29, 2004 7:31 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: FW Client (ISA2004)
http://www.ISAserver.org
The good news is that it doesn't seem to be a problem between internal
and external names.
Forget using nslookup to troubleshoot client name resolution problems;
that's how DNS servers, not clients perform name lookups.
Use "ping wpad" and see what the result is.
If this fails, it's time for a network 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: Ruba Al Omari, Eng. [mailto:romari@xxxxxxxxxxxxxxxxx]
Sent: Wednesday, December 29, 2004 00:20
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: FW Client (ISA2004)
http://www.ISAserver.org
I have it cleared (the check box was cleared from before)
In the authentication method it is Integrated the one that is selected,
and the check box is cleared, but auto detection is not working.
?
Note: the Auto Discovery is enabled, the FW Client auto detection is
enabled and uses automatic configuration script.
Thanks
r.
-----Original Message-----
From: Jim Harrison [mailto:Jim@xxxxxxxxxxxx]
Sent: Tuesday, December 28, 2004 7:09 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: FW Client (ISA2004)
http://www.ISAserver.org
Make sure you have "Require all users to authenticate" unchecked in the
Internal network Web Proxy settings.
-------------------------------------------------------
Jim Harrison
MCP(NT4, W2K), A+, Network+, PCG
http://isaserver.org/Jim_Harrison/
http://isatools.org
Read the help / books / articles!
-------------------------------------------------------
-----Original Message-----
From: Ruba Al Omari, Eng. [mailto:romari@xxxxxxxxxxxxxxxxx]
Sent: Tuesday, December 28, 2004 00:27
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: FW Client (ISA2004)
http://www.ISAserver.org
Hi,
I added the PTR to the reverse lookup zone and the wpad is ok now, the
FW Client still can't auto detect the ISA.
C:\>nslookup wpad
Server: 6k-srv.dac.edu
Address: 10.92.60.10
Name: 8000-srv.dac.edu
Address: 10.92.60.20
Aliases: wpad.dac.edu
?
thanks
r.
-----Original Message-----
From: Ruba Al Omari, Eng.
Sent: Wednesday, December 22, 2004 9:29 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: FW Client (ISA2004)
http://www.ISAserver.org
Hi Mr. Tom,
It gives me this:
C:\>nslookup wpad
*** Can't find server name for address 10.92.60.10: Non-existent domain
*** Default servers are not available
Server: UnKnown
Address: 10.92.60.10
Name: 8000-srv.dac.edu
Address: 10.92.60.20
Aliases: wpad.dac.edu
10.92.60.10 is our internal DNS, 10.92.60.20 is the ISA internal NIC,
the client is on 10.80.60.0 subnet, we have no PTR in the reverse lookup
zone.
Thanx
r.
-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Tuesday, December 21, 2004 6:44 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: FW Client (ISA2004)
http://www.ISAserver.org
Hi Ruba,
When you do an nslookup for wpad what do you see? If should look
something like this (with different names, of course):
F:\>nslookup wpad
Server: marsoutpost.tacteam.net
Address: 192.168.1.34
Name: celestix-h5l4cs.tacteam.net
Address: 192.168.1.60
Aliases: wpad.tacteam.net
F:\>
Thanks!
Tom
www.isaserver.org/shinder <http://www.isaserver.org/shinder>
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7>
MVP -- ISA Firewalls
________________________________
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Monday, December 20, 2004 3:00 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: FW Client (ISA2004)
http://www.ISAserver.org
Hi Ruba,
Autodetection depends on wpad entries in DHCP and/or DNS. Check out the
book or www.isaserver.org for deep details.
HTH,
Tom
www.isaserver.org/shinder <http://www.isaserver.org/shinder>
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7>
MVP -- ISA Firewalls
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