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Blank pages

I have a problem with opening some pages. I noticed that the pages not opening have something to do with HTTPS, e.g. hotmail and gmail, and whever we have a page that requires new registration or sign in. Even on experts-echange.com, and when trying to finalize this question, I could complete it to the end. Hotmail/Gmail home page opens, but after trying to sign in, i get a blank page. This problem occured suddenly. These sites open normally on the isa server.

Our Setup:
I have ISA 2004, IIS, multiple servers (DCs, exchange). ISA is being used as firewall only, not as a web proxy (Clients don't specify a proxy address).

In the live connection log, I receive the error "0x80074e24 FWX_E_CONNECTION_KILLED" when trying to complete the sign in. Also I receive 0x8007420 FWX_E_GRACEFUL_SHUTDOWN.

In the event viewer and in ISA monitor, I get the follwing:
"Event ID: 14148. The Web Proxy filter failed to bind its socket to xxx.xxx.xxx.xxx (ISA IP address) port 8080. This may have been caused by another service that is already using the same port or by a network adapter that is not functional. To resolve this issue, restart the Microsoft Firewall service. The error code specified in the data area of the event properties indicates the cause of the failure."

I have restarted the ISA server mutiple times, but no success.
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1 Solution
bluesand4Author Commented:

I noticed that when clients have Vista, every thing works fine. Who has XP, he will have the problem
bluesand4Author Commented:
no one can help??
If you use your ISA as firewall you can disable the webproxy filter. That will clear the error in event log.
The connection killed error comes from Web filter that has some problems in interpreting this trafic.

Keith AlabasterCommented:
Because you have not used the web proxy service in ISA, ISA will only be looking at the lower layers of the traffic.
In addition, some of the return traffic may get blocked because the service is not being utilised.

You do not state what service pack of ISA2004 you use - I'll assime you have SP3 as that is the latest.

Open the gui, select monitoring - logging - click start query.

try a connection to a site that goives you trouble - what do you see in the log?
Do not make the connection from the ISA server itself - this will give spurious results as the proxy isn't being used - do it from a client machine.

Do the same from a Vista client - do you see anything different in the logs?

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